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

00:00
Question # 1

Data communication requires only a :

Question # 2

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

Question # 3

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

Question # 4

Token passing prevents data collisions by.

Question # 5

BIT stands for:

Question # 6

BCD stands for

Question # 7

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

Question # 8

What does the acronym ISDN stand for?

Question # 9

The device used with satellite transmission that ensures that strong outgoing signals do not interface with weak incoming signals is called a.

Question # 10

_______is not component of data communication.

Question # 11

___________ code systems can represent upto 65536 symbols

Question # 12

Graphics and other paperwork can be transmitted directly using which technology?

Question # 13

Electronic banking.

Question # 14

Software to persue the Internet.

Question # 15

The charts, graphs and pictures are examples of:

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ECAT Computer Sciences Chapter 6 Important MCQ's

Sr.# Question Answer
1 Which of the following does not provide a graphical user interface.
A. OS/2
B. MS-DOS
C. Macintosh
D. Windows NT Workstation
2 ________ is component of data communication.
A. Sender
B. Receiver
C. Encoder and Decoder
D. All
3 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
4 Data communication requires only a :
A. Sender
B. Receiver
C. Transmission Medium
D. All of the above
5 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
6 The type of modulation that changes the height of the signal is called.
A. frequency
B. phase
C. amplitude
D. prephase
7 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
8 _________Coding schemes use 4 bit code
A. Unicode
B. ASCII
C. EBCDIC
D. BCD
9 Graphics and other paperwork can be transmitted directly using which technology?
A. CSMA/CD
B. token passing
C. facsimile
D. bulletin board
10 Which of the following is not a category of network problems.
A. Newsgroup problems
B. Physical problems
C. Electrical problems
D. Viruses

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