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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Data transmission speed of wire pair is

Question # 6

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

Question # 7

A digital computer system consists of a central processing unit (CPU) interfaced with.

Question # 8

Imaging used what device to input data.?

Question # 9

A device used for optical character recognition is

Question # 10

Assigning more sector to outer hard disk is called

Question # 11

Word is 16 bits is

Question # 12

Communication between a computer and keyboard involes __________ transmission.

Question # 13

The disk storage that use both magnet and laser beam

Question # 14

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

Question # 15

A disk pack within a selected data module is a

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which input device is often attached to laptop computers:
A. trackball
B. inscriber
C. wand reader
D. graphic display
2 The mechanism for reading or writing data in a disk is called
A. access arm
B. rorational delay
C. seek time
D. track
3 Which input device is often attached to laptop computers.
A. trackball
B. inscriber
C. graphics display
D. wand reader
4 Computer output produced as small film images is called
A. LCD
B. COM
C. OMR
D. OCR
5 Coaxial and fiber cables are examples of media
A. Guided
B. Router
C. Un-guided
D. Simplex
6 Abother word for printer
A. monochrome
B. microfiche `
C. pixel
D. cursos
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 The encoding scheme of data represent as
A. EBCDIC code
B. ASCII code
C. Unicode
D. All of the above
9 Assigning more sector to outer hard disk is called
A. zone recording
B. randomizing
C. sectoring
D. data transfer
10 Which of the following does not support I/O devices
A. speaker
B. OCR
C. joystick
D. ALU

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