VJY Softworx Inc.

Vijay Kumar Verma

2014-08-01T11:15:00.002-07:00

Testimonial for My College
"The computer technology changes very fast and those who are not able to match with it are left behind forever. I am thankful to SVIET for providing the training programs and workshops on latest technology in the college, equipped me for the challenges of the IT sector. I remember when I joined MCA, I was totally confused. I had taken it up as it was in vogue. But the guidance provided by Ms. Kawaljeet Kaur (HOD MCA) helped me a lot. I thank my Computer Application Department for encouraging me to think globally and spread my wings to take off for the land of rising sun. I am confident that my future is very bright and I would make my college and my parents proud"
About Myself
I’ve learned I don’t know anything. Have also learned that people will pay for what I know.
Favorite Quotes

"Arise! awake! and don't stop until goal reach."

“Don't compare yourself with anyone in this world...if you do so, you are insulting yourself.”

“I never topped in the university, but today toppers of best universities are my employees...”

Extra
I would like very much if you call me VJY instead of Long name with respected suffix prefix.

Graphics Programs: Draw Circle using Polynomial Method

2014-04-10T08:27:00.001-07:00

Source Code

/**********************************************************
* Program : Simple Circle Drawing Algorithm
* Author : Vijay Kumar Verma (VJY) | MCA
* Website : vjysoftworx.com
* Date : 25-Jan-2014
***********************************************************/
#include ‹iostream.h›
#include ‹conio.h›
#include ‹graphics.h›
#include ‹math.h›
int main(){
  int dr=DETECT, md;
  initgraph(&dr,&md,"c:\\tc\\bgi");
  int h, k, r, x, y, xe,col;
  cout<<"Enter co-ordinate of center(h,k): ";
  cin>>h>>k;
  cout<<"Enter radius: ";
  cin>>r;
  cout<<"Enter Color code(0-15): ";
  cin>>col;
  x= 0;
  xe = (int)r/sqrt(2)+0.5;  //calculate the end point of x
  y = r;                     //add the value of r to y
  while(x <= xe){
   putpixel(x+h,y+k, col);
   putpixel(x+h,-y+k,col);
   putpixel(y+h,-x+k, col);
   putpixel(-y+h,-x+k, col);
   putpixel(-x+h,-y+k, col);
   putpixel(-x+h,y+k, col);
   putpixel(-y+h,x+k, col);
   putpixel(y+h,x+k, col);
   x++;
   y = (int)sqrt(r*r-x*x)+0.5;  //calculate the value of y
  }
 getch();
 closegraph();
 return 0;
}

Output:

Happy New Year 2013

2012-12-31T07:46:00.000-08:00

Happy New Year 2013

May every day of the new year glow with good cheer & happiness for you & your family

Create File and Folder with Name "CON" in Windows

2012-10-24T08:04:00.000-07:00

Most of people wondering, when hear that we cannot create a folder with the name CON.

Simple ppl dont know why they cant create File named with "CON"? Very few know that they can still create it someway. why are they supposed to do exactly like that.. Now, After reading this tutorial, you will become one of the rest. Not only CON, we cannot create any of these:

CON, PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9 and more.

The reason is that con, prn, lpt1..lpt9, etc are underlying devices from the time dos was written. so if u r allowed to create such folders, there will be an ambiguity in where to write data when the data is supposed to go to the specified devices. In other words, if i want to print something, internally what windows does is -- it will write the data to the folder prn (virtually u can call it a folder, i mean prn, con, etc are virtual folders in device level). So if we are able to create con folder, windows will get confused where to write the data, to virtual con folder or real one. So Now, Try this...

C:\> md \\.\x:\con

Note: x: represent the Drive letter where want to create. (it may be C:, D: and So on)
Now, Open My Computer and browse through the path where you created CON folder ... Surprising.. ?? Yeah.. you have created it successfully..
Now, try to delete the folder from My computer
OOPS!!! You cant delete it...

