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

What does the acronym ISDN stand for?

Question # 2

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

Question # 3

A device that connects multiple nodes to the network is.

Question # 4

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

Question # 5

Which types of data consists of words ,sentences and paragraphs

Question # 6

The process of converting from analog to digital is called.

Question # 7

Terminal is a.

Question # 8

A connection for similar networks.

Question # 9

The music and speech represent the:

Question # 10

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

Question # 11

FDDI is a

Question # 12

Which of the following topologies is passive?

Question # 13

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

Question # 14

_______is not component of data communication.

Question # 15

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

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ECAT Computer Sciences Chapter 6 Important MCQ's

Sr.# Question Answer
1 Logical security for on-line systems is achieved primarily by ________ and authorization codes
A. MIS
B. Passwords
C. Tactical
D. None of the above
2 One or more computers connected to a hub computer is a(n)
A. ring network
B. node
C. information utility
D. star network
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 Data communication requires only a :
A. Sender
B. Receiver
C. Transmission Medium
D. All of the above
5 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
6 Select the statement which is most correct about printer drivers.
A. There is one universal printer driver that will allow full functionality of all printers
B. All printers made by a specific printer manufacturer can always use the same printer driver and have full functionality
C. A laser printer driver from one manufacturer will provide full functionality for all laser printers regardless of the manufacturer.
D. There is a specific printer driver designed for every model of printer that will allow the full functionality of that model of printer
7 A device that receives messages is called:
A. Transmitter
B. Receiver
C. Source
D. Sender
8 _________Coding schemes use 4 bit code
A. Unicode
B. ASCII
C. EBCDIC
D. BCD
9 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
10 A device that connects multiple nodes to the network is.
A. A modem
B. A repeater
C. A router
D. A hub

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