Pakistan study notes for Matric, Intermediate, B.A, B.COM BSC, M.A, BCS. Free Pakistani Urdu educational school, colleges and University notes.

INPUT/ OUTPUT DEVICES – SOLVED EXERCISE

SOLVED EXERCISE

Answer the following questions:

Q.1. What do you mean by pointing input devices? Write some examples of such devices.

Ans. See Q. No. 3

Q.2.What is the difference between Hardcopy and softcopy?

Ans. See Q.No.16

Q3.What is the use of Cursor Movement keys in a keyboard?

Ans. See Q.No.2

Q.4.What is the Major difference between Mouse and Trackball?

Ans. See Q.No.4

Q.5. Define different types of scanners.

Ans. Sec Q.No.5

Q.b. What is the difference between impact and non-impact printers?

Ans. Sec Q.No.11

Q.6.Which device is used as an input device as well as output device? Define it in detail.

Ans. Set Q.No.14

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