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

________ is component of data communication.

Question # 2

The electromagnetic or light waves representing data are called:

Question # 3

Communication between a computer and a keyboard involves

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

FDDI is a

Question # 8

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 # 9

Which of the following does not provide a graphical user interface.

Question # 10

Token passing prevents data collisions by.

Question # 11

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

Question # 12

Which of the following statements best describes a star topology?

Question # 13

BCD stands for

Question # 14

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

Question # 15

Who invented the modem?

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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 _________Coding schemes use 4 bit code
A. Unicode
B. ASCII
C. EBCDIC
D. BCD
3 Centralized processing but with access from terminals is known as.
A. DDP
B. a ring network
C. telecommuting
D. a teleprocessing system
4 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
5 How many pairs of computers can simultaneously communicate on Ethernet LAN?
A. 1
B. 2
C. 3
D. multiple
6 How many types of data transmission modes are there?
A. 2
B. 3
C. 4
D. 5
7 Which of the following access methods listens to the cable for network traffic before sending data?
A. Token passing
B. Polliing
C. CSMA/CA
D. CSMA/CD
8 The number of times a wave repeats during a specific time interval is called
A. Amplitude
B. Oscillation
C. Frequency
D. Pulses
9 The type of modulation that changes the height of the signal is called.
A. frequency
B. phase
C. amplitude
D. prephase
10 The Height of wave within a given period of time is called :
A. Amplitude
B. Oscillation
C. Pulses
D. Frequency

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