UGC Computer

Computer Arithmetic MCQ-01

Mon, 30 Mar 2020 18:47:40 +0000

1) A shift register can be used for ?
a.┬á┬á ┬áSerial to parallel conversion
b.┬á┬á ┬áParallel to serial conversion
c.┬á┬á ┬áDigital delay line
d.┬á┬á ┬áAll of the above
e.┬á┬á ┬áNone of the above
Answer = D
Explanation:Shift registers can have both parallel and serial inputs. These are often configured as serial - in - parallel- out or parallel - in - serial - out.

2)┬á Semiconductor memory is-
a.┬á┬á ┬áSomewhat large than the magnetic core memory
b.┬á┬á ┬áA non-volatile memory
c.┬á┬á ┬áSomewhat slower than magnetic core memory
d.┬á┬á ┬áAll of above
e.┬á┬á ┬áNone of these
Answer = B
Explanation: Semiconductor memory is an electronic storage device often used as computer memory. Examples of semiconductor memory is: ROM, flash memory,┬á magnetoresistive random-access memory (MRAM)

3) Which of the following is a universal gate┬á ?
a.┬á┬á ┬áAND
b.┬á┬á ┬áEX-OR
c.┬á┬á ┬áOR
d.┬á┬á ┬áNAND

Answer = D

4) The logic 1 in positive logic system is represented by ?┬á ┬á
a.┬á┬á ┬áZero voltage
b.┬á┬á ┬áLower voltage level
c.┬á┬á ┬áHigher voltage level
d.┬á┬á ┬áNegative voltage
e.┬á┬á ┬áNone of the above
Answer = C
Explanation:The logic 1 is represented by higher voltage while 0 is represented as low voltage.

5) Which function -positive logic is equivalent to OR function in negative logic?
a.┬á┬á ┬áNOT
b.┬á┬á ┬áOR
c.┬á┬á ┬áAND
d.┬á┬á ┬áNOR
e.┬á┬á ┬áNone of the above
Answer = C
Explanation: AND function performs performs as OR in negative logic.

┬á6) Which of the following logic expressions is wrong ?
a.┬á┬á ┬á1+0=1
b.┬á┬á ┬á1+1=0
c.┬á┬á ┬á1+0+1=1
d.┬á┬á ┬á 1+1+1=1
e.┬á┬á ┬áNone of the above ┬á
Answer = C
Explanation: 1+0 = 1 again this result is added to 1 as 1+1 which is equal to 0 with carry 1 but not equal to 1.

7)┬á A Combination logic circuit that is used when it is desired to send data from two or more source through a single transmission line is known as-
a.┬á┬á ┬áDecoder
b.┬á┬á ┬áEncoder
c.┬á┬á ┬áMultiplexer
d.┬á┬á ┬áDe multiplexer
e.┬á┬á ┬áNone of the above
┬áAnswer = C

8)┬á The m-bit parallel adder consists of-
a.┬á┬á ┬á(m+1) full adders
b.┬á┬á ┬ám/2 full adders
c.┬á┬á ┬ám-1 full adders
d.┬á┬á ┬ám full adders
e.┬á┬á ┬áNone of the above
Answer = D
┬á
9)┬á A logic circuit which is used to change a BCD number into an equivalent decimal number is- ┬á
a.┬á┬á ┬áDecoder
b.┬á┬á ┬áEncoder
c.┬á┬á ┬áMultiplexer
d.┬á┬á ┬áCode converter
e.┬á┬á ┬áNone of the above ┬á
Answer = A
Explanation:Decoder is used to convert the BCD numbers into decimal.

10) Which of the following property is true in context of Well Formed Formula(WFF)┬á ?
a.┬á┬á ┬áEach letter is a term
b.┬á┬á ┬áIf x and y are terms then x = y is a formula
c.┬á┬á ┬áIf P is a formula then 7p is a formula
d.┬á┬á ┬áAll of above
Answer = B┬á ┬á

11) The term sum - of - product in Boolean algebra means ?
a.┬á┬á ┬áThe AND function of several OR functions
b.┬á┬á ┬áThe OR function of several AND functions
c.┬á┬á ┬áThe OR function of several OR function
d.┬á┬á ┬áThe AND function of several AND functions
┬á
Answer = B
Explanation: Sum-Of-Products expressions lend themselves well to implementation as a set of AND gates (products) feeding into a single OR gate (sum).

12) The fan out capability of a digital building block can be defined as ?
a.┬á┬á ┬áThe number of inputs that one output can transmit to
b.┬á┬á ┬áThe amount of cooling required for fanning the hear out
c.┬á┬á ┬áThe number of inputs that can transmit to one input
d.┬á┬á ┬áThe maximum power dissipation that the unit can stand
e.┬á┬á ┬áNone of above
Answer = A

13) The ALE line of an 8085 microprocessor is used to┬á ?
a.┬á┬á ┬áExecute an RST by hardware
b.┬á┬á ┬áExecutes the instruction supplied by external device through the INTA signal
c.┬á┬á ┬áExecutes an instruction from memory location 20 H
d.┬á┬á ┬áExecutes a NOP
Answer = A
Explanation:┬á┬á ALE is address latch enable. the lower order address remains only for a single T satate then ths data is latched and the lower order address bus stores the data.

14) The cost for storing a bit is minimum in ?
a.┬á┬á ┬áCache
b.┬á┬á ┬áRegister
c.┬á┬á ┬áRAM
d.┬á┬á ┬áMagnetic tape
Answer = D

15) The index register in a digital computer is used for┬á ?
a.┬á┬á ┬áPointing to the stack address
b.┬á┬á ┬áIndirect addressing
c.┬á┬á ┬áKeeping track of number of times a loop is executed
d.┬á┬á ┬áAddress modification
Answer = D
Explanation: An index register in a computer's CPU is a processor register used for modifying operand addresses during the run of a program, typically for doing vector/array operations.

16) After reset the CPU begins execution from the memory location ?
a.┬á┬á ┬á0000H
b.┬á┬á ┬á0001H
c.┬á┬á ┬áFFEFH
d.┬á┬á ┬á8000H
Answer = A

17) A single register to clear the lower four bits of the accumulator in 8085 assembly language is ?
a.┬á┬á ┬áXRI 0FH
b.┬á┬á ┬áANI FOH
c.┬á┬á ┬áXRI FOH
d.┬á┬á ┬áANI OFH

Answer = B
Explanation: ANI FOH ANDs the accumulator with immediate. F leaves the high nibble whatever it is, 0 clears the lower nibble

18) If the total number of states in the fetching and execution phases of an 8085 instruction is known to be 7; the number of machine cycles is┬á ?
a.┬á┬á ┬á0
b.┬á┬á ┬á1
c.┬á┬á ┬á2
d.┬á┬á ┬á3
Answer = C

19) Von Neumann architecture is ?
a.┬á┬á ┬áSISD
b.┬á┬á ┬áSIMD
c.┬á┬á ┬áMIMD
d.┬á┬á ┬áMISD
Answer = A
Explanation:┬á In computing, SISD (single instruction, single data) is a term referring to a computer architecture in which a single processor, a uniprocessor, executes a single instruction stream, to operate on data stored in a single memory. This corresponds to the von Neumann architecture.

