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

A device used for optical character recognition is

Question # 2

A magnetized spot represents

Question # 3

A graph prepared by a computer.

Question # 4

To send data, instruction and information you need a

Question # 5

Assigning more sectors to outer disk tracks is called.

Question # 6

A magnetize spot represent

Question # 7

Internal modem is connected to

Question # 8

A disk pack within a selected data module is a

Question # 9

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

Question # 10

Imaging used what devices to input data?

Question # 11

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

Question # 12

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

Question # 13

The encoding scheme of data represent as

Question # 14

Imaging used what device to input data.?

Question # 15

Which of the following does not support I/O devices

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Communication between a computer and keyboard involes __________ transmission.
A. Half duplex
B. Full-duplex
C. Simplex
D. Automatic
2 Which of the following does not support I/O devices
A. speaker
B. OCR
C. joystick
D. ALU
3 Coaxial and fiber cables are examples of media
A. Guided
B. Router
C. Un-guided
D. Simplex
4 A disk pack withing a sealed data module is a.
A. Backup unit
B. Winchester
C. diskette
D. CD-ROM
5 A color screen with the best resolution has the most.
A. CRT
B. VGA
C. COM
D. pixel
6 The ___________ is the physical path over which a message travels.
A. Single
B. Double
C. Protocol
D. Medium
7 Computer output produced as small film images is called.
A. OCR
B. COM
C. LCD
D. OMR
8 The most commonly used output devices in a computer system are
A. printers and monitors
B. disk drives and printers
C. disk drive and tape drives
D. tape drive and keyboards
9 A device that inputs data by scanning letters and number is a
A. keyboard
B. wand reader
C. mouse
D. diskette
10 Voice input devices convert voice input to.
A. digital code
B. OCR-A
C. bar codes
D. optical marks

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