Now, try this in command prompt console

C:\> RD \\.\x:\con

You Did it

#vjysofts $ logout_

source: google
for more detail : http://support.microsoft.com

Laptop Touch Pad Click option doesn't woked

2012-10-24T07:32:00.001-07:00

Last day when I am working on my QT (Its name of my laptop). A problem is occurred, that is after restarting windows touch pad of laptop doesn’t work perfectly. There was some error, It works well for moving the mouse pointer. But click and double click operation cannot performed by touch pad, even left and right click button works fine. I was shocked. I was trying to sort out the problem by control panel, there was nothing to do. Finally I restored the computer at previous time. It still not worked. At last I googled the problem. I searched a lots of solution but that was not worked. Suddenly, I think why not download the touch pad drivers. In some solution I found that if device setting tab available in mouse property then our problem could be solve. That very option didn’t appear in my mouse property. So, I am tensed. After then I downloaded the driver called

Synaptics Pointing Device Driver

Any one can download it from there Laptop manufacturer website or anywhere. Here is the link that can be also work for most of laptop (HP, Acer, Lenovo, Sony, Toshiba and more)

Click on download button

After installation of software restart you PC and open the mouse device setting by

Start | Cotrol Panel | Hardware and Sound category | click on "mouse"

Start | Type “main.cpl”

In both case a dialog box will appear like

Now click on Device Setting tab. Then following dialog box will appear that is use to enable and disable the pointing devices. We can also hide / show driver icon from system tray using following box.

For my problem
I used the settings.. button then another window will open

Here taping option provide a lots of facility from where, I just select enable tapping option and my problem had been solved.

Note: Snaptics driver can not only used for touch pad of laptop but also used for other pointing devices.

From this setting we can control the speed scroll, gestures and many more setting easily that increase the value of touch pad. Some video tutorial also included that can help in understanding the touch pad technique.

F2LA or Forever Friendship License Agreement

2012-10-23T21:21:00.000-07:00

In near future if Face book add this agreement before sending the request.

FOREVER FRIENDSHIP LICENSE AGREEMENT (F2LA)

ATTENTION: you may need to scroll down to the end of this F2LA before you can agree to the F2LA and continue with sending the friend request.

IMPORTANT: THIS AGREEMENT (or "F2LA") IS A LEGAL AGREEMENT BETWEEN THE PERSON, COMPANY, OR ORGANIZATION THAT HAS LICENSED THIS FRIENDSHIP BY SENDING AND ACCEPTING THE FRIEND REQUEST, YOU HAVE TO ACCEPTS THE F2LA AND AGREES TO THE TERMS OF THIS AGREEMENT.

1. Send Request if you know the person.

2. Send Request if like the activities of person.

3. You have not permission to interfere in the activities of person and if person want they can interfere in your life.

4. Person can give idea and suggestion to you but person is not responsible, if something may wrong with that condition.

5. You can never request for money or physical thing to the person. However if person want they can give you anything (may be poison to).

6. You can leave the agreement any time if want but you have to pay the cost in any way as person demand.

7. You cannot plan to destroy the person in any case. If you caught at the time of planning your friendship can destroy and you may punished.

Questions : BCA 3rd Year (magadh University)

2012-10-15T21:47:00.000-07:00

BCA Paper 5 (2010)

Time : 3 hours

Full Marks : 100

The Questions are of equal value.

Answer any five questions, including question no.1 which is compulsory.

