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 that inputs data by scanning letters and numbers is a.

Question # 2

Voice input device convert voice input to

Question # 3

The cursor can be moved rolling this device on a flat surface.

Question # 4

A color screen with the best resolution

Question # 5

Records stored on a Direct Access storage device.

Question # 6

To most commonly used output device today is a.

Question # 7

Personal computer users may wish to increase their hard disk storage capacity with.

Question # 8

An example of peripheral devices

Question # 9

Shift of register by one bit to left in binary code is equivalent to

Question # 10

A hard disk can be backed up efficiently using.

Question # 11

Microwave and Communication Satellite are example of

Question # 12

The most common storage devices in a computer system are.

Question # 13

The disk storage that uses both a magnet and laser beam.

Question # 14

A magnetized spot represents.

Question # 15

A magnetize spot represent

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 The ___________ is the physical path over which a message travels.
A. Single
B. Double
C. Protocol
D. Medium
2 A pictorial screen symbol that represents a computer activity is called a(n).
A. pointer
B. touch screen
C. icon
D. MICR
3 The mechanism for reading or writing data in a disk is called a(n).
A. track
B. rotational delay
C. seek time
D. access arm
4 A device used for optical-character recognition is a.
A. wand reader
B. light pen
C. mouse
D. MICR reader
5 Assigning more sector to outer hard disk is called
A. data transfer
B. randomizing
C. sectoring
D. zone recording
6 In a computer system, which of the following has largest number of mechanical components and thus most unreliable.
A. magnetic tape
B. magnetic drum
C. floppy disk
D. printer
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 Imaging used what devices to input data?
A. scanner
B. barcode reader
C. icon
D. tablet
9 The time require 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
10 Voice input device convert voice input to
A. digital code
B. OCR-A
C. bar codes
D. optical marks

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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