20) A typical application of MIMD is?
a.┬á┬á ┬árailway reservation
b.┬á┬á ┬áweather forecasting
c.┬á┬á ┬ámatrix multiplication
d.┬á┬á ┬áAll of above
┬á
Answer = A
Explanation: MIMD (multiple instruction, multiple data) is a technique employed to achieve parallelism.

Computer Science Objective -1

Mon, 30 Mar 2020 18:48:31 +0000

Q. ISDN stands for
a. Integral Service Dynamic Network
b. International Subscriber Dialup Network
c. International Service Digital Network
d. Integrated Service Digital Network

A: d. Integrated Service Digital Network

Q. Stack consists of
a. Register
b. RAM
c. ROM
d. CPU

A: RAM

Q. Microprogramming is designing of
a. Controll Unit
b.ALU
c. CPU
d. None of the above

A: a. Controll Unit

Q. Minimum number of operands with any instruction
a.0
b.1
c. 8
d. 16

A: a.0

Q. Which of the following medical activity was made possible by computers?
a. Open Heart Surgery
b. Vaccination
c. Brain scan
d. X Ray

A: C. Brain Scan

Q. FTP is
a. Mail tranfer potocol
b. File Transfer Protocol
c. File Transformation Program
d. Firewall Type Program

A: b. File Transfer Protocol

Q. Stored program concept was introduced by
a. Pascal
b. Hoolerith
c.Stallman
d. Newmann

A:┬á d. Newmann

Q. BSS loader is
a. General
b. Absolute
c. Relocating
d. None of the above

A: c. Relocating

Q. Noise resistance is very low in the case of
a.AM
b.FM
c. PM
d. FSK

A: a. AM

Q. The first Indian analog computer was implemented by Indian stastical Institute of Culcutta in
a. 1947
b. 1956
c. 1953
d. 1961

A: c. 1953

Q. Which of the following is considered to be a popular coding scheme?
a. ASCII
b. EBCDIC
c. Unicode
d. All┬á the above

A: d.all the above

Q.┬á Database software may be divided into
a. four distinct categories
b. three distinct categories
c. two distinct categories
d. none of the above

A: b.three distinct categories

Q. A link may be defined as the representation of an

a. objects
b, application
c. program
d. none of the above

A: c. programme

Q. DPI stands for
a. Desktop projection Ink
b.Dot per Inch
c. Dotmatricks printer ink
d. Desktop pixel Inch

A: b.Dot per Inch

Q. A string of eight 0s and 1s is called a:
a. megabyte.
b. byte.
c. kilobyte.
d. gigabyte.

A: b byte.

Computer Science Objective -10

Mon, 30 Mar 2020 18:49:16 +0000

1. Word processing, spreadsheet, and photo-editing are examples of ΓÇªΓÇªΓÇªΓÇª.?
Ans. Application software

2. ΓÇªΓÇªΓÇªΓÇªΓÇª is a set of computer programs used on a computer to help perform tasks.
Ans. Software

3. System software is the set of programs that enables your computers hardware devices and ΓÇªΓÇªΓÇªΓÇªΓÇªΓÇª software to work together.
Ans. Application

4. The PC and the Apple Macintosh are examples of two different ΓÇªΓÇªΓÇªΓÇªΓÇª?
Ans. Platforms

5. Apple Macintosh (Macs) and Pcs use different ΓÇªΓÇªΓÇªΓÇªΓÇª.. to process data and different operating systems.
Ans. CPUs

6. Copyrighted software that can be used for free is ΓÇªΓÇªΓÇªΓÇª
Ans. Freeware

7. To access properties of an object, the mouse technique to use is ΓÇªΓÇªΓÇªΓÇª..
Ans. Right-clicking

8. The ΓÇªΓÇªΓÇªΓÇªΓÇª. Becomes different shapes depending on the task you are performing.
Ans. Mouse pointer

9. The capability of the operating system to enable two or more than two instructions to execute simultaneously in a single computer system by using multiple CPUs isΓÇªΓÇªΓÇªΓÇªΓÇª..
Ans. Multi tasking

10. All of the following storage media have read and write capabilities except ΓÇªΓÇªΓÇª..
Ans. Flash memory cards

11. A (n) ΓÇªΓÇªΓÇªΓÇª. is a small group of computers and peripherals linked together in a small geographic area.
Ans. LAN

12. The ΓÇªΓÇªΓÇªΓÇªΓÇª. Enables your computer to connect to other computers.
Ans. Network interface card (NIC)

13. What menu is selected to open?
Ans. File

14. To make the number pad act as directional arrows you press the ΓÇªΓÇªΓÇªΓÇªΓÇª. Key.
Ans. Num lock

15. To access a mainframe or super computer, users often use a
Ans. Desktop

16. ΓÇªΓÇªΓÇªΓÇªΓÇª is when the computer is turned on and the operating system is loading.
Ans. Booting

17. A ΓÇªΓÇªΓÇªΓÇªΓÇª includes the file name and possibly a directory or folder.
Ans. File directory

18. A (n) ΓÇªΓÇªΓÇªΓÇªΓÇª is text that you want printed at the top of the page.
Ans. Header

19. A string of eight 0s and 1s is called a ΓÇªΓÇªΓÇªΓÇªΓÇª
Ans. Byte

20. ΓÇªΓÇªΓÇªΓÇªΓÇªΓÇª are symbols that represent any character or combination of characters.
Ans. Wild cards

21. A word in a web page that, when clicked, opens another document.
Ans. Hyperlink

22. A menu contains lists of ΓÇªΓÇªΓÇªΓÇªΓÇª.
Ans. Objects

23. Each ΓÇªΓÇªΓÇªΓÇª. On a menu performs a specific action.
Ans. Command

24. To make notebook act as a desktop model, the notebook can be connected to a ΓÇªΓÇªΓÇªΓÇª. which is connected to a monitor and other devices.
Ans. Docking station

25. To print a document, press ΓÇªΓÇªΓÇªΓÇª. Then press ENTER.
Ans. CTRL+P

26. The ability to find an individual item in a file immediately is ΓÇªΓÇªΓÇªΓÇªΓÇª
Ans. Sequential access

27. "Stored Program Concept" postulated by:
Ans. John von neumann

28. Founder of the social networking website 'Facebook':
Ans. Mark Elliot Zuckerberg

29. Name associated with Open Source Program:
Ans. Richard Stallman

30. The main routes that data travels over the internet is called:
Ans. Internet backbone

31. An IT term refers to allowing someone to open web pages and see web sites on the internet.
Ans. Web Surfing

32. An internet protocol that allows quick file tarnsmission to remote computers is know as:
Ans. FTP

33. Protocol used to temporarily store new messages in your mailbox on an e-mail server is known as:
Ans. POP

34.Company which maintains internet computers and telecommunications equipment in order to provide internet access to businesses, organizations and individuals is called:
Ans. Internet Service Provider

35. The device that protects all computers in the network from many attacks is called:
Ans. Firewall

36. Free telephone style conversations to travel over the internet to virtually anywhere in the world is known as:
Ans. Internet Telephony

