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

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

Question # 2

The transfer if encoded information from one location to another by a communication channel is called

Question # 3

Which of the following statements best describes a star topology?

Question # 4

The number of times a wave repeats during a specific time interval is called

Question # 5

A connection for similar networks.

Question # 6

Select the statement which is most correct about printer drivers.

Question # 7

________ is component of data communication.

Question # 8

Who invented the modem?

Question # 9

What layer of the OSI model does data compression?

Question # 10

People on a LAN can share.

Question # 11

Logical security for on-line systems is achieved primarily by ________ and authorization codes

Question # 12

The electromagnetic or light waves representing data are called:

Question # 13

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

Question # 14

BIT stands for:

Question # 15

In______________communication modes the data communication can take place in only one direction

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ECAT Computer Sciences Chapter 6 Important MCQ's

Sr.# Question Answer
1 Communication between a computer and a keyboard involves
A. Simplex
B. half-duplex
C. Full-duplex
D. automatic
2 The music and speech represent the:
A. Image Data
B. Audio Data
C. Video Data
D. Text Data
3 How many pairs of computers can simultaneously communicate on Ethernet LAN?
A. 1
B. 2
C. 3
D. multiple
4 Graphics and other paperwork can be transmitted directly using which technology?
A. CSMA/CD
B. token passing
C. facsimile
D. bulletin board
5 Which types of data consists of words ,sentences and paragraphs
A. Text
B. Image
C. Numeric
D. Video
6 A device that connects multiple nodes to the network is.
A. A modem
B. A repeater
C. A router
D. A hub
7 Data communication requires only a :
A. Sender
B. Receiver
C. Transmission Medium
D. All of the above
8 Which of the following is not a category of network problems.
A. Newsgroup problems
B. Physical problems
C. Electrical problems
D. Viruses
9 What does the acronym ISDN stand for?
A. International Services Data Network
B. Intelligent Services Digital Network
C. Integrated Services Digital Network
D. Interactive Services Digital Network
10 One or more computers connected to a hub computer is a(n)
A. ring network
B. node
C. information utility
D. star network

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