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

A network type in which all computers have equal status.

Question # 2

Communication circuits that transmit data in both directions but not at the same time are operating in.

Question # 3

The _____________ is the physical path over which the message travels :

Question # 4

A driver is.

Question # 5

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

Question # 6

In the networking environment a network adapter card driver is needed for.

Question # 7

Which of the following topologies is passive?

Question # 8

Which types of data consists of words ,sentences and paragraphs

Question # 9

One or more computers connected to a hub computer is a(n)

Question # 10

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

Question # 11

Select the statement which is most correct about printer drivers.

Question # 12

Light sound and radio waves are examples of :

Question # 13

Terminal is a.

Question # 14

BCD stands for

Question # 15

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

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ECAT Computer Sciences Chapter 6 Important MCQ's

Sr.# Question Answer
1 The _______ is the physical path over which a message travels.
A. Protocol
B. Medium
C. Single
D. All
2 Light sound and radio waves are examples of :
A. Analog Signals
B. Digital Signals
C. Simple Signals
D. None
3 In______________communication modes the data communication can take place in only one direction
A. Simplex
B. Half-duplex
C. Full-deplex
D. None
4 Which of the following topologies is passive?
A. Star topology
B. Ring topology
C. Bus topology
D. Hybrid topology
5 The media Access Control sublayer resides in which OSI layer?
A. Physical
B. Data Link
C. Network
D. Transport
6 ___________coding scheme is used by IBM
A. Unicode
B. ASCII
C. EBCDIC
D. BCD
7 ASCII 8 bit code can represent maximum
A. 256 character
B. 128 character
C. 64 character
D. 65536 character
8 Graphics and other paperwork can be transmitted directly using which technology?
A. CSMA/CD
B. token passing
C. facsimile
D. bulletin board
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 The transfer if encoded information from one location to another by a communication channel is called
A. data processing
B. data distribution
C. data communication
D. data encryption

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