Computer Science Objective -11

Mon, 30 Mar 2020 18:50:12 +0000

1. UNIVAC is

a. Universal Automatic Computer
b. Universal Array Computer
c. Unique Automatic Computer
d. Unvalued Automatic Computer

2. CD-ROM stands for
a. Compactable Read Only Memory
b. Compact Data Read Only Memory
c. Compactable Disk Read Only Memory
d. Compact Disk Read Only Memory

3. ALU is
a. Arithmetic Logic Unit
b. Array Logic Unit
c. Application Logic Unit
d. None of above

4. VGA is
a. Video Graphics Array
b. Visual Graphics Array
c. Volatile Graphics Array
d. Video Graphics Adapter

5. IBM 1401 is
a. First Generation Computer
b. Second Generation Computer
c. Third Generation Computer
d. Fourth Generation Computer

6. MSI stands for
a. Medium Scale Integrated Circuits
b. Medium System Integrated Circuits
c. Medium Scale Intelligent Circuit
d. Medium System Intelligent Circuit

7. The capacity of 3.5 inch floppy disk is
a. 1.40 MB
b. 1.44 GB
c. 1.40 GB
d. 1.44 MB

8. The first computer introduced in Nepal was
a. IBM 1400
b. IBM 1401
c. IBM 1402
d. IBM1402

9. WAN stands for
a. Wap Area Network
b. Wide Area Network
c. Wide Array Net
d. Wireless Area Network

10. MICR stands for
a. Magnetic Ink Character Reader
b. Magnetic Ink Code Reader
c. Magnetic Ink Cases Reader
d. None

Answers

1. UNIVAC is

┬á┬á┬á Correct Answer: a. Universal Automatic Computer

┬á┬á┬á Explanation: There are no computers with the name as in other options. UNIVAC was the first general purpose electronic digital computer designed for commercial use, produced by Universal Accounting Company of John Mauchly and J.P.Eckert in 1951.

2. CD-ROM stands for

┬á┬á┬á Correct Answer: d. Compact Disk Read Only Memory

┬á┬á┬á Explanation: There are no objects with the name as in other options. CD-ROM is a non-volatile optical data storage medium using the same physical format as audio compact disk, readable by a computer with a CD-ROM drive. The standard 12 cm diameter CD-ROM store about 660 megabytes.

3. ALU is

┬á┬á┬á Correct Answer: a. Arithmetic Logic Unit

┬á┬á┬á Explanation: ALU is a unit in Central Processing Unit in a computer system that is responsible for arithmetic calculations and logical operations. Apart from ALU, the CPU contains MU (Memory Unit) and CU (Control Unit).

4. VGA is

┬á┬á┬á Correct Answer: a. Video Graphics Array

┬á┬á┬á Explanation: VGA is a type of Graphics Adapter. Graphic Adapter is an electronic board that controls the display of a monitor. This device helps the motherboard to work with the monitor and in VGA and SVGA the last letter ΓÇÿAΓÇÖ stands for ΓÇÿArrayΓÇÖ whereas in MDA, CGA, MCGA the last letter ΓÇÿAΓÇÖ stands for ΓÇÿAdapterΓÇÖ.

5. IBM 1401 is

┬á┬á┬á Correct Answer: b. Second Generation Computer

┬á┬á┬á Explanation: IBM 1401 is a Second Generation Computer and is the first computer to enter Nepal in 2028 BS for census. Government of Nepal had brought this computer on rent and later purchased for data processing in Bureau of Statistics. After this computer, another ICL 2950/10, a British computer, was purchased by the fund of UNDP and UNFPA for the census of 2038 BS is second computer in Nepal.

6. MSI stands for

┬á┬á┬á Correct Answer: a. Medium Scale Integrated Circuits

┬á┬á┬á Explanation: After the invention of IC chips the development of computers plunged into next phase. Small Scale Integration and Medium Scale Integration (SSI and MSI) were used in third generation of computers and Large Scale Integration and Very Large Scale Integration (LSI and VLSI) are being used in fourth generation of computers. People are now expecting ULSI (Ultra Large Scale Integration) Circuits to be used for fifth generation computers.

7. The capacity of 3.5 inch floppy disk is

┬á┬á┬á Correct Answer: d. 1.44 MB

┬á┬á┬á Explanation: Microfloppy disks (3.5 inch) if it is high density (MF2HD) can store 1.44 MB and if it is low density (MF2DD), it can store 720 KB. Mini Floppy disks (5.25 inch) if it is high density (MD2HD) can store 1.2 MB and low density (MD2DD) stores 360 KB of data.

8. The first computer introduced in Nepal was

┬á┬á┬á Correct Answer: b. IBM 1401

┬á┬á┬á Explanation: IBM 1401, a second generation computer was brought in Nepal by the Government of Nepal paying One Lakh and twenty five thousands per month to use in the census in 2028 B.S. Before this computer, Nepal was using a calculating device called Facit for statistical tasks.

9. WAN stands for

┬á┬á┬á Correct Answer: b. Wide Area Network

┬á┬á┬á Explanation: There are three different classes of computer network namely, Local Area Network (LAN) that covers a small geographical area such as a room, a building or a compound; Metropolitan Area Network (MAN) that has a citywide coverage; and Wide Area Network (WAN) that covers the whole globe or beyond the globe.

10. MICR stands for

┬á┬á┬á Correct Answer: a. Magnetic Ink Character Reader

┬á┬á┬á Explanation: MICR (Magnetic Ink Character Reader) is kind of scanner that can scan and identify the writing of magnetic ink. This device is used in banks to verify signatures in Checks.

Computer Science Objective -12

Mon, 30 Mar 2020 18:50:53 +0000

1. EBCDIC stands for
a. Extended Binary Coded Decimal Interchange Code
b. Extended Bit Code Decimal Interchange Code
c. Extended Bit Case Decimal Interchange Code
d. Extended Binary Case Decimal Interchange Code

2. BCD is
a. Binary Coded Decimal
b. Bit Coded Decimal
c. Binary Coded Digit
d. Bit Coded Digit
┬á

3. ASCII stands for
a. American Stable Code for International Interchange
b. American Standard Case for Institutional Interchange
c. American Standard Code for Information Interchange
d. American Standard Code for Interchange Information
┬á

4. Which of the following is first generation of computer
a. EDSAC
b. IBM-1401
c. CDC-1604
d. ICL-2900
┬á

5. Chief component of first generation computer was
a. Transistors
b. Vacuum Tubes and Valves
c. Integrated Circuits
d. None of above
┬á

6. FORTRAN is
a. File Translation
b. Format Translation
c. Formula Translation
d. Floppy Translation
┬á

7. EEPROM stand for
a. Electrically Erasable Programmable Read Only Memory
b. Easily Erasable Programmable Read Only Memory
c. Electronic Erasable Programmable Read Only Memory
d. None of the above
┬á

8. Second Generation computers were developed during
a. 1949 to 1955
b. 1956 to 1965
c. 1965 to 1970
d. 1970 to 1990

Correct Answer: 1956 to 1965
Explanation: Second generation computers used transistors as their main electronic component. Transistor was invented by Bell Lab Scientists John Burdeen, Walter Brattain and William Shockley in 1947 and won the Nobel Prize in 1956 but it was not used in computers till 1956. The second generation continued until the implementation of IC chips invented by Jack Kilby in Texas Instruments in 1958.

