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

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 that inputs data by scanning letters and number is a

Question # 2

A magnetize spot represent

Question # 3

The equipment attached to CPU which computer can access are called

Question # 4

The CRT technology with the best resolution.

Question # 5

DASD refers to

Question # 6

A computer that accepts handwritten input on a screen.

Question # 7

CD-ROM has the same format as

Question # 8

Imaging used what devices to input data?

Question # 9

A device used for optical character recognition is

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

The most commonly used output devices in a computer system are

Question # 15

Soft copy refers to.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 A hard disk can be backed up efficiently using.
A. WORM
B. a transaction file
C. a tape backup system
D. zoning
2 A magnetized spot represents.
A. cpi
B. MB
C. 0 bit
D. 1 bit
3 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
4 The time required for the access arm to get into position over a particular track is
A. rotational delay
B. data transfer
C. seek time
D. head switching
5 Soft copy refers to.
A. OCR-A
B. screen output
C. microfiche
D. digitizing
6 All of the following are Guided Communication media except
A. Fiber-Optic Cable
B. Wire Cable
C. Coaxial Cable
D. Satellite-based , Microwave communication
7 A device that inputs data by scanning letters and numbers is a.
A. keyboard
B. wand reader
C. mouse
D. diskette
8 Computer output produced as small film images is called.
A. OCR
B. COM
C. LCD
D. OMR
9 A one color screen on a black background is called
A. monochrome
B. addressable
C. blank
D. lcd
10 A disk pack withing a sealed data module is a.
A. Backup unit
B. Winchester
C. diskette
D. CD-ROM

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