ECAT Pre Computer Science MCQ Test For Computer Chapter 3 With Answer

MCQ's Test For ECAT Computer Science Chapter 3 The Peripheral Devices

Try The MCQ's Test For ECAT Computer Science Chapter 3 The Peripheral Devices

  • Total Questions15

  • Time Allowed15

ECAT Computer Science Chapter 3 The Peripheral Devices

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Question # 1

Frequency is measured in

Question # 2

The voice channel has a bandwidth of

Question # 3

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

Question # 4

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

Question # 5

The equipment attached to CPU which computer can access are called

Question # 6

Which of the following does not represent an I/O devices?

Question # 7

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

Question # 8

Computer output produced as small film images is called

Question # 9

The transfer of data from one place to another is called

Question # 10

Assigning more sector to outer hard disk is called

Question # 11

Data is transmitted character by character in

Question # 12

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

Question # 13

A magnetized spot represents.

Question # 14

The CRT technology with the best resolution.

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Imaging used what device to input data.?
A. scanner
B. icon
C. bar code reader
D. tablet
2 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
3 Internal modem is connected to
A. DCE cable
B. RJ 45 cable
C. RS 232 serial port
D. DTE cable
4 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
5 A magnetized spot represents
A. cpi
B. MB
C. 0 bit
D. 1 bit
6 Which of the following does not represent an I/O devices?
A. speaker
B. OCR
C. Joystick
D. ALU
7 Soft copy refers to
A. OCR-A
B. screen output
C. microfiche
D. digitizing
8 Imaging used what devices to input data?
A. scanner
B. barcode reader
C. icon
D. tablet
9 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
10 A device used for optical-character recognition is a.
A. wand reader
B. light pen
C. mouse
D. MICR reader

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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