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 digital computer system consists of a central processing unit interfaced with

Question # 2

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

Question # 3

A computer that accepts handwritten input on a screen.

Question # 4

Which input device is often attached to laptop computers:

Question # 5

Which input device is often attached to laptop computers.

Question # 6

DASD refers to.

Question # 7

A graph prepared by a computer.

Question # 8

Microwave and Communication Satellite are example of

Question # 9

Computer output produced as small film images is called.

Question # 10

Abother word for printer

Question # 11

Following devices are used in simplex mode

Question # 12

The major disadvantage of magnetic tapes is.

Question # 13

An example of peripheral equipment

Question # 14

The most commonly used character code/s transmission is/are

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 The equipment attached to CPU which computer can access are called.
A. hardware
B. input/output devices
C. peripherals
D. computer components
2 The disk storage that uses both a magnet and laser beam.
A. hashing
B. magneto-optical
C. CD-ROM
D. WORM
3 A graph prepared by a computer.
A. Is its output
B. Is the piece of information to user
C. Is a hard copy
D. All of the above
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 A magnetized spot represents
A. cpi
B. MB
C. 0 bit
D. 1 bit
6 The mechanism for reading or writing data in a disk is called
A. access arm
B. rorational delay
C. seek time
D. track
7 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks
8 Personal computer user may wish to increase their hard disk storage capacity with
A. higher density
B. DAT
C. read only media
D. removable hard disk cartridge.
9 A one color screen on a black background is called
A. monochrome
B. addressable
C. blank
D. lcd
10 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

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