Gadikota Mohan's blognoreply@blogger.com (Mohan Raja)Mon, 2 Sep 2024 04:18:50 +0530Blogger http://www.blogger.com10125http://gadikotamohan.blogspot.com/en-usnogadikotamohan,mohan,gadikota,windows,7,tweaksMohanGadikota Mohangadikotamohan@hotmail.comGadikota Mohanhttp://gadikotamohan.blogspot.com/2018/08/basic-networking-part-1.htmlTue, 21 Aug 2018 09:47:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-4408125145041176382 What is Computer Networking? Network is a collection of independent computers and network devices that they can communicate with each other to share resources like files, printers, CD-ROMS, Backup devices and so on. When Networks at multiple locations are connected using services available from phone companies or Internet, they can share links, conduct video conferences and sending e-mails0gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2018/08/basic-networking-part-2-osi-model.htmlTue, 21 Aug 2018 09:42:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-1396408494144153691 The OSI Model : OSI stands for Open System Interconnection .This is a standard model for networking protocols, developed by ISO (Industrial standard Organization) in 1984. OSI is standard for worldwide communications that defines a networking framework for implementing protocols in seven layers . Control is passed from one layer to the next, starting at the application layer in one 0gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2018/08/basic-networkingpart-3-topologies.htmlTue, 21 Aug 2018 09:35:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-2855982920468585109 Network topologies Topology refers to the way the networked computers and resources are connected physically. Five mostly used topologies are BUS, RING, STAR, MESH, and TREE BUS Topology In BUS Topology all the devices are connected to a single central cable called as BUS or Backbone. Below diagram is the visual example for BUS topology of a simple network. source: Wikipedia All 2gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2018/08/registry-tweaks-for-xp.htmlTue, 21 Aug 2018 09:20:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-5444600647306731026 Most of the settings in xp can change easily. But sometimes we need to modify registry to change some settings. Here I am giving some registry tweaks for xp .To open registry editor go to start–>RUN –>type regedit and press enter Hide an User account from logon screen This tweak allows an account that is normally displayed on the Welcome screen to be hidden from view. 0gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2011/06/executing-java-program-without-main.htmlMon, 6 Jun 2011 18:11:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-2946009662650596512Did you get any doubt why main() is a must to run any java program ?? Can we run without main() method in java ?? , the answer is yes. WE CAN run the JAVA program without MAIN() method.Create a Class with any class name. Write a Static block and write the statements to execute.At the end of the static block give System.exit(0), to avoid the exception in thread main() no main() method found.Now 2gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2011/06/stop-auto-disk-checking-during-windows.htmlMon, 6 Jun 2011 14:46:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-2461588812082415643Due to improper shutdown, following message may appear on blue screen while starting up your windows xp system ” Checking file system on C: The type of the file system is NTFS. One of your disks needs to be checked for consistency. You may cancel the disk check, but it is strongly recommended that you continue. To skip disk checking, press any key within 10 seconds(s). ” If you press any key 0gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2011/06/basic-networking-terms.htmlMon, 6 Jun 2011 14:37:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-6554935629394708473Numeric 10base2: A thin coax network cable running at 10 Mbps speed 10base5: A thick coax network cable running at 10 Mbps speed 10baseT: Ethernet running on UTP (unshielded twisted pair) cable at 10 Mbps speed 100baseTX: Ethernet running on UTP (unshielded twisted pair) cable at 100 Mbps speed A ADSL (Asymmetric Digital Subscriber Line) These are the modems attached to twisted pair copper 3gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2011/06/useful-run-commands.htmlMon, 6 Jun 2011 14:12:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-131701421377492898Basic run commands to access applications. Press Win+R or go to start–> RUN to open RUN window. Windows Root Directory %windir% Windows Root Drive %systemdrive% Home Directory %homepath% Shared Home Directory %homeshare% Application Data Folder %appdata% Home Directory Drive %homedrive% Temporary Folder %temp% Administrative Tools Administrative Tools control 0gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2011/06/important-dos-commands-in-xp.htmlMon, 6 Jun 2011 14:08:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-3686752352831646343command Description ipconfig /all Display IP Configuration ipconfig /displaydns Display DNS Cache ipconfig /flushdns Delete DNS Cache ipconfig /release Release All Connections ipconfig /renew Renew All Connections ipconfig /registerdns Refreshes DHCP & Registers DNS ipconfig /showclassid Display DHCP Class ID ipconfig /setclassid Modifies DHCP Class ID systeminfo Displays 0gadikotamohan@hotmail.com (Gadikota Mohan)http://gadikotamohan.blogspot.com/2011/06/hiding-files-in-picture.htmlMon, 6 Jun 2011 14:01:00 +0530tag:blogger.com,1999:blog-1155374692517303995.post-403888192616639775 Consider a situation where a data is to be hidden, it may be media files(.mp4,.avi etc ) or a text file (.doc,.docx,.pptx,.ppt .. etc) from your friends or someone else. In this situation there is a way to hide files in jpeg file. Follow the steps stated below : Locate a file or folder which has to be hidden. Compress that file or folder with WinRAR or any compressing softwares.(note the 0gadikotamohan@hotmail.com (Gadikota Mohan)