Basic preparation of Computer Knowledge that Enhance your Learning and help You to Prepare Computer Test.

• The length of IP address is 32 bits
• Facebook was launched in 2004
• The docx file contains MS Office Word
• The file extension DLL stands for Dynamic Link Library
• The extension of a MS Access Database is .mdb
• The key combination used to permanently delete a file from Windows computer Shift + delete
• Shortcut Key to open a new document is Ctrl + N
• Data is permanently stored in Hard Disk
• We cannot upgrade a 32-bit version to a 64-bit version of Windows
• To change a lowercase letter to uppercase and uppercase letter to lowercase select We use Sentence Case
• CSS stands for in Computer Cascading Style Sheets
• The general format of the URL is as following type: // Address /path /
• The computer abbreviation “OS” stands for Operating System
• The shortcut key to delete a file without sending to recycle Bin is Shift + Del
• 15.Windows 8 has 3 versions for PC have been released
• A group of 8 bits is called Byte
• To subscript a text, shortcut key used in Microsoft Word is Ctrl + <
• The file extension .jsp stands for Java Server Page
• What is the full form of WWW World Wide Web
• The microphone converts the sound into Electrical Signals
• A device which connects multiple nodes to the network is known as Hub
• Windows 7 was released in 22 July 2009.
• Windows XP and Windows 7 is an Operating System
• ATM stands Automated Teller Machine
• Search Engine is used to find information on World Wide Web.
• “.gif” is an extension of Image file.
• Thomas J. Watson is the founder of IBM Company
• RAM is Computer Volatile Memory.
• When you delete an object, Windows Send it to Recycle Bin
• Christopher Latham Sho invented the Qwerty Keyboard.