┬á9. The computer size was very large in
a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation
┬á

10. Microprocessors as switching devices are for which generation computers
a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation

Answers

1. EBCDIC stands for

┬á┬á┬á Correct Answer: a. Extended Binary Coded Decimal Interchange Code

┬á┬á┬á Explanation: EBCDIC is an 8-bit binary code for larger IBMs primarily mainframes in which each byte represent one alphanumeric character or two decimal digits. 256 characters can be coded using EBCDIC.

2. BCD is

┬á┬á┬á Correct Answer: a. Binary Coded Decimal

┬á┬á┬á Explanation: BCD is a binary coded notation in which each of the decimal digits is expressed as a 8-bit binary numeral. For example in binary coded decimal notation 12 is 0001 0010 as opposed to 1100 in pure binary.

3. ASCII stands for

┬á┬á┬á Correct Answer: c. American Standard Code for Information Interchange

┬á┬á┬á Explanation: ASCII is a code which converts characters ΓÇô letters, digits, punctuations and control characters such as Alt, Tab etc ΓÇô into numeral form. ASCII code is used to represent data internally in micro-computers. ASCII codes are 7 bits and can represent 0 to 127 and extended ASCII are 8 bits that represents 0 to 255.

4. Which of the following is first generation of computer

┬á┬á┬á Correct Answer: a. EDSAC

┬á┬á┬á Explanation: IBM-1401, CDC-1604 is second generation computer. ICL-2900 is a fourth generation computer. EDSAC is important in the development of computer since it was the first computer to use John von. NeumannΓÇÖs Stored Program Concept. It used 3000 vacuum tubes and computers with vacuum tubes are of first generation computers.

5. Chief component of first generation computer was

┬á┬á┬á Correct Answer: b. Vacuum Tubes and Valves

┬á┬á┬á Explanation: Transistors were used for second generation computers and integrated circuits in third generation. First generation computers used vacuum tubes and valves as their main electronic component. Vacuum Tubes were invented by Lee DeForest in 1908.

6. FORTRAN is

┬á┬á┬á Correct Answer: c. Formula Translation

┬á┬á┬á Explanation: FORTRAN (Formula Translation) is one of the earlier High Level programming languages used to write scientific applications. It was developed by IBM in 1956.

7. EEPROM stand for

┬á┬á┬á Correct Answer: a. Electrically Erasable Programmable Read Only Memory

┬á┬á┬á Explanation: There are three types of ROM namely, PROM, EPROM and EEPROM. PROM canΓÇÖt be reprogrammed, EPROM can be erased by exposing it in high intensity ultraviolet light and EEPROM can be erased and reprogrammed electrically. It is not needed to be removed from the computer to be modified.

8. Second Generation computers were developed during

┬á┬á┬á Correct Answer: 1956 to 1965

┬á┬á┬á Explanation: Second generation computers used transistors as their main electronic component. Transistor was invented by Bell Lab Scientists John Burdeen, Walter Brattain and William Shockley in 1947 and won the Nobel Prize in 1956 but it was not used in computers till 1956. The second generation continued until the implementation of IC chips invented by Jack Kilby in Texas Instruments in 1958.

9. The computer size was very large in

┬á┬á┬á Correct Answer: a. First Generation

┬á┬á┬á Explanation: It is obvious that computers developed with more power, reliability, speed and smaller sizes due to the enhancement of technology. First generation computers used 1000s of vacuum tubes that required lot of space made them gigantic in size. Single transistor could replace 1000 vacuum tubes and a single IC chip replaced 1000s of transistors made computers smaller and more speedy.

10. Microprocessors as switching devices are for which generation computers

┬á┬á┬á Correct Answer: Fourth Generation

┬á┬á┬á Explanation: Microprocessors further revolutionized the development of computers. Personal microcomputers were possible due to the microprocessors. The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971. Microprocessors are used in the computers of fourth generation computers.

Computer Science Objective -13

Mon, 30 Mar 2020 18:51:38 +0000

1. Which of the following devices can be sued to directly image printed text?

┬á┬á┬á a. OCR

┬á┬á┬á b. OMR

┬á┬á┬á c. MICR

┬á┬á┬á d. All of above

2. The output quality of a printer is measured by

┬á┬á┬á a. Dot per inch

┬á┬á┬á b. Dot per sq. inch

┬á┬á┬á c. Dots printed per unit time

┬á┬á┬á d. All of above

3. In analog computer

┬á┬á┬á a. Input is first converted to digital form

┬á┬á┬á b. Input is never converted to digital form

┬á┬á┬á c. Output is displayed in digital form

┬á┬á┬á d. All of above

4. In latest generation computers, the instructions are executed

┬á┬á┬á a. Parallel only

┬á┬á┬á b. Sequentially only

┬á┬á┬á c. Both sequentially and parallel

┬á┬á┬á d. All of above

5. Who designed the first electronics computer ΓÇô ENIAC?

┬á┬á┬á a. Van-Neumann

┬á┬á┬á b. Joseph M. Jacquard

┬á┬á┬á c. J. Presper Eckert and John W Mauchly

┬á┬á┬á d. All of above

6. Who invented the high level language c?

┬á┬á┬á a. Dennis M. Ritchie

┬á┬á┬á b. Niklaus Writh

┬á┬á┬á c. Seymour Papert

┬á┬á┬á d. Donald Kunth

7. Personnel who design, program, operate and maintain computer equipment refers to

┬á┬á┬á a. Console-operator

┬á┬á┬á b. Programmer

┬á┬á┬á c. Peopleware

┬á┬á┬á d. System Analyst

8. When did arch rivals IBM and Apple Computers Inc. decide to join hands?

┬á┬á┬á a. 1978

┬á┬á┬á b. 1984

┬á┬á┬á c. 1990

┬á┬á┬á d. 1991

9. Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?

┬á┬á┬á a. Monitor

┬á┬á┬á b. Hardware

┬á┬á┬á c. Robot

┬á┬á┬á d. Computer

10. An error in software or hardware is called a bug. What is the alternative computer jargon for it?

┬á┬á┬á a. Leech

┬á┬á┬á b. Squid

┬á┬á┬á c. Slug

┬á┬á┬á d. Glitch

11. Modern Computer are very reliable but they are not

┬á┬á┬á a. Fast

┬á┬á┬á b. Powerful

┬á┬á┬á c. Infallible

┬á┬á┬á d. Cheap

12. What is the name of the display feature that highlights are of the screen which requires operator attention?

┬á┬á┬á a. Pixel

┬á┬á┬á b. Reverse video

┬á┬á┬á c. Touch screen

┬á┬á┬á d. Cursor

13. IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contributed the video display?

┬á┬á┬á a. India

┬á┬á┬á b. China

┬á┬á┬á c. Germany

┬á┬á┬á d. Taiwan

14. Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?