1. Choose the correct answer:

(a) While using msgbox(string, integer, title) function, if the integer argument value is 3,
the resulting Msgbox command buttons are:

(i) Abort, Retry, Ignore

(ii) Yes, No, Cancel

(iii) Ok, Cancel, Retry

(iv) None of the above

(b) A form’s coordinates and dimensions on screen are always measured in :

(i) Point

(ii) Twips

(iii) Pixel

(iv) Inch

(i) Date value

(ii) Date serial

(iii) Date format time

(iv) None of the above

(d) How do you create a method for a class

(i) Creating a public procedure in a class module

(ii) Creating a private procedure in a class module

(iii) Creating a properties of class

(iv) none of the above

(e) One advantage of the object browser over the properties window is that:

(i) The browser can show both function and subroutine of the registered
classes

(ii) The browser can set the properties of registered classes

(iii) The browser can show both properties and methods of the registered
classes

(iv) all of the above

(f) All the following statements are true about variable scope except:

(i) Local

(ii) Module

(iii) Global

(iv) Static

(g) A new property in a class module has been created; but its scope is not specified.
What scope is it?

(i) Private

(ii) Friend

(iii) public

(iv) Global

(h) A schema describes:

(i) Record Relationship

(ii) Data Elements

(iii) Record and files

(iv) All of the above

(i) One of the flowing is valid record-based data models:

(i) Object-Oriented model

(ii) Relational Model

(iii) Entity relationship Model

(iv) none of the above

2. (a) Differentiate between implicit variable declaration and explicit variable declaration by
running a VB program.

(b) Differentiate between ListBox and ComboBox control. List basic properties of these.

(d) Explain the key objects of ADO model that enable programmers to retrieve set of
records from a given data source.

3. (a) Explain: Error trapping and handling in VB.

(b) Explain the difference between Resume and Resume Next in an error handler in the
call list.

(d) Explain with description the properties and methods of err object.

4. (a) Give the difference between check box control and option button control.

(b) How can we established the connection of a data bound control to a database using
the Data Environment?

(d) Write down the steps in sequence for adding and deleting records with ADODC.

5. (a) Variables are used by Visual Basic to hold information needed by your application.
What are Visual basic data types? Briefly explain each type.

(b) Arrays and collections provide a mean of organizing a group of objects. What are
the differences between control Array and Controls Collection?

(d) Modules are files that contain program code. List the different types of modules in VB.

6. (a) MDI applications are useful when it requires working with multiple documents. Write
a program to create MDI application.

(b) Data validation is checking the input of a program against the conditions specified.
Write a program to check validating data at Field Level.

(d) Forms are used to develop the user interface. Write a program to create and remove forms at runtime.

7. (a) Write a short notes on Arrays.

(b) Differentiate between the class modules and the standard module.

(d) how to change the position of the form during design time. And how to position it
during run time?

8. (a) Write short note Timer Control.

(b) What is use of Popup Menu? Explain, how to create the popup menu in Visual Basic.

(d) Distinguish among RUN, Design and Debug modes I Visual Basic.

9. (a) Explain the purpose and scope of database security and explain the following in
terms of providing security for a database: authorization, views, backup and recovery,
integrity, encryption and RAID technology.

(b) What is the difference between logical data independence and physical data
independence?

(d) what is referential integrity? Explain with suitable examples.

10.(a) State any five advantages of DBMS.

(b) Mention any three advantages of views.

(d) Explain the functions of Database Administrator.

Answer will be post here

Simple Magix 0.12 download

2012-10-15T20:27:00.000-07:00

here is a small project work in Visual Basic 6.0. I did some thing for fun but I enjoined to complete this task. Here I am posting the link I hope all of you like this program. And Yes!! please give your feedback about my program how it was and what should be improved.

Click on This link to...

Download

Questions : BCA 3rd Year (magadh University)

2012-10-07T02:31:00.000-07:00

BCA Paper 5 (2011)

Time : 3 hours

Full Marks : 100

The Questions are of equal value.

Answer any five questions, including question no.1 which is compulsory.

