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

Project 802 defines standards for which layers of the OSI model?

Question # 2

The media Access Control sublayer resides in which OSI layer?

Question # 3

The signals produced by a computer or terminal to be sent over phone lines must be converted to.

Question # 4

Select the statement which is most correct about printer drivers.

Question # 5

How many types of data transmission modes are there?

Question # 6

Data communication requires only a :

Question # 7

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

Question # 8

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

Question # 9

What enables a computer to work with a printer?

Question # 10

Now-a-day computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

Question # 11

The _______ is the physical path over which a message travels.

Question # 12

_________Coding schemes use 4 bit code

Question # 13

People on a LAN can share.

Question # 14

Light sound and radio waves are examples of :

Question # 15

The height of the wave is called :

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ECAT Computer Sciences Chapter 6 Important MCQ's

Sr.# Question Answer
1 The media Access Control sublayer resides in which OSI layer?
A. Physical
B. Data Link
C. Network
D. Transport
2 Which of the following is not a category of network problems.
A. Newsgroup problems
B. Physical problems
C. Electrical problems
D. Viruses
3 Communication circuits that transmit data in both directions but not at the same time are operating in.
A. Simplex mode
B. Half duplex mode
C. Full Duplex mode
D. None of above
4 What layer of the OSI model does data compression?
A. Network
B. Data Link
C. Presentation
D. Physical
5 Light sound and radio waves are examples of :
A. Analog Signals
B. Digital Signals
C. Simple Signals
D. None
6 When all hardware, software, storage, and processing is housed in one location it is called.
A. a time-sharing system
B. centralized processing
C. a DDP system
D. a host computer system
7 A computer based system in which a telephone message is recorded in digital form and then forwarded to others is
A. a teleconferencing
B. voice mail
C. a bulletin board
D. telecommuting
8 ASCII 7 bit code can represent maximum
A. 265 character
B. 128 character
C. 64 character
D. 65536 character
9 To make a personal computer act like a terminal, which type of software must be used?
A. fax
B. videoconferencing
C. bridge
D. emulation
10 ___________coding scheme is used by IBM
A. Unicode
B. ASCII
C. EBCDIC
D. BCD

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