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 one color screen on a black background is called

Question # 2

CD-ROM has the same format as

Question # 3

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

Question # 4

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

Question # 5

The encoding scheme of data represent as

Question # 6

Abother word for printer

Question # 7

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

Question # 8

Soft copy refers to

Question # 9

Data is transmitted character by character in

Question # 10

Assigning more sector to outer hard disk is called

Question # 11

Which of the following cable is comprised of two separate insulated copper wires that are twisted?

Question # 12

Which of the following does not represent an I/O devices?

Question # 13

Laser beam technology is used for

Question # 14

Coaxial and fiber cables are examples of media

Question # 15

A graph prepared by a computer.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 An arrangement in which data is transmitted in both directions at a time is called
A. Simplex
B. Full duplex
C. Half duplex
D. Multi-duplex
2 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
3 Following devices are used in simplex mode
A. Radio
B. Television
C. a , b
D. Multiplexers
4 Abother word for printer
A. monochrome
B. microfiche `
C. pixel
D. cursos
5 A device used for optical-character recognition is a.
A. wand reader
B. light pen
C. mouse
D. MICR reader
6 A hard disk can be backed up efficiently using.
A. WORM
B. a transaction file
C. a tape backup system
D. zoning
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. OMR
C. COM
D. LCD
9 A disk pack within a selected data module is a
A. backup unit
B. Winchester
C. diskette
D. Cd-Rom
10 To most commonly used output device today is a.
A. CRT monitor
B. keyboard
C. mouse
D. card punch

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