1. Choose the correct answer:

(a) In visual Basic, the storage size of data type currency is

(i) 1 byte

(ii) 2 byte

(iii) 8 byte

(iv) 4 byte

(b) The range of data type in visual Basic is visual Basic is

(i) January 1, 100 to December 31, 9999

(ii) January 1, 1000 to December 31, 9000

(iii) January 2, 1900 to December 31, 9999

(iv) None of these

(i) Multiple Data Intraction

(ii) Multiple Document Interface

(iii) Maximum Document Interface

(iv) None of these

(d) Menus can be created quickly by using the

(i) Menu editor utility

(ii) Common dialog control

(iii)Text box

(iv) None of these

(e) For a maximized windows, the window State Property is set to be

(i) 1

(ii) 2

(iii) 0

(iv) 3

(f) The type of data file that can be created in VB is

(i) Sequential

(ii) Random

(iii)Binary

(iv)All (i),(ii) and (iii)

(g) ODBC stands for

(i) Oracle Database Connectivity

(ii) Open Database Connectivity

(iii) Optional Database Connectivity

(iv) None of these

(h) Data about data is normally termed as

(i) Directory

(ii) Meta data

(iii) Data bank

(iv) None of these

(i) The relational data model is concerned with

(i) Data structure and data integrity

(ii) Data manipulation

(iii) Both (i) and (ii)

(iv) None of these

(j) In E-R diagram, a weak entity set is represented by

(i) Double outlined rectangle

(ii) Rectangle

(iii)Oval

(iv)None of these

2. (a) What do you mean by event driven programming? Explain some of the events

supported by visual Basic Objects.

(b) What are the different data types supported by Visual Basic? How can they be

declared? Discuss the scope and lifetime of variables.

3. differentiate between following and also list basic properties;

(a) Picture Box and Image control

(b) check box and option button

(d) Label and Command button.

4. (a) what is module ? Discuss form module, standard module and class module with

example.

(b) what is procedure? Discuss general procedure and event procedure.

(d) Explain FOR…NEXT and FOR EACH… NEXT loop structure.

5. (a) What is the difference between array and dynamic array?

(b) write a program using dynamic array to record the high temperature of last seven

days and display all of them with the average of high temperature. Use three buttons,

one to enter temperature, second to display the result and third to exit from the

program.

6. (a) Explain the various types of error that may occur in VB, Discuss how to avoid them

(b) What are the advantages of OLE? Explain the various methods that can be applied

to OLE container control.

7. (a) Discuss the menu Editor. How to create menu? Explain menu naming conventions.

(b) Discuss briefly the graphics controls.

color.

8. (a) What do you mean by DBMS? What is its advantage?

(b) Discuss hierarchical and relational data model.

(d) Discuss the role of DBA.

9. (a) What do you mean by entity, entity set attributes and relationship?

(b) Discuss the different symbols used in E-R model.

(d) Discuss DDL, DML and DCL

10. Discuss the following SQL commands with suitable examples:

(a) Create table

(b) Insert

(d) Delete

(e) grant

Click Here for View answer

An Introduction of Programming with JAVA

2012-09-27T01:45:00.003-07:00

History and Origin of Java

All of us must do programming but when any one talk about Java, Then all of them say - Java is an Awesome language as compare to other in most of the feature. Why Java is popular and secure language and every programmer want to program in java.

The seeds of Java were planted in 1990 by Sun Microsystems patriarch and chief researcher, Bill Joy. That time Sun was competing with the workstation market with other eminent company like Microsoft, IBM or other. But Sun missed the most of the important thing of Pc evolution. Then Joy was committed to the idea of accomplishing complex task with the simple software and found a small work group Sun Aspen as here Java origin was started. The most important and notable member of the Aspen was James Gosling who will be remembered as the father of Java. He is also known for author of the first Linux Emacs editor. Emacs was written in C on Unix Platform.

The First Person team worked on developing software for information appliances, such as cellular phones and personal digital assistants (PDAs). The goal was to enable the transfer of information and real-time applications over cheap infrared and packet-based networks. Memory and bandwidth limitations dictated small, efficient code. Gosling and his teammates began programming in C++, but they soon found themselves confounded by a language that was too complex, unwieldy, and insecure for the task. They decided to start from scratch, and Gosling began working on something he dubbed "C++ minus minus."

