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 disk pack withing a sealed data module is a.

Question # 2

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

Question # 3

Frequency is measured in

Question # 4

Computer output produced as small film images is called

Question # 5

A color screen with the best resolution

Question # 6

Assigning more sector to outer hard disk is called

Question # 7

The major disadvantage of magnetic tapes is.

Question # 8

A storage medium which cannot support both direct-access and sequential-access application is.

Question # 9

Another word for printer.

Question # 10

Which input device is often attached to laptop computers.

Question # 11

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

Question # 12

The encoding scheme of data represent as

Question # 13

A disk pack within a selected data module is a

Question # 14

A hard disk can be backed up efficiently using.

Question # 15

The most commonly used output devices in a computer system are

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Imaging used what devices to input data?
A. scanner
B. barcode reader
C. icon
D. tablet
2 The mechanism for reading or writing data in a disk is called
A. access arm
B. rorational delay
C. seek time
D. track
3 The cursor can be moved rolling this device on a flat surface.
A. mouse
B. wand reader
C. trackball
D. interactive tablet
4 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
5 A digital computer system consists of a central processing unit interfaced with
A. input devices
B. auxiliary storage
C. output devices
D. all of above
6 CD-ROM has the same format as a(n).
A. backup tape
B. DAT
C. diskette
D. audio compact disk
7 Laser beam technology is used for.
A. terminals
B. optical disk
C. keyboards
D. magnetic tape
8 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
9 Shift of a 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 The concept of using several small disk packs that work together as a unit is
A. CD-ROM
B. RAID
C. WORM
D. OMR

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