Which one of the following is correct definition of Wide Area Network (WAN)?

1) It is a programming language with strong abstraction from the details of the computer.

2) It is a collection of computers interconnected with each other through cables to share their data, information and other common hardware resources.

3) A computer network that covers a broad area (i.e., any network, whose communications links cross metropolitan, regional or national boundaries).

4) Computer network covering a small physical area like a home, office or small groups of buildings, such as a school or an airport.

Windows is an example of which of the following ?

1) Operating System

2) Hardware

3) Active Desktop

4) None of the above

Windows is an example of which of the following ?

1) Operating System

2) Hardware

3) Active Desktop

4) None of the above

Which of the following is an Application Software ?

1) Compiler

2) Operating System

3) MS-Office

4) None of the above

Which of the following is an input device?

1) Plotter

2) Printer

3) Monitor

4) Scanner

Which of the following is an antivirus software?

1) JAVA

2) Tally

3) Norton

4) None of the above

The software, which allows you to view the webpage, is called -

1) Website

2) Web Browser

3) Interpreter

4) Operating System

Which of the following is not an output device?

1) Plotter

2) Printer

3) Monitor

4) Scanner

In fiber-optics, the signal source is -

1) Light waves

2) Sound waves

3) a-rays

4) Cosmic rays

The service of the Internet that provides audio and video conversation, is called -

1) chat

2) e-mail

3) video conferencing

4) video chat

Who is the inventor of www?

1) Bill Gates

2) Tim Berners-Lee

3) Timothy Bil

4) Ray Tomlinson