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

Voice input device convert voice input to

Question # 2

The major disadvantage of magnetic tapes is.

Question # 3

Another word for printer.

Question # 4

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

Question # 5

A device used for optical character recognition is

Question # 6

Laser beam technology is used for

Question # 7

Imaging used what device to input data.?

Question # 8

The encoding scheme of data represent as

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

A device that inputs data by scanning letters and number is a

Question # 13

A pictorial screen symbol that represent a computer activity is called

Question # 14

All of the following are Guided Communication media except

Question # 15

Laser beam technology is used for.

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ECAT Computer Sciences Chapter 3 Important MCQ's

Sr.# Question Answer
1 Microwave and Communication Satellite are example of
A. Guided
B. Un-guided
C. Simplex
D. Router
2 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
3 In a computer system,which of the following has largest number of mechanical components and thus most unreliable :
A. magnetic disk
B. magnetic drum
C. floppy disk
D. printer
4 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
5 Laser beam technology is used for
A. terminals
B. optical disk
C. keyboard
D. magnetic tape
6 A computer that accepts handwritten input on a screen.
A. minicomputer
B. desktop computer
C. mainframe
D. pen-based computer
7 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
8 Internal modem is connected to
A. DCE cable
B. RJ 45 cable
C. RS 232 serial port
D. DTE cable
9 A color screen with the best resolution
A. MICR
B. VGA
C. SVGA
D. LCD
10 The voice channel has a bandwidth of
A. 0 - 2 KHz
B. 0 - 4 KHz
C. 5 - 10 KHz
D. 10 - 20 KHz

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