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Input and Output Devices – 1 – 4

16. The OCR is used for the preparation of :

(a) electricity bills
(b) insurance premium
(c) telephone bills
(d) All of the above

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

17. Which of these is a pointing and drop device ?

(a) Mouse
(b) Scanner
(c) Printer
(d) CD-ROM

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

18. A joystick is primarily used to/for :

(a) control sound on the screen
(b) computer gaming
(c) enter text
(d) draw pictures

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

19. A bar code reader is an example of :

(a) processing device
(b) storage device
(c) input device
(d) output device

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

20. The pattern of printed lines on most products are called :

(a) prices
(b) OCR
(c) scanners
(d) bar codes

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

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