┬á┬á┬á a. Daughter board

┬á┬á┬á b. Motherboard

┬á┬á┬á c. Father board

┬á┬á┬á d. Breadboard

15. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?

┬á┬á┬á a. Motherboard

┬á┬á┬á b. Breadboard

┬á┬á┬á c. Daughter board

┬á┬á┬á d. Grandmother board

16. What is meant by a dedicated computer?

┬á┬á┬á a. Which is used by one person only

┬á┬á┬á b. Which is assigned one and only one task

┬á┬á┬á c. Which uses one kind of software

┬á┬á┬á d. Which is meant for application software

17. The system unit of a personal computer typically contains all of the following except:

┬á┬á┬á a. Microprocessor

┬á┬á┬á b. Disk controller

┬á┬á┬á c. Serial interface

┬á┬á┬á d. Modem

┬á┬á┬á 18. A computer program that converts an entire program into machine language is called a/an

┬á┬á┬á a. Interpreter

┬á┬á┬á b. Simulator

┬á┬á┬á c. Compiler

┬á┬á┬á d. Commander

19. A computer program that translates one program instructions at a time into machine language is called a/an

┬á┬á┬á a. Interpreter

┬á┬á┬á b. CPU

┬á┬á┬á c. Compiler

┬á┬á┬á d. Simulator

20. A small or intelligent device is so called because it contains within it a

┬á┬á┬á a. Computer

┬á┬á┬á b. Microcomputer

┬á┬á┬á c. Programmable

┬á┬á┬á d. Sensor

Answers

1. Which of the following devices can be sued to directly image printed text?

┬á┬á┬á a. OCR

2. The output quality of a printer is measured by

┬á┬á┬á b. Dot per sq. inch

3. In analog computer

┬á┬á┬á b. Input is never converted to digital form

4. In latest generation computers, the instructions are executed

┬á┬á┬á c. Both sequentially and parallel

5. Who designed the first electronics computer ΓÇô ENIAC?

┬á┬á┬á c.┬á J. Presper Eckert and John W Mauchly

6. Who invented the high level language c?

┬á┬á┬á a. Dennis M. Ritchie

7. Personnel who design, program, operate and maintain computer equipment refers to

┬á┬á┬á c. Peopleware

8. When did arch rivals IBM and Apple Computers Inc. decide to join hands?

┬á┬á┬á d. 1991

9. Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?

┬á┬á┬á d. Computer

10. An error in software or hardware is called a bug. What is the alternative computer jargon for it?

┬á┬á┬á d. Glitch

11. Modern Computer are very reliable but they are not

┬á┬á┬á c. Infallible

12. What is the name of the display feature that highlights are of the screen which requires operator attention?

┬á┬á┬á b. Reverse video

13. IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contributed the video display?

┬á┬á┬á d. Taiwan

14. Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?

┬á┬á┬á b. Motherboard

15. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?

┬á┬á┬á a. Motherboard

16. What is meant by a dedicated computer?

┬á┬á┬á b. Which is assigned one and only one task

17. The system unit of a personal computer typically contains all of the following except:

┬á┬á┬á d. Modem

18. A computer program that converts an entire program into machine language is called a/an

┬á┬á┬á c. Compiler

19. A computer program that translates one program instructions at a time into machine language is called a/an

┬á┬á┬á a. Interpreter

20. A small or intelligent device is so called because it contains within it a

┬á┬á┬á d. Sensor

Computer Science Objective -14

Mon, 30 Mar 2020 18:52:20 +0000

1. The ALU of a computer responds to the commands coming from

┬á┬á┬á a. Primary memory

┬á┬á┬á b. Control section

┬á┬á┬á c. External memory

┬á┬á┬á d. Cache memory

2. The act of retrieving existing data from memory is called

┬á┬á┬á a. Read-out

┬á┬á┬á b. Read from

┬á┬á┬á c. Read

┬á┬á┬á d. All of above

3. All modern computer operate on

┬á┬á┬á a. Information

┬á┬á┬á b. Floppies

┬á┬á┬á c. Data

┬á┬á┬á d. Word

4. Instructions and memory address are represented by

┬á┬á┬á a. Character code

┬á┬á┬á b. Binary codes

┬á┬á┬á c. Binary word

┬á┬á┬á d. Parity bit

5. Which of the following code used in present day computing was developed by IBM Corporation?

┬á┬á┬á a. ASCII

┬á┬á┬á b. Hollerith Code

┬á┬á┬á c. Baudot Code

┬á┬á┬á d. EBCDIC Code

6. What is the latest write-once optical storage media?

┬á┬á┬á a. Digital paper

┬á┬á┬á b. Magneto-optical disk

┬á┬á┬á c. WORM disk

┬á┬á┬á d. CD-ROM disk

7. The most important advantage of a video disk is

┬á┬á┬á a. Compactness

┬á┬á┬á b. Potential capacity

┬á┬á┬á c. Durability

┬á┬á┬á d. Cost effectiveness

8. What is the number of read-write heads in the drive for a 9-trac magnetic tape?

┬á┬á┬á a. 9

┬á┬á┬á b. 16

┬á┬á┬á c. 18

┬á┬á┬á d. 27

9. Before a disk drive can access any sector record, a computer program has to provide the recordΓÇÖs disk address. What information does this address specify?

