The document defines various computer and IT terms, including that Microsoft Excel is appropriate for calculating, LASER stands for Light Amplification by Stimulated Emission of Radiation, and a complete microcomputer system includes a microprocessor, memory, and peripheral equipment. It also provides definitions for Windows, computer networking, system software, main memory, BSIC, telemedicine, a monitor, Facebook, OCR, computer viruses, common printers, computer storage devices, Bill Gates as a legend of computing, the meaning of "CC" in emails, the origin of the word "computer," that Adobe Photoshop is graphics software, and that the first computer network was ARPANET.

1. Basic Question and Answer on Computer, Internet and Information
Technology
 Q.What is the most appropriate software for calculating in computer?
Ans :Microsoft Excel
 What is meant by ‘LASER’?
Ans: Light Amplification by Stimulated Emission of Radiation.
 A complete Microcomputer system includes ?
Ans: Microprocessor, memory, peripheral equipment.
 What is Windows?
Ans: A personal computer operating system from Microsoft.
 What is computer networking?
Ans: A system in which computers are connected to share information and resources.
 What does ‘System Software’ Includes?
Ans: The operating system and all the utilities that enable the computer to function.
 What is the other name of ‘Main Memory’?
Ans: Primary Memory
 What is full form of BSIC?
Ans: Beginner’s All-purpose Symbolic Instruction Code.
 What is Telemedicine?
Ans: A process of treatment through communication technologies.
 Who is the inventor of punch card?
Ans: Joseph Marie Jacquard
 What kind of device is Monitor?
Ans: Output device
 What is ‘facebook’?
Ans: A popular Social networking site
 What is ‘OCR’?
Ans: OCR (Optical Character Recognition) is a computer software designed to translate image
of type written test.
 What is Computer Virus?
Ans: One kind of program, which is harmful to computer operation.
 Two types of commonly used printers are?
Ans: Dot Matrix printer and Laser printer
 Write the name of different computer storage device.
Ans. Hard disk, Floppy disk, Compact disk
 Who is the legend of computer world?
Ans: Bill Gates
 What is the meaning of ‘CC’ in case of E-mail?
Ans: Carbon Copy
 The word ‘Computer’ is derived from?
Ans: Compute
 Adobe Photoshop is a – Graphics Software
 What is the name of the first Computer Network?
Ans: ARPANET (Advanced Research Projects Administration Network)