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

Data is transmitted character by character in

Question # 2

Assigning more sectors to outer disk tracks is called.

Question # 3

A device used for optical character recognition is

Question # 4

Following devices are used in simplex mode

Question # 5

Records stored on a Direct Access storage device.

Question # 6

The speed with which a disk can find data being bought is called.

Question # 7

The cursor can be moved rolling this device on a flat surface.

Question # 8

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

Question # 9

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

Question # 10

The ability to return a change disk record to its original location is called

Question # 11

The encoding scheme of data represent as

Question # 12

A one-color screen on a black background is called.

Question # 13

Voice input devices convert voice input to.

Question # 14

CD-ROM has the same format as

Question # 15

Internal modem is connected to

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 Imaging used what devices to input data?
A. scanner
B. barcode reader
C. icon
D. tablet
3 Imaging used what device to input data.?
A. scanner
B. icon
C. bar code reader
D. tablet
4 Data transmission speed of wire pair is
A. 9600 bps
B. 9500 bps
C. 3600 bps
D. 3500 bps
5 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
6 If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.
A. CPU
B. disk
C. CRT
D. printer
7 Analog signal is measured in
A. Volts
B. Pulses
C. Hertz
D. WATTS
8 A graph prepared by a computer.
A. Is its output
B. Is the piece of information to user
C. Is a hard copy
D. All of the above
9 The ___________ is the physical path over which a message travels.
A. Single
B. Double
C. Protocol
D. Medium
10 An arrangement in which data is transmitted in both directions at a time is called
A. Simplex
B. Full duplex
C. Half duplex
D. Multi-duplex

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