Computer Questions and Answers - Computer GK for Competitive Exams

Computer Questions and Answers - Computer Awareness GK:

Q.9 Which section of a synchronous modem contains the scrambler?

(A) Terminal section

(B) Receiver section

(C) Control section

(D) Transmission section

Q.10 The synchronous modems are more expensive than the asynchronous modems because….

(A) they must contain clock recovery circuits

(B) production volume is larger

(C) they must operate on a larger bandwidth

(D) They are larger

Q.11 Which printer is a non-impact printer that can produce very high quality, letter-perfect printing?

(A) dot matrix printer

(B) daisy wheel printer

(C) electrostatic printer

(D) laser printer

Q.12 The POS data entry system is used must extensively by ……

(A) banking industry

(B) grocery industry

(C) railroad industry

(D) word-processing industry

Q.13 A disadvantage of the laser printer is that ………

(A) it is quieter than an impact printer

(B) it is very slow

(C) output is of a lower quality

(D) none of these

Q.14 Data entry can be performed with all of the following except?

(A) OCR

(B) OMR

(C) COM

(D) MICR

Q.15 Magnetic tape can serve as ……

(A) input media

(B) output media

(C) secondary storage media

(D) all of these

16. The word bandwidth is also used to mean ________?

A. width of the data cable
B. number of the computers on a particular network
C. amount of data transferred
D. None of these

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