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

ASCII 7 bit code can represent maximum

Question # 2

A connection for similar networks.

Question # 3

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

Question # 4

Electronic banking.

Question # 5

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

Question # 6

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

Question # 7

A network of geographically distant computers and terminals is called a.

Question # 8

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

Question # 9

Communication between a computer and a keyboard involves

Question # 10

_________Coding schemes use 4 bit code

Question # 11

The electromagnetic or light waves representing data are called:

Question # 12

Which types of data consists of words ,sentences and paragraphs

Question # 13

Microwave transmission, coaxial cables, and fiber optics are examples of.

Question # 14

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

Question # 15

Data communication requires only a :

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ECAT Computer Sciences Chapter 6 Important MCQ's

Sr.# Question Answer
1 To make a personal computer act like a terminal, which type of software must be used?
A. fax
B. videoconferencing
C. bridge
D. emulation
2 The electromagnetic or light waves representing data are called:
A. Reraction
B. Information
C. Signals
D. None
3 ___________ code systems can represent upto 65536 symbols
A. ASCII-7
B. EBCDIC
C. ASCII-8
D. Unicode
4 Cabling on a linear bus topology can be extended using which of the following?
A. Terminator
B. Barrel connector
C. Network adapter card
D. Medium attachment unit
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 Which of the following topologies is passive?
A. Star topology
B. Ring topology
C. Bus topology
D. Hybrid topology
7 _______is not component of data communication.
A. Medium
B. Voltage
C. Decoder
D. Receiver
8 Which of the following statements best describes a star topology?
A. Needs significantly less cabling than other topologies
B. Breaks in a single cable segment takes down entire network
C. More difficult to reconfigure than other topologies
D. Centralized monitoring and management
9 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
10 Terminal is a.
A. device to give power supply to computer
B. point at which data enter or leaves the computer
C. the last instruction in a program
D. any input/output device

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