ECAT Pre Computer Science MCQ Test For Computer Chapter 3 With Answer

MCQ's Test For ECAT Computer Science Chapter 3 The Peripheral Devices

Try The MCQ's Test For ECAT Computer Science Chapter 3 The Peripheral Devices

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ECAT Computer Science Chapter 3 The Peripheral Devices

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Question # 1

A storage medium which cannot support both direct-access and sequential-access application is.

Question # 2

If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to

Question # 3

The mechanism for reading or writing data in a disk is called

Question # 4

All of the following are Guided Communication media except

Question # 5

DASD refers to.

Question # 6

Microwave and Communication Satellite are example of

Question # 7

The equipment attached to CPU which computer can access are called

Question # 8

Records stored on a Direct Access storage device.

Question # 9

A magnetized spot represents

Question # 10

A one-color screen on a black background is called.

Question # 11

The disk storage that use both magnet and laser beam

Question # 12

Data is transmitted character by character in

Question # 13

The CRT technology with the best resolution.

Question # 14

A bar code reader is an example of a(n).

Question # 15

The major disadvantage of magnetic tapes is.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 To most commonly used output device today is a.
A. CRT monitor
B. keyboard
C. mouse
D. card punch
2 Computer output produced as small film images is called
A. OCR
B. OMR
C. COM
D. LCD
3 The voice channel has a bandwidth of
A. 0 - 2 KHz
B. 0 - 4 KHz
C. 5 - 10 KHz
D. 10 - 20 KHz
4 DASD refers to.
A. disk storage
B. track
C. tape storage
D. sorting
5 To send data, instruction and information you need a
A. Sending device
B. Receiving device
C. Channel device
D. Communication signal
6 If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.
A. CPU
B. disk
C. CRT
D. printer
7 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks
8 Computer output produced as small film images is called.
A. OCR
B. COM
C. LCD
D. OMR
9 The cursor can be moved rolling this devices on a flat surface:
A. mouse
B. trackball
C. want reader
D. interactive tablet
10 Frequency is measured in
A. Channels
B. Hertz
C. Bandwidth
D. Baud

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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