Previous Year SSC Computer Awareness MCQ Set-15
131. Optic fibres are used in place of wire cables because
A. they generate strong magnetic fields
B. they do not generate magnetic fields
C. they do not require boosting
D. they are more economical
Answer –B. they do not generate magnetic fields
Explanation-
132. Which of the following laser ray is used in laser printers? [UPPCS (Pre) 2009]
A. Dye laser
B. Semi-conductor laser
C. Excimer laser
D. Gas laser
Answer – B. Semi-conductor laser
Explanation-
133. Which printer is usually used for desktop printing? [Uttarakhand PCS (Mains) 2002]
A. Daisy wheel printer
B. Dot matrix printer
C. Laser printer
D. None of the above
Answer – C. Laser printer
Explanation-
134. The device that converts digital signals to analog signals at the start of long-distance transmissions is
A. peripheral
B. modem
C. telephone
D. antenna
Answer – B. modem
Explanation-
135. Daisy wheel printer is a type of [UP Lower Sub. (Mains) 2013]
A. Laser Printer
B. DOT Matrix Printer
C. Manual Printer
D. Impact Printer
Answer – D. Impact Printer
Explanation-
136. The name “modem” is derived from
A. modern demarkator
B. modulator demand
C. modern demodulator
D. modulator demodulator
Answer – D. modulator demodulator
Explanation-
137. WWW on the Internet stands for [Uttarakhand PCS (Pre) 2005
UPPCS (Mains) 2010]
A. Words, Words, Words
B. Wide World Words
C. World Wide Web
D. When Where Why
Answer – C. World Wide Web
Explanation-
138. Information Technology is the combination of
A. computing, business and communications
B. business, internet and software
C. microelectronics, computing and communications
D. data base management, communications and internet
Answer – D. data base management, communications and internet
Explanation-
139. Who among the following is considered as the inventor of the World Wide Web (WWW)? [MPPCS (Pre) 2013 UPPCS (Pre) 2011
IAS (Pre) 2007]
A. Edward Kasner
B. Bill Gates
C. Tim Berners Lee
D. Vinod Dham
Answer –C. Tim Berners Lee
Explanation-
140. World Wide Web (www) is a hypermedia system because; [Uttarakhand UDA/LDA (Mains) 2006]
A. It is hyper-fast
B. It links to other computer resources
C. It can be used only to bring in video material
D. None of the above
Answer –B. It links to other computer resources
Explanation-
