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

To send data, instruction and information you need a

Question # 2

A graph prepared by a computer.

Question # 3

The voice channel has a bandwidth of

Question # 4

An example of peripheral devices

Question # 5

A disk pack within a selected data module is a

Question # 6

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

Question # 7

Assigning more sectors to outer disk tracks is called.

Question # 8

CD-ROM has the same format as a(n).

Question # 9

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

Question # 10

A pictorial screen symbol that represents a computer activity is called a(n).

Question # 11

Soft copy refers to.

Question # 12

The most commonly used output devices in a computer system are

Question # 13

DASD refers to

Question # 14

Which of the following does not support I/O devices

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Imaging used what device to input data.?
A. scanner
B. icon
C. bar code reader
D. tablet
2 Frequency is measured in
A. Channels
B. Hertz
C. Bandwidth
D. Baud
3 Laser beam technology is used for.
A. terminals
B. optical disk
C. keyboards
D. magnetic tape
4 Shift of register by one bit to left in binary code is equivalent to
A. addition of 2
B. subtraction of 2
C. division by 2
D. multiplication by 2
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 mechanism for reading or writing data in a disk is called
A. track
B. rorational delay
C. access arm
D. seek time
7 A device that inputs data by scanning letters and numbers is a.
A. keyboard
B. wand reader
C. mouse
D. diskette
8 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
9 Assigning more sector to outer hard disk is called
A. zone recording
B. randomizing
C. sectoring
D. data transfer
10 The disk storage that uses both a magnet and laser beam.
A. hashing
B. magneto-optical
C. CD-ROM
D. WORM

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