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 device used for optical character recognition is

Question # 2

The cursor can be moved rolling this devices on a flat surface:

Question # 3

The disk storage that use both magnet and laser beam

Question # 4

The equipment attached to CPU which computer can access are called.

Question # 5

An arrangement in which data is transmitted in both directions at a time is called

Question # 6

DASD refers to.

Question # 7

The time required for the access arm to get into position over a particular track is

Question # 8

The most commonly used character code/s transmission is/are

Question # 9

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

Question # 10

In a computer system,which of the following has largest number of mechanical components and thus most unreliable :

Question # 11

CD-ROM has the same format as

Question # 12

A digital computer system consists of a central processing unit (CPU) interfaced with.

Question # 13

The ___________ is the physical path over which a message travels.

Question # 14

A device used for optical-character recognition is a.

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Personal computer user may wish to increase their hard disk storage capacity with
A. higher density
B. DAT
C. read only media
D. removable hard disk cartridge.
2 A pictorial screen symbol that represent a computer activity is called
A. touch screen
B. icon
C. miicr
D. pointer
3 An example of peripheral devices
A. CPU
B. Printer
C. Spreadsheet
D. microcomputer
4 The most commonly used output devices in a computer system are
A. printers and monitors
B. disk drives and printers
C. disk drive and tape drives
D. tape drive and keyboards
5 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
6 The ability to return a change disk record to its original location is called
A. magneto optical
B. rotational delay
C. updating in place
D. multimedia
7 The voice channel has a bandwidth of
A. 0 - 2 KHz
B. 0 - 4 KHz
C. 5 - 10 KHz
D. 10 - 20 KHz
8 A magnetize spot represent
A. CPI
B. MB
C. 0 bit
D. 1 bit
9 Soft copy refers to
A. OCR-A
B. screen output
C. microfiche
D. digitizing
10 A color screen with the best resolution has the most.
A. CRT
B. VGA
C. COM
D. pixel

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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