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

All of the following are Guided Communication media except

Question # 2

The CRT technology with the best resolution.

Question # 3

Following devices are used in simplex mode

Question # 4

A magnetize spot represent

Question # 5

To concept of using several small disk packs that work together as a unit is.

Question # 6

A digital computer system consists of a central processing unit interfaced with

Question # 7

Which of the following does not support I/O devices

Question # 8

A pictorial screen symbol that represent a computer activity is called

Question # 9

A device used for optical-character recognition is a.

Question # 10

Soft copy refers to

Question # 11

The concept of using several small disk packs that work together as a unit is

Question # 12

A set raw, unprocessed facts, figures and symbols is called

Question # 13

Computer output produced as small film images is called

Question # 14

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

Question # 15

A disk pack withing a sealed data module is a.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Data us transmitted block by block in
A. Asynchronous mode
B. Synchronous mode
C. Communication mode
D. Satellite mode
2 The speed with which a disk can find data being bought is called.
A. access time
B. data transfer time
C. direct time
D. cylinder time
3 DASD refers to
A. disk storage
B. track
C. tape storage
D. sorting
4 The cursor can be moved rolling this device on a flat surface.
A. mouse
B. wand reader
C. trackball
D. interactive tablet
5 The major disadvantage of magnetic tapes is.
A. cost
B. unreliability of store data
C. slow data recording
D. data is to be accessed sequentially
6 In a computer system,which of the following has largest number of mechanical components and thus most unreliable :
A. magnetic disk
B. magnetic drum
C. floppy disk
D. printer
7 Following devices are used in simplex mode
A. Radio
B. Television
C. a , b
D. Multiplexers
8 Soft copy refers to
A. OCR-A
B. screen output
C. microfiche
D. digitizing
9 A hard disk can be backed up efficiently using.
A. WORM
B. a transaction file
C. a tape backup system
D. zoning
10 The most commonly used character code/s transmission is/are
A. EBCDIC
B. ASCII
C. both EBCDIC and ASCII
D. nethier EBCDIC and ASCII

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