Previous Year SSC Computer Awareness MCQ Set – 3
21. The most common input device used today is [Uttarakhand PCS (Pre) 2006]
A. Trackball
B. Scanner
C. Mouse
D. None of these
Answer – C. Mouse
Explanation-
22. Which among the following is a distinctive feature by which a CD ROM drive is classified in a personal computer? [SSC Section Officer (Audit) 2003]
A. Software bundle
B. Data transfer rate
C. Memory capacity
D. Storage period
Answer – B. Data transfer rate
Explanation-
23. Who among the following developed the World Wide Web (WWW), which gave a new type of information exhibition? [SSC Section Officer (Audit) 2003]
A. Bob Cohen
B. Tim Berners-Lee
C. Robert Morris Jr.
D. Michel Derstuses
Answer –B. Tim Berners-Lee
Explanation-
24. The body of the mouse used in computers was designed about 40 years back. Then, it was made of [UP UDA/LDA (Mains) 2010]
A. Aluminium
B. Plastic
C. Steel
D. Wood
Answer – D. Wood
Explanation-
25. What is ‘Teletext’ ? [SSC CGL Prelim 2004]
A. Flashing of a telephone conversation on the TV screen.
B. Printing the text of the message on the telex machine.
C. Connecting the local telephone with outstation telephones without STD codes.
D. Flashing of the text of news and information on the TV screen
Answer – D. Flashing of the text of news and information on the TV screen
Explanation-
26. After the double click of the mouse, the information goes to [UP Lower Sub. (Mains) 2013]
A. Documents
B. Video Gard
C. C.P.U.
D. Hard Drive
Answer – C. C.P.U.
Explanation-
27. Processing of a data file to reduce its size for storage on disk is termed : [SSC CGL Prelim 2004]
A. Amplification
B. Reduction
C. Compression
D. Rarefaction
Answer – C. Compression
Explanation-
28. In which port do you plug in the cable of your keyboard? [UP Lower Sub. (Mains) 2015]
A. VGA Port
B. Ethernet Port
C. USB Port
D. Sanpedro Port
Answer – C. USB Port
Explanation-
29. A network of networks is simply called [Uttarakhand PCS (Pre) 2010]
A. Extranet
B. Intranet
C. Webnet
D. Internet
Answer – D. Internet
Explanation-
30. Which of the following mobile telephone networks is not based on GSM technology? [SSC CGL Prelim 2004]
A. Idea
B. BPL Mobile
C. Airtel
D. Reliance Infocomm
Answer – D. Reliance Infocomm
Explanation-