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

Laser beam technology is used for

Question # 2

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

Question # 3

The mechanism for reading or writing data in a disk is called

Question # 4

The disk storage that uses both a magnet and laser beam.

Question # 5

The mechanism for reading or writing data in a disk is called a(n).

Question # 6

To send data, instruction and information you need a

Question # 7

Computer output produced as small film images is called

Question # 8

Data is transmitted character by character in

Question # 9

Following devices are used in simplex mode

Question # 10

Which of the following does not support I/O devices

Question # 11

Which is not beneficial of secondary storage

Question # 12

Word is 16 bits is

Question # 13

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

Question # 14

Which input device is often attached to laptop computers.

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 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
2 Frequency is measured in
A. Channels
B. Hertz
C. Bandwidth
D. Baud
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 way of physically organizing data on a disk pack to minimize seek time uses.
A. sequential file
B. removable hard
C. the cylinder method
D. Winchester technology
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 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
7 The speed at which a disk can find data being bought is called
A. access time
B. data transfer rate
C. direct time
D. cylinder time
8 All of the following are Guided Communication media except
A. Fiber-Optic Cable
B. Wire Cable
C. Coaxial Cable
D. Satellite-based , Microwave communication
9 The CRT technology with the best resolution.
A. MICR
B. VGA
C. SVGA
D. LCD
10 A disk pack within a selected data module is a
A. backup unit
B. Winchester
C. diskette
D. Cd-Rom

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