┬á┬á┬á a. Track number

┬á┬á┬á b. Sector number

┬á┬á┬á c. Surface number

┬á┬á┬á d. All of above

10. As compared to diskettes, the hard disks are

┬á┬á┬á a. More expensive

┬á┬á┬á b. More portable

┬á┬á┬á c. Less rigid

┬á┬á┬á d. Slowly accessed

11. Floppy disks which are made from flexible plastic material are also called?

┬á┬á┬á a. Hard disks

┬á┬á┬á b. High-density disks

┬á┬á┬á c. Diskettes

┬á┬á┬á d. Templates

12. Regarding a VDU, Which statement is more correct?

┬á┬á┬á a. It is an output device

┬á┬á┬á b. It is an input device

┬á┬á┬á c. It is a peripheral device

┬á┬á┬á d. It is hardware item

13. What is the name of the computer terminal which gives paper printout?

┬á┬á┬á a. Display screen

┬á┬á┬á b. Soft copy terminal

┬á┬á┬á c. Hard copy terminal

┬á┬á┬á d. Plotter

14. Dot-matrix is a type of

┬á┬á┬á a. Tape

┬á┬á┬á e. Printer

┬á┬á┬á f. Disk

┬á┬á┬á g. Bus

15. The two kinds of main memory are:

┬á┬á┬á a. Primary and secondary

┬á┬á┬á b. Random and sequential

┬á┬á┬á c. ROM and RAM

┬á┬á┬á d. All of above

16. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called

┬á┬á┬á a. Laser printer

┬á┬á┬á b. Ink-jet printer

┬á┬á┬á c. Drum printer

┬á┬á┬á d. Chan printer

17. Which printer is very commonly used for desktop publishing?

┬á┬á┬á a. Laser printer

┬á┬á┬á b. Inkjet printer

┬á┬á┬á c. Daisywheel printer

┬á┬á┬á d. Dot matrix printer

18. An output device that uses words or messages recorded on a magnetic medium to produce audio response is

┬á┬á┬á b. Magnetic tape

┬á┬á┬á c. Voice response unit

┬á┬á┬á d. Voice recognition unit

┬á┬á┬á e. Voice band

19. Which of the following will happen when data is entered into a memory location?

┬á┬á┬á a. It will add to the content of the location

┬á┬á┬á b. It will change the address of the memory location

┬á┬á┬á c. It will erase the previous content

┬á┬á┬á d. It will not be fruitful if there is already some data at the location

20. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is

┬á┬á┬á a. Memory

┬á┬á┬á b. Buffer

┬á┬á┬á c. Accumulator

┬á┬á┬á d. Address

Answers

1. The ALU of a computer responds to the commands coming from

┬á┬á┬á b. Control section

2. The act of retrieving existing data from memory is called

┬á┬á┬á d. All of above

3. All modern computer operate on

┬á┬á┬á c. Data

4. Instructions and memory address are represented by

┬á┬á┬á b. Binary codes

5. Which of the following code used in present day computing was developed by IBM Corporation?

┬á┬á┬á d. EBCDIC Code

6. What is the latest write-once optical storage media?

┬á┬á┬á d. CD-ROM disk

7. The most important advantage of a video disk is

┬á┬á┬á b. Potential capacity

8. What is the number of read-write heads in the drive for a 9-trac magnetic tape?

┬á┬á┬á a. 9

9. Before a disk drive can access any sector record, a computer program has to provide the recordΓÇÖs disk address. What information does this address specify?

┬á┬á┬á d. All of above

10. As compared to diskettes, the hard disks are

┬á┬á┬á a. More expensive

11. Floppy disks which are made from flexible plastic material are also called?

┬á┬á┬á c. Diskettes

12. Regarding a VDU, Which statement is more correct?

┬á┬á┬á c. It is a peripheral device

13. What is the name of the computer terminal which gives paper printout?

┬á┬á┬á c. Hard copy terminal

14. Dot-matrix is a type of

┬á┬á┬á b. Printer

15. The two kinds of main memory are:

┬á┬á┬á c. ROM and RAM

16. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called

┬á┬á┬á b. Ink-jet printer

17. Which printer is very commonly used for desktop publishing?

┬á┬á┬á a. Laser printer

18. An output device that uses words or messages recorded on a magnetic medium to produce audio response is

┬á┬á┬á b. Voice response unit

19. Which of the following will happen when data is entered into a memory location?

┬á┬á┬á c. It will erase the previous content

20. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is

┬á┬á┬á b. Buffer

Computer Science Objective -15

Mon, 30 Mar 2020 18:52:51 +0000

1. To locate a data item for storage is

┬á┬á┬á a. Field

┬á┬á┬á b. Feed

┬á┬á┬á c. Database

┬á┬á┬á d. Fetch

2. programs designed to perform specific tasks is known as

┬á┬á┬á a. system software

┬á┬á┬á b. application software

┬á┬á┬á c. utility programs

┬á┬á┬á d. operating system

3. perforated paper used as input of output media is known as

┬á┬á┬á a. paper tapes

┬á┬á┬á b. magnetic tape

┬á┬á┬á c. punched papers tape

┬á┬á┬á d. card punch

4. Time during which a job is processed by the computer is

┬á┬á┬á a. Delay times

┬á┬á┬á b. Real time

┬á┬á┬á c. Execution time

┬á┬á┬á d. Down time

5. a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as

┬á┬á┬á a. Super computer

┬á┬á┬á b. Mini computer

┬á┬á┬á c. Micro computer

┬á┬á┬á d. Macro computer

6. An approach that permits the computer to work on several programs instead of one is

┬á┬á┬á a. On-line thesaurus

┬á┬á┬á b. Multiprogramming

┬á┬á┬á c. Over lapped processing

┬á┬á┬á d. Outline processor

7. A directly accessible appointment calendar is feature of a ΓÇª resident package

┬á┬á┬á a. CPU

┬á┬á┬á b. Memory

┬á┬á┬á c. Buffer

┬á┬á┬á d. ALU

8. The term gigabyte refers to

┬á┬á┬á a. 1024 bytes

┬á┬á┬á b. 1024 kilobytes

┬á┬á┬á c. 1024 megabytes

┬á┬á┬á d. 1024 gigabyte

9. Which of the following processors use RISC technology?

┬á┬á┬á a. 486dx

┬á┬á┬á b. Power PC

┬á┬á┬á c. 486sx

┬á┬á┬á d. 6340

10. A/n ΓÇª. Device is any device that provides information, which is sent to the CPU

┬á┬á┬á a. Input

┬á┬á┬á b. Output

┬á┬á┬á c. CPU

┬á┬á┬á d. Memory

11. Current SIMMs have either ΓÇª or ΓÇª connectors (pins)

┬á┬á┬á a. 9 or 32

┬á┬á┬á b. 30 or 70

┬á┬á┬á c. 28 or 72

┬á┬á┬á d. 30 or 72

12. The storage subsystem in a microcomputer consists mainly of ΓÇª or ΓÇª media with varying capacities

┬á┬á┬á a. Memory or video

┬á┬á┬á b. Magnetic or optical

┬á┬á┬á c. Optical or memory

┬á┬á┬á d. Video or magnetic

13. Which of the following is not an input device?

┬á┬á┬á a. OCR

┬á┬á┬á b. Optical scanners

┬á┬á┬á c. Voice recognition device

┬á┬á┬á d. COM (Computer Output to Microfilm)

