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

A one color screen on a black background is called

Question # 2

To send data, instruction and information you need a

Question # 3

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

Question # 4

Voice input device convert voice input to

Question # 5

A disk pack withing a sealed data module is a.

Question # 6

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

Question # 7

An example of peripheral equipment

Question # 8

Microwave and Communication Satellite are example of

Question # 9

The concept of using several small disk packs that work together as a unit is

Question # 10

A magnetize spot represent

Question # 11

Personal computer users may wish to increase their hard disk storage capacity with.

Question # 12

A magnetized spot represents.

Question # 13

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

Question # 14

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

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 Communication between a computer and keyboard involes __________ transmission.
A. Half duplex
B. Full-duplex
C. Simplex
D. Automatic
2 Shift of 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
3 Word is 16 bits is
A. 65536
B. 64526
C. 32526
D. 34526
4 Computer output produced as small film images is called
A. LCD
B. COM
C. OMR
D. OCR
5 Laser beam technology is used for
A. terminals
B. optical disk
C. keyboard
D. magnetic tape
6 The equipment attached to CPU which computer can access are called.
A. hardware
B. input/output devices
C. peripherals
D. computer components
7 Voice input device convert voice input to
A. digital code
B. OCR-A
C. bar codes
D. optical marks
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 color screen with the best resolution has the most.
A. CRT
B. VGA
C. COM
D. pixel
10 A device that inputs data by scanning letters and number is a
A. keyboard
B. wand reader
C. mouse
D. diskette

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