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 withing a sealed data module is a.

Question # 3

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

Question # 4

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

Question # 5

To send data, instruction and information you need a

Question # 6

CD-ROM has the same format as

Question # 7

Assigning more sectors to outer disk tracks is called.

Question # 8

The cursor can be moved rolling this devices on a flat surface:

Question # 9

A one color screen on a black background is called

Question # 10

A magnetize spot represent

Question # 11

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

Question # 12

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

Question # 13

The equipment attached to CPU which computer can access are called

Question # 14

A pictorial screen symbol that represent a computer activity is called

Question # 15

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

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Analog signal is measured in
A. Volts
B. Pulses
C. Hertz
D. WATTS
2 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
3 The ability to return a changed disk record to its original location is called.
A. magneto-optical
B. rotational delay
C. multimedia
D. updating in place
4 A pictorial screen symbol that represent a computer activity is called
A. pointer
B. touch screen
C. miicr
D. icon
5 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
6 A storage medium which cannot support both direct-access and sequential-access application is.
A. magnetic drum
B. hard disk
C. magnetic tape
D. floppy disk
7 In a computer system, which of the following has largest number of mechanical components and thus most unreliable.
A. magnetic tape
B. magnetic drum
C. floppy disk
D. printer
8 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
9 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
10 A hard disk can be backed up efficiently using.
A. WORM
B. a transaction file
C. a tape backup system
D. zoning

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