14. The central processing unit (CPU) consists of

┬á┬á┬á a. Input, output and processing

┬á┬á┬á b. Control unit, primary storage, and secondary storage

┬á┬á┬á c. Control unit, arithmetic-logic unit and primary storage

┬á┬á┬á d. Control unit, processing, and primary storage

15. EBCDIC can code up to how many different characters?

┬á┬á┬á a. 256

┬á┬á┬á b. 16

┬á┬á┬á c. 32

┬á┬á┬á d. 64

16. Which is considered a direct entry input device?

┬á┬á┬á a. Optical scanner

┬á┬á┬á b. Mouse and digitizer

┬á┬á┬á c. Light pen

┬á┬á┬á d. All of the above

17. Which is used for manufacturing chips?

┬á┬á┬á a. Bus

┬á┬á┬á b. Control unit

┬á┬á┬á c. Semiconductors

┬á┬á┬á d. A and b only

18. The computer code for the interchange of information between terminals is

┬á┬á┬á a. ASCII

┬á┬á┬á b. BCD

┬á┬á┬á c. EBCDIC

┬á┬á┬á d. All of above

19. A byte consists of

┬á┬á┬á a. One bit

┬á┬á┬á b. Four bits

┬á┬á┬á c. Eight bits

┬á┬á┬á d. Sixteen bits

20. A hybrid computer

┬á┬á┬á a. Resembles digital computer

┬á┬á┬á b. Resembles analog computer

┬á┬á┬á c. Resembles both a digital and analog computer

┬á┬á┬á d. None of the above

Answers

1. To locate a data item for storage is

┬á┬á┬á d. Fetch

2. programs designed to perform specific tasks is known as

┬á┬á┬á b. application software

3. perforated paper used as input of output media is known as

┬á┬á┬á a. paper tapes

4. Time during which a job is processed by the computer is

┬á┬á┬á c. Execution time

5. a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as

┬á┬á┬á a. Super computer

6. An approach that permits the computer to work on several programs instead of one is

┬á┬á┬á c. Over lapped processing

7. A directly accessible appointment calendar is feature of a ΓÇª resident package

┬á┬á┬á b. Memory

8. The term gigabyte refers to

┬á┬á┬á c. 1024 megabytes

9. Which of the following processors use RISC technology?

┬á┬á┬á b. Power PC

10. A/n ΓÇª. Device is any device that provides information, which is sent to the CPU

┬á┬á┬á a. Input

11. Current SIMMs have either ΓÇª or ΓÇª connectors (pins)

┬á┬á┬á d. 30 or 72

12. The storage subsystem in a microcomputer consists mainly of ΓÇª or ΓÇª media with varying capacities

┬á┬á┬á b. Magnetic or optical

13. Which of the following is not an input device?

┬á┬á┬á d. COM (Computer Output to Microfilm)

14. The central processing unit (CPU) consists of

┬á┬á┬á c. Control unit, arithmetic-logic unit and primary storage

15. EBCDIC can code up to how many different characters?

┬á┬á┬á a. 256

16. Which is considered a direct entry input device?

┬á┬á┬á d. All of the above

17. Which is used for manufacturing chips?

┬á┬á┬á c. Semiconductors

18. The computer code for the interchange of information between terminals is

┬á┬á┬á a. ASCII

19. A byte consists of

┬á┬á┬á c. Eight bits

20. A hybrid computer

┬á┬á┬á c. Resembles both a digital and analog computer

Computer Science Objective -16

Mon, 30 Mar 2020 18:53:28 +0000

1. The silicon chips used for data processing are called

┬á┬á┬á a. RAM chips

┬á┬á┬á b. ROM chips

┬á┬á┬á c. Micro processors

┬á┬á┬á d. PROM chips

2. The metal disks, which are permanently housed in, sealed and contamination free containers are called

┬á┬á┬á a. Hard disks

┬á┬á┬á b. Floppy disk

┬á┬á┬á c. Winchester disk

┬á┬á┬á d. Flexible disk

3. A computer consists of

┬á┬á┬á a. A central processing unit

┬á┬á┬á b. A memory

┬á┬á┬á c. Input and output unit

┬á┬á┬á d. All of the above

4. An application program that helps the user to change any number and immediately see the result of that change is

┬á┬á┬á a. Desktop publishing program

┬á┬á┬á b. Database

┬á┬á┬á c. Spreadsheet

┬á┬á┬á d. All of above

5. The instructions for starting the computer are house on

┬á┬á┬á a. Random access memory

┬á┬á┬á b. CD-Rom

┬á┬á┬á c. Read only memory chip

┬á┬á┬á d. All of above

6. The ALU of a computer normally contains a number of high speed storage element called

┬á┬á┬á a. Semiconductor memory

┬á┬á┬á b. Registers

┬á┬á┬á c. Hard disks

┬á┬á┬á d. Magnetic disk

7. a factor which would strongly influence a business person to adopt a computer is its

┬á┬á┬á a. Accuracy

┬á┬á┬á b. Reliability

┬á┬á┬á c. Speed

┬á┬á┬á d. All of above

8. The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as

┬á┬á┬á a. Magnetic core memory

┬á┬á┬á b. Magnetic tape memory

┬á┬á┬á c. Magnetic disk memory

┬á┬á┬á d. Magnetic bubble memory

9. CAD stands for

┬á┬á┬á a. Computer aided design

┬á┬á┬á b. Computer algorithm for design

┬á┬á┬á c. Computer application in design

┬á┬á┬á d. All of the above

10. RATS stand for

┬á┬á┬á a. Regression Analysis Time Series

┬á┬á┬á b. Regression Analysis Time Sharing

┬á┬á┬á c. Real Analysis Series

┬á┬á┬á d. All of above

11. In which year was chip used inside the computer for the first time?

┬á┬á┬á a. 1964

┬á┬á┬á b. 1975

┬á┬á┬á c. 1999

┬á┬á┬á d. 1944

12. What was the name of the first commercially available microprocessor chip?

┬á┬á┬á a. Intel 308

┬á┬á┬á b. Intel 33

┬á┬á┬á c. Intel 4004

┬á┬á┬á d. Motorola 639

13. When were the first minicomputer built?

┬á┬á┬á a. 1965

┬á┬á┬á b. 1962

┬á┬á┬á c. 1971

┬á┬á┬á d. 1966

14. The first digital computer built with IC chips was known as

┬á┬á┬á e. IBM 7090

┬á┬á┬á f. Apple ΓÇô 1

┬á┬á┬á g. IBM System / 360

┬á┬á┬á h. VAX-10

15. In which language is source program written?

┬á┬á┬á a. English

┬á┬á┬á b. Symbolic

┬á┬á┬á c. High level

┬á┬á┬á d. Temporary

16. Which of the following terms is the most closely related to main memory?

┬á┬á┬á a. Non volatile

┬á┬á┬á b. Permanent

┬á┬á┬á c. Control unit

┬á┬á┬á d. Temporary

17. Which of the following is used for manufacturing chips?

┬á┬á┬á a. Control bus

┬á┬á┬á b. Control unit

┬á┬á┬á c. Parity unit

┬á┬á┬á d. Semiconductor

18. Which of the following is required when more than one person uses a central computer at the same time?

┬á┬á┬á a. Terminal

┬á┬á┬á b. Light pen

┬á┬á┬á c. Digitizer

┬á┬á┬á d. Mouse

19. Which of the following is used only for data entry and storage, and never for processing?

┬á┬á┬á a. Mouse

┬á┬á┬á b. Dumb terminal

┬á┬á┬á c. Micro computer

┬á┬á┬á d. Dedicated data entry system

20. To produce high quality graphics (hardcopy) in color, you would want to use a/n

┬á┬á┬á a. RGB monitor

┬á┬á┬á b. Plotter

┬á┬á┬á c. Ink-jet printer

┬á┬á┬á d. Laser printer

Answers

1. The silicon chips used for data processing are called

┬á┬á┬á d. PROM chips

2. The metal disks, which are permanently housed in, sealed and contamination free containers are called

┬á┬á┬á c. Winchester disk

3. A computer consists of

┬á┬á┬á d. All of the above

4. An application program that helps the user to change any number and immediately see the result of that change is

┬á┬á┬á c. Spreadsheet

5. The instructions for starting the computer are house on

┬á┬á┬á c. Read only memory chip

6. The ALU of a computer normally contains a number of high speed storage element called

┬á┬á┬á b. Registers

7. a factor which would strongly influence a business person to adopt a computer is its

