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

Microwave and Communication Satellite are example of

Question # 2

A color screen with the best resolution has the most.

Question # 3

Computer output produced as small film images is called.

Question # 4

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

Question # 5

The most common storage devices in a computer system are.

Question # 6

A graph prepared by a computer.

Question # 7

Assigning more sectors to outer disk tracks is called.

Question # 8

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

Question # 9

A hard disk can be backed up efficiently using.

Question # 10

An example of peripheral devices

Question # 11

Internal modem is connected to

Question # 12

Another word for printer.

Question # 13

Records stored on a Direct Access storage device.

Question # 14

A device used for optical character recognition is

Question # 15

A magnetized spot represents.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks
2 A device that inputs data by scanning letters and numbers is a.
A. keyboard
B. wand reader
C. mouse
D. diskette
3 Analog signal is measured in
A. Volts
B. Pulses
C. Hertz
D. WATTS
4 A storage medium which can not support both direct access and sequential access application is
A.
magnetic drum
B. hard disk
C. magnetic tape
D. floppy disk
5 A color screen with the best resolution has the most.
A. CRT
B. VGA
C. COM
D. pixel
6 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
7 The cursor can be moved rolling this devices on a flat surface:
A. mouse
B. trackball
C. want reader
D. interactive tablet
8 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
9 The mechanism for reading or writing data in a disk is called
A. track
B. access arm
C. seek time
D. rorational delay
10 The equipment attached to CPU which computer can access are called
A. input output devices
B. peripherals
C. computer components
D. Hardware

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