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 color screen with the best resolution

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Assigning more sector to outer hard disk is called

Question # 6

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

Question # 7

A magnetized spot represents.

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

A device used for optical-character recognition is a.

Question # 12

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

Question # 13

A way of physically organizing data on a disk pack to minimize seek time uses.

Question # 14

Computer output produced as small film images is called.

Question # 15

Communication between a computer and keyboard involes __________ transmission.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 To concept of using several small disk packs that work together as a unit is.
A. CD-ROM
B. RAID
C. WORM
D. OMR
3 Which input device is often attached to laptop computers.
A. trackball
B. inscriber
C. graphics display
D. wand reader
4 A digital computer system consists of a central processing unit (CPU) interfaced with.
A. input devices
B. auxilary storage
C. output devices
D. all of the above
5 A set raw, unprocessed facts, figures and symbols is called
A. Information
B. Data
C. Instruction
D. Code
6 DASD refers to.
A. disk storage
B. track
C. tape storage
D. sorting
7 Shift of a 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
8 Which of the following does not support I/O devices
A. speaker
B. OCR
C. joystick
D. ALU
9 Frequency is measured in
A. Channels
B. Hertz
C. Bandwidth
D. Baud
10 A magnetized spot represents.
A. cpi
B. MB
C. 0 bit
D. 1 bit

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