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

Analog signal is measured in

Question # 2

Frequency is measured in

Question # 3

Which input device is often attached to laptop computers.

Question # 4

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

Question # 5

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

Question # 6

Assigning more sectors to outer disk tracks is called.

Question # 7

The CRT technology with the best resolution.

Question # 8

CD-ROM has the same format as

Question # 9

The disk storage that use both magnet and laser beam

Question # 10

The time required for the access arm to get into position over a particular track is

Question # 11

Imaging used what device to input data.?

Question # 12

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

Question # 13

Another word for printer.

Question # 14

A graph prepared by a computer.

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 A pictorial screen symbol that represents a computer activity is called a(n).
A. pointer
B. touch screen
C. icon
D. MICR
2 Assigning more sector to outer hard disk is called
A. data transfer
B. randomizing
C. sectoring
D. zone recording
3 A device used for optical-character recognition is a.
A. wand reader
B. light pen
C. mouse
D. MICR reader
4 The disk storage that use both magnet and laser beam
A. hashing
B. magneto optical
C. CD-ROM
D. WORM
5 A disk pack within a selected data module is a
A. backup unit
B. Winchester
C. diskette
D. Cd-Rom
6 Microwave and Communication Satellite are example of
A. Guided
B. Un-guided
C. Simplex
D. Router
7 Which input device is often attached to laptop computers.
A. trackball
B. inscriber
C. graphics display
D. wand reader
8 A way of physically organizing data on a disk pack to minimize seek time uses.
A. sequential file
B. removable hard
C. the cylinder method
D. Winchester technology
9 A device that inputs data by scanning letters and number is a
A. keyboard
B. wand reader
C. mouse
D. diskette
10 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

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