With the foundering of the Apple Newton, it became apparent that the PDA's ship had not yet come in, so Sun shifted First Person's efforts to interactive TV (ITV). The programming language of choice for ITV set-top boxes was to be the near ancestor of Java, a language called Oak. Even with its elegance and ability to provide safe interactivity, Oak could not salvage the lost cause of ITV at that time. Customers didn't want it, and Sun soon abandoned the concept.

At that time, Joy and Gosling got together to decide on a new strategy for their innovative language. It was 1993, and the explosion of interest in the Web presented a new opportunity. Oak was small, safe, architecture-independent, and object-oriented. As it happens, these are also some of the requirements for a universal, Internet-savvy programming language. Sun quickly changed focus, and, with a little retooling, Oak became Java.

I will post the more feature of Java in Next blog post keep tuning here and follow with us

Reference:

# Learning Java By Jonathan Knudsen, Patrick Niemeyer

# Introduction to Computing & Programming in Java By Mark Guzdial, Barbara Ericson

# Wikipedia

# Google

Customize the website(Facebook, Gmail, Yahoo etc) Color and interface

2012-09-11T10:05:00.001-07:00

I am just writing this Post is about to customizing the interface of your browser (Chrome, firefox). If all of you file bored to using the default background and interface of your favorite website you can change and made it more comfortable as you want like following interface then follow the tutorial-

My Facbook Screen

My Youtue Interface

Step 1:

At first we have to go at following link and installed the theme named Stylish to our browser-
Click here for Chrome
Click here for Firefox

Note: I recommended Chrome because it is more comfortable in customization task

If link provide above doesn't work then go through extension website using browser and find the "STYLISH" theme in search box and install the extension.

Google Chrome :

Mozila Firefox:

Step 2:

Now Most of the configuration task is completed, It's time to add themes to particular website.

First of open the website and use the Stylish add-on to enable disable Manage or Find more theme online

Chrome:
1. Click on Stylish Icon and Enable, Disable, Delete the themes installed for facebook, gmail, youtube

2. We can select this option to find the more theme about the site with this link

Firefox:

1. We can find the STYLISH toolbar on firefox at the bottom of firefox form where more theme can be downloaded and managed

Thank You

Note:Stylish also provide facility to create own theme with the help of write new style option. All programmer can enjoy to work insite this interface.

Teachers of Today

2012-09-03T02:27:00.000-07:00

I am upset because of my collage. Teachers of today think that he knows better than their student. I am not agree with him. Becuase, Teacher teachs the student one or two subjects but, A student read more subject at a time and some of them have better idea related to specific topic. I feel it more time but today I diappointed more....

Funny Diffination of Computer (Machine of WAR)

2012-08-22T07:14:00.001-07:00

A computer is machine of Quarrel. If no body mind then I can say - it is the machine of war. What do you think about it? You getting shocked but I have some thing that can prove really computer is machine of Quarrel. Really, it is.

Let's know more about it. If we have a computer at house, where more children are live then all children quarrel for operating them first and ready to pay any thing for that. Some want to play game, some want to watch movie, some of them want to operate paint application program. In this race for using computer first, all of them fight together like A big World War. Some of them Cry loudly and some take promise "I will not talk to you more","I Unfriend You" and many more. Some of them are hurted badly in this war and took a corner and do hungry strike and say "I want to play game any how otherwise Khaana nhi khaunga". Every where Cry and Cry.

Then what am i right that computer is MACHINE OF QUARREL or WAR.

-Originally Written By: vijay kumar verma

Happy Independence Day

2012-08-15T05:29:00.000-07:00

It's time to celebrate the 66th independence day of India. The Independence Day of India, celebrated on 15 August, is a holiday commemorating India's independence from the British rule and its birth as a sovereign nation on 15 August 1947. India achieved independence following the Indian independence movement noted for largely peaceful nonviolent resistance and civil disobedience led by the Indian National Congress.

