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

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ECAT Computer Science Chapter 3 The Peripheral Devices

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Question # 1

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

Question # 2

A disk pack within a selected data module is a

Question # 3

Data is transmitted character by character in

Question # 4

To most commonly used output device today is a.

Question # 5

The disk storage that use both magnet and laser beam

Question # 6

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

Question # 7

A pictorial screen symbol that represent a computer activity is called

Question # 8

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

Question # 9

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

Question # 10

A storage medium which can not support both direct access and sequential access application is

Question # 11

A digital computer system consists of a central processing unit interfaced with

Question # 12

Voice input devices convert voice input to.

Question # 13

Word is 16 bits is

Question # 14

Which input device is often attached to laptop computers:

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 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
2 The equipment attached to CPU which computer can access are called.
A. hardware
B. input/output devices
C. peripherals
D. computer components
3 Laser beam technology is used for.
A. terminals
B. optical disk
C. keyboards
D. magnetic tape
4 A device that inputs data by scanning letters and numbers is a.
A. keyboard
B. wand reader
C. mouse
D. diskette
5 A device used for optical character recognition is
A. wand reader
B. light pen
C. mouse
D. micr reader
6 CD-ROM has the same format as
A. DAT
B. diskette
C. audio compact disk
D. backup tape
7 The mechanism for reading or writing data in a disk is called
A. access arm
B. rorational delay
C. seek time
D. track
8 The CRT technology with the best resolution.
A. MICR
B. VGA
C. SVGA
D. LCD
9 Data us transmitted block by block in
A. Asynchronous mode
B. Synchronous mode
C. Communication mode
D. Satellite mode
10 Records stored on a Direct Access storage device.
A. must be read in a specific order
B. must be read in groups
C. must be read directly
D. must be read sequentially or directly

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  • muhammad awais

    muhammad awais

    27 Oct 2018

    please find computer science mcqs

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