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 set raw, unprocessed facts, figures and symbols is called

Question # 2

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

Question # 3

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

Question # 4

The most common storage devices in a computer system are.

Question # 5

If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to

Question # 6

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

Question # 7

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

Question # 8

A disk pack withing a sealed data module is a.

Question # 9

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

Question # 10

Assigning more sectors to outer disk tracks is called.

Question # 11

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

Question # 12

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

Question # 13

The voice channel has a bandwidth of

Question # 14

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

Question # 15

The equipment attached to CPU which computer can access are called.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Internal modem is connected to
A. DCE cable
B. RJ 45 cable
C. RS 232 serial port
D. DTE cable
2 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
3 The equipment attached to CPU which computer can access are called.
A. hardware
B. input/output devices
C. peripherals
D. computer components
4 Data transmission speed of wire pair is
A. 9600 bps
B. 9500 bps
C. 3600 bps
D. 3500 bps
5 A storage medium which can not support both direct access and sequential access application is
A.
magnetic drum
B. hard disk
C. magnetic tape
D. floppy disk
6 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
7 A magnetized spot represents
A. cpi
B. MB
C. 0 bit
D. 1 bit
8 A magnetized spot represents.
A. cpi
B. MB
C. 0 bit
D. 1 bit
9 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
10 A one-color screen on a black background is called.
A. monochrome
B. addressable
C. blank
D. liquid crystal display

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