┬á┬á┬á d. All of above

8. The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as

┬á┬á┬á d. Magnetic bubble memory

9. CAD stands for

┬á┬á┬á a. Computer aided design

10. RATS stand for

┬á┬á┬á a. Regression Analysis Time Series

11. In which year was chip used inside the computer for the first time?

┬á┬á┬á b. 1975

12. What was the name of the first commercially available microprocessor chip?

┬á┬á┬á c. Intel 4004

13. When were the first minicomputer built?

┬á┬á┬á a. 1965

14. The first digital computer built with IC chips was known as

┬á┬á┬á c. IBM System / 360

15. In which language is source program written?

┬á┬á┬á c. High level

16. Which of the following terms is the most closely related to main memory?

┬á┬á┬á d. Temporary

17. Which of the following is used for manufacturing chips?

┬á┬á┬á d. Semiconductor

18. Which of the following is required when more than one person uses a central computer at the same time?

┬á┬á┬á a. Terminal

19. Which of the following is used only for data entry and storage, and never for processing?

┬á┬á┬á b. Dumb terminal

20. To produce high quality graphics (hardcopy) in color, you would want to use a/n

┬á┬á┬á b. Plotter

Computer Science Objective -17

Mon, 30 Mar 2020 18:53:55 +0000

1. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?

┬á┬á┬á a. Daisy wheel

┬á┬á┬á b. Dot matrix

┬á┬á┬á c. Laser

┬á┬á┬á d. Thimble

2. Which of the following printing devices an output composed of a series of data?

┬á┬á┬á a. Wire matrix printer

┬á┬á┬á b. Band printer

┬á┬á┬á c. Wang image printer

┬á┬á┬á d. Both a and c

3. The personal computer industry was started by

┬á┬á┬á a. IBM

┬á┬á┬á b. Apple

┬á┬á┬á c. Compaq

┬á┬á┬á d. HCL

4. In the IBM PC-At, what do the words AT stand for

┬á┬á┬á a. Additional Terminals

┬á┬á┬á b. Advance technology

┬á┬á┬á c. Applied technology

┬á┬á┬á d. Advanced terminology

5. Magnetic tape can serve as

┬á┬á┬á a. Secondary storage media

┬á┬á┬á b. Output media

┬á┬á┬á c. Input media

┬á┬á┬á d. All of the above

6. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be

┬á┬á┬á a. 216

┬á┬á┬á b. 65,536

┬á┬á┬á c. 64K

┬á┬á┬á d. Any of the above

7. The two major types of computer chips are

┬á┬á┬á a. External memory chip

┬á┬á┬á b. Primary memory chip

┬á┬á┬á c. Microprocessor chip

┬á┬á┬á d. Both b and c

8. As compared to the secondary memory, the primary memory of a computer is

┬á┬á┬á a. Large

┬á┬á┬á b. Cheap

┬á┬á┬á c. Fast

┬á┬á┬á d. Slow

9. Which of the following is a way to access secondary memory?

┬á┬á┬á a. Random access memory

┬á┬á┬á b. Action method

┬á┬á┬á c. Transfer method

┬á┬á┬á d. Density method

10. Which was the most popular first generation computer?

┬á┬á┬á a. IBM 1650

┬á┬á┬á b. IBM 360

┬á┬á┬á c. IBM 1130

┬á┬á┬á d. IBM 2700

11. What is the responsibility of the logical unit in the CPU of a computer?

┬á┬á┬á a. To produce result

┬á┬á┬á b. To compare numbers

┬á┬á┬á c. To control flow of information

┬á┬á┬á d. To do mathΓÇÖs works

12. The secondary storage devices can only store data but they cannot perform

┬á┬á┬á a. Arithmetic Operation

┬á┬á┬á b. Logic operation

┬á┬á┬á c. Fetch operations

┬á┬á┬á d. Either of the above

13. Which of the printers used in conjunction with computers uses dry ink power?

┬á┬á┬á a. Daisy wheel printer

┬á┬á┬á b. Line printer

┬á┬á┬á c. Laser printer

┬á┬á┬á d. Thermal printer

14. Which of the following produces the best quality graphics reproduction?

┬á┬á┬á a. Laser printer

┬á┬á┬á b. Ink jet printer

┬á┬á┬á c. Plotter

┬á┬á┬á d. Dot matrix printer

15. Which of the following memories allows simultaneous read and write operations?

┬á┬á┬á a. ROM

┬á┬á┬á b. RAM

┬á┬á┬á c. EPROM

┬á┬á┬á d. None of above

16. Which of the following memories has the shortest access times?

┬á┬á┬á a. Cache memory

┬á┬á┬á b. Magnetic bubble memory

┬á┬á┬á c. Magnetic core memory

┬á┬á┬á d. RAM

17. A 32 bit microprocessor has the word length equal to

┬á┬á┬á a. 2 byte

┬á┬á┬á b. 32 byte

┬á┬á┬á c. 4 byte

┬á┬á┬á d. 8 byte

18. An error in computer data is called

┬á┬á┬á a. Chip

┬á┬á┬á b. Bug

┬á┬á┬á c. CPU

┬á┬á┬á d. Storage device

19. A set of information that defines the status of resources allocated to a process is

┬á┬á┬á a. Process control

┬á┬á┬á b. ALU

┬á┬á┬á c. Register Unit

┬á┬á┬á d. Process description

20. Any method for controlling access to or use of memory is known

┬á┬á┬á a. Memory map

┬á┬á┬á b. Memory protection

┬á┬á┬á c. Memory management

┬á┬á┬á d. Memory instruction

Answers

1. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?

┬á┬á┬á c. Laser

2. Which of the following printing devices an output composed of a series of data?

┬á┬á┬á d. Both a and c

3. The personal computer industry was started by

┬á┬á┬á a. IBM

4. In the IBM PC-At, what do the words AT stand for

┬á┬á┬á b. Advance technology

5. Magnetic tape can serve as

┬á┬á┬á d. All of the above

6. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be

┬á┬á┬á b. 65,536

7. The two major types of computer chips are

┬á┬á┬á d. Both b and c

8. As compared to the secondary memory, the primary memory of a computer is

┬á┬á┬á c. Fast

9. Which of the following is a way to access secondary memory?

┬á┬á┬á a. Random access memory

10. Which was the most popular first generation computer?

┬á┬á┬á a. IBM 1650

11. What is the responsibility of the logical unit in the CPU of a computer?

┬á┬á┬á b. To compare numbers

12. The secondary storage devices can only store data but they cannot perform

┬á┬á┬á d. Either of the above

13. Which of the printers used in conjunction with computers uses dry ink power?

┬á┬á┬á c. Laser printer

14. Which of the following produces the best quality graphics reproduction?

┬á┬á┬á c. Plotter

15. Which of the following memories allows simultaneous read and write operations?

┬á┬á┬á b. RAM

16. Which of the following memories has the shortest access times?

┬á┬á┬á a. Cache memory

17. A 32 bit microprocessor has the word length equal to

┬á┬á┬á c. 4 byte

18. An error in computer data is called

┬á┬á┬á b. Bug

19. A set of information that defines the status of resources allocated to a process is

┬á┬á┬á d. Process description

20. Any method for controlling access to or use of memory is known

┬á┬á┬á b. Memory protection