ECAT Pre Computer Science MCQ Test For Computer Chapter 6 With Answer

MCQ's Test For ECAT Computer Science Chapter 6 Data Communication

Try The MCQ's Test For ECAT Computer Science Chapter 6 Data Communication

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ECAT Computer Science Chapter 6 Data Communication

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Question # 1

Which of the following topologies is passive?

Question # 2

ASCII 7 bit code can represent maximum

Question # 3

___________ code systems can represent upto 65536 symbols

Question # 4

To make a personal computer act like a terminal, which type of software must be used?

Question # 5

Centralized processing but with access from terminals is known as.

Question # 6

What layer of the OSI model does data compression?

Question # 7

The electromagnetic or light waves representing data are called:

Question # 8

How many pairs of computers can simultaneously communicate on Ethernet LAN?

Question # 9

Which of the following is not a category of network problems.

Question # 10

BIT stands for:

Question # 11

What best describes a bus topology network?

Question # 12

IBM stands for

Question # 13

A device that receives messages is called:

Question # 14

The type of modulation that changes the height of the signal is called.

Question # 15

The charts, graphs and pictures are examples of:

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ECAT Computer Sciences Chapter 6 Important MCQ's

Sr.# Question Answer
1 A device that receives messages is called:
A. Transmitter
B. Receiver
C. Source
D. Sender
2 The signals produced by a computer or terminal to be sent over phone lines must be converted to.
A. modems
B. analog signals
C. digital signals
D. microwave
3 The type of modulation that changes the height of the signal is called.
A. frequency
B. phase
C. amplitude
D. prephase
4 A driver is.
A. hardware
B. a peripheral device
C. a card
D. software
5 Centralized processing but with access from terminals is known as.
A. DDP
B. a ring network
C. telecommuting
D. a teleprocessing system
6 The number of times a wave repeats during a specific time interval is called
A. Amplitude
B. Oscillation
C. Frequency
D. Pulses
7 What enables a computer to work with a printer?
A. Protocols
B. Drivers
C. Packet processor
D. HCL
8 BCD stands for
A. None
B. Binary coded decimal
C. Bit coded digit
D. Byte coded decimal
9 BIT stands for:
A. Binary integer
B. Binary Digit
C. Binary Interval
D. None of the above
10 How many pairs of computers can simultaneously communicate on Ethernet LAN?
A. 1
B. 2
C. 3
D. multiple

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