B.Sc (IT) Magadh University Syllabus

2012-08-13T08:20:00.000-07:00

B.Sc (IT) Magadh University

A.N.S. Collage Just Launched some new course some of them are bachelor degree where some them are Master degree. Here I am uploading Syllabus of B.Sc(IT)-Part I

Click Here to Download Syllabus

Friend Ship Greeting in Photoshop

2012-08-05T08:53:00.001-07:00

Friend Ship Greeting in Photoshop

I am Here to Guide you to create the Greeting in Photoshop like-

Then begin the tutorial with creating the new page of dimension 1024 x 768 pixels

Note: You are free to choose any size of page but next setting may be vary as the size of
document hence choose the specific size

Now change the Foreground and Background color in Black and White (It is recommended)

Using this step to give some cloud on page : Filter | Render | Cloud . Do this more time for get perfect cloud with (Ctrl + F) like-

Use Filter again to give the glass and water like effect: Filter | Distort | Glass.. with following amount-

It give the look like:

Now it's time to change the color you have a lots of option to change the color of the images using many tools and menus I prefer Hue/Saturation Using one of the following:

Ctrl+U or Image | Adjustments | Hue/Saturations.

Adjust the amount of color like following to made it Red:

Your image will look like :

Now just time to type text as you like . I choose Friendship because today is friendship day. And one you have to use bold font for better look. I choose Forte as my font.

Use following Layer styles to give it like glass. We can use Layer style from Layer | Layer Style | Blending Options or Just use Layer Panel and double click on text layer.

Blending Options

Drop Shadow

Bevel and Embos

Type the Happy and Day with font Agency FB with yellow color and give following drop shadow:

Drop Shadow

Now create a new Layer using Ctrl+Shift+N or using Layer Panel or Layer Menu | New
Create a selection with Marquee and fill it with white color.

Use Layer Platte (Panel) to change the opacity of layer to 50% Now type the text with black color.

Here is the final Result:

I hope You Like it :)

An introduction of Programming with C++

2012-08-05T07:34:00.000-07:00

Introduction

It's amazing experiences to write program in c++ after programming in C. C++ is successor of C but initially it was not referred as C++ as we know today. C++ (Pronounced as See Plus Plus) was developed in the same place where one of the best ever programming language C was developed, That place is AT & T Bell Lab, USA around 1983.

Bjarne Stroustrup, you hear this name before. No! Don't worry i am explaining about them. Actually he is the person who is responsible to developed the C++ programming language, which is second best language after C. This name is important in programming and software industry but seems complex to pronounce it, I have also problem pronounce the name and this problem can be solved by just read following. You have to read this-

Bee-yarn-eh Strow-strup

History

I think you can pronounce correctly. Lets know history of C++. Ones upon a time there was a computer, Which was too bulky and costly. To made it functioned perfectly a medium is required called Computer and Programming Language. Initially around 1940s we had Machine language and after then Assembly language was developed around 1950s. These were two complex to code the program. Then Programmer think about some easiest way to write program for computer hence High Level Language was introduced.

"To complete the difficult task, I hire the Lazy people because they always want to find the easiest way to complete the task" -Bill Gates

One of the oldest high level programming Language was widely used at the time of 1960s was ALGOL (Algorithm Language), which was developed in Cambridge University. It was first structural Programming Language . Then, CPL (Combined Programming Language) in Cambridge University. But these can not the last and most popular. 1970-80s was the best era where many important programming languages were developed. In Bell Lab, Some extra research was continuing to made our computer system more efficient and reliable. And as a result Martin Richards developed the Language influenced by CPL called BCPL(Basic Combined Programming Language). BCPL is intend to write portable software and compiler. But not widely used. After then Language B was developed by Ken thompson with the help of Dennis ritchie. All this development was continued just for made our computer more reliable and efficient.

Next major development of this sequence is Programming language C which is milestone in programming field. C was developed by Dennis Ritchie between 1969-1973. It is developed to write the one of the best Operating System UNIX. Initially C was developed on UNIX and next Whole UNIX was developed in C. C is very popular in programming and software industry but have some drawback and lack of functionality that was solved by Bjarne Stroustrup and developed and new Programming language C++ in 1973. Initially Stroustrup called it "C with class". C++ was suggested by Rick Mascitti and first used in 1983. ++ (plus plus) is taken from increment operator of C.

"Language shapes the way we think. and determines what we can think about." -B.L.Whorf

Next»

BCA fee Stucture of ANS college (Magadh University)

2012-07-29T01:24:00.000-07:00

BCA (Bachelor In Computer Application ) is Full Time Bachelor degree graduation course. This is 3 year course which fee structure for Magadh University, Bodh Gaya is:

Rs. 11567 for each year.Hence total : 11567x3=34701 only

Registration fee for each year approx: 1800

*Note: This amount is only a approx and current fee detail of ANS college,Barh. It may be vary college to college or after each semester.

CLICK here for Syllabus

Fee Structure of BCA Magadh University

2012-07-29T01:20:00.001-07:00

BCA (Bachelor In Computer Application ) is Full Time Bachelor degree graduation course. This is 3 year course which fee structure for Magadh University, Bodh Gaya is:

Rs. 11567 for each year.Hence total : 11567x3=34701 only

Registration fee approx: 1800

*Note: This amount is only a approx and current fee detail of ANS college,Barh. It may be vary college to college or after each semester.

C Programming: Lession 1

2012-06-25T02:13:00.000-07:00

Introduction with History

The Word C is the third Letter of our Alphabets. Do you know about it? I am just joking. Actually C is Strange Word in the Computer Field for those people who just start the programming but all the experienced programmer as well as beginners like to program in C. Then let us introduce it with and from where C was origin.

Many years ago there was Machine language to work with computer. These languages have lack of portability between different computer leds to the development of High level language. The first known High level language Plankalkul developed by Konard Zuse around 1948. After then Grace hoper invented a language called FORmula TRANslator (FORTRAN) in 1952-1954, widely used by Scientist and Engineer. Next LISP and then COBOL, ALGOL, APL, PL/1,BASIC and many more. But all of them have some complexity and drawback.

To solve all this complexity some scientist working for creating new language – called “C”. C was invented and first implemented by Dennis Ritchie on a DEC PDP-11 that used the UNIX operating system (1971-73). C was developed by using the basic features of some old language -ALGOL, BCPL and B – and adding new important features in all of them.
The Name C was given by Dennis Ritchie because it was came after B. BCPL developed by Martin Richards and it influenced a language called B, was developed by Ken Thompson. B leds the development of C in the 1970s.

C was developed on UNIX platform. UNIX is best known for Network Operating System. Normally UNIX was implemented in Assembly Language but after some time whole UNIX OS was again implemented in C Language.

Many version and flavor of C is being used. Around 1973, when Kernighan and Ritchie released their book “The C Programming Language ”, It become very popular and This very version of C was widely referred K & R C. Earlier C was open that means any can use this language and also can customized its functionality. It was the cause when standard of C was going to be reduce continuously. Then Standardization process of C continue after the establishment of ANSI around 1983. It took six year to Standardize the C and finally ANSI adopted it and version ANSI C was released in December 1989. C was also adopted by ISO(International Standard organization) and this version was called ANSI/ISO C.

In 1995 some changes were included in C ,Version of C defined by the 1989 standard is commonly referred to as C99. After the development of C++ around 1983, to made C popular all time Standardization of C again worked and add the some new feature from C++ in 1999, This version of C was known as C99.

Latest Standardization and modification released the version CX1 (also called C11) around 2007.

Now days, C is the first choice of any programmer and widely adopted by Software companies because of their important features.

Many company introduce the compiler and IDE for C language some of them are
Turbo C, Borland C, GCC and more

C compiler itself written in totally C language today
Some other language influenced by C- C++, Java, Simula,

Reference:
C the complete Reference by Herbert schildt
O' Reilly Practical C programming
wikipedia
google

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Programming introduction

2012-06-23T08:16:00.002-07:00

What is Program?

Programming is nothing but making the computers think the same way a human thinks. Programs are made for obtaining a specific solution which can even be solved by humans which when solved by us may consume time. So one thing is clear that man can do all things that a computer can do where in turn a computer can not do all things that a man can do. Even though the computers are fast,reliable, and robust they are simply current consuming machines unless they are programmed.

What is programming?

Normally the process to write program for computer is called programming.

What is programer?

Person who is responsible to write the program and manage is called programmer. Actually a programmer is advance user who solve the problems with the computer.

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Questions : BCA 1st Year (magadh University)

2012-05-20T17:01:00.001-07:00

BCA Paper I (2012)

Time : 3 hours

Full Marks : 75

Candidates are required to give their answers in their own words as far as practicable.

The Questions are of equal value.

Answer any five questions, including question no.1 which is compulsory.

1. Choose the correct answer:

(i) A computer is a box full of electronic:

(a) Switching device

(b) Chips

(d) Register

(ii) The term ‘Memory’ applies to which of the following:

(a) Logic

(b) Storage

(d) Input device

(iii) Linkage between the CPU and the users is proved by:

(a) Storage

(b) Control Unit

(d) Software

(iv) Which chips are erasable by ultraviolet rays after removing them from the main Circuit?

(a) EPROM Chips

(b) EEPROM Chips

(d) All of the above

(v) Conversion of decimal number 99₁₀ to its binary number equivalent to :

(a) 1100011₂

(b) 1000001₂

(d) 1111000₂

(vi) Which register holds the intermediate results in ALU?

(a) Instruction Register

(b) Accumulator

(d) Program Counter

(vii) The three sequential function for CPU operations are:

(a) Decode, fetch, execute

(b) Execute, decode, fetch

(d) Fetch, decode, execute

(viii) The circuit that is used for parallel to serial conversion is:

(a) Decoder

(b) Encoder

(d) DE multiplexer

(ix) Static RAM stores binary values in:

(a) Capacitor

(b) Flip-flop

(d) None of the above

(x) Which of the following is a non-impact printer?

(a) Daisy Wheel Printer

(b) Drum Printer

(d) None of the above

2. What is Digital Computer? Describe about the different components of Computer.

3. (a) What do you mean by microprocessor? Draw the architecture of Intel 8088 Microprocessor.

(b) Differentiate between RISC & CISC technology.

4. (a)What is an algorithms and flow chart? What are the different symbols used in flow-chart?

(b) Draw a flow chart to find the largest of three given numbers A,B and C

5. (a) Draw the block diagram of DMA controller. Explain its operation.

(b) What is Assembly Language? Write the differences between Assembler and Compiler.

6. Describe the roles that RAM and ROM Play within the Computer, their main purpose and what

distinguishes the two types of memory.

7. Differentiate between the followings:

(a) Impact and Non-Impact Printers.

(b) Uniprocessor and Multiprocessor.

8. (a) Describe about the basic features of DOS? How you Create batch file in DOS

(b) What do you mean by External and Internal Commands? Describe any five each of external

and Internal Command.

9. (a) Why is the binary number system used for Computer? Explain.

(b) Subtract the following binary numbers using 2’s Compliments representation of negative numbers.

(i) 101101.0011-100101.0001

(ii) 11011.110-101.001

(iii) 10111.1001-11000.1101

10. Write short notes on any three of the following:

(i) Characteristics & Application of Computer

(ii) Management Information System

(iii) Evolution of microprocessor

(iv) arithmetic and Logic Unit

(v) Tele-conferecning.

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BCA Paper 5 (2010)

Time : 3 hours

Full Marks : 100

The Questions are of equal value.

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Questions : BCA 3rd Year (magadh University)

BCA Paper 5 (2011)

Time : 3 hours

Full Marks : 100

The Questions are of equal value.

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