Question # 1

The Height of wave within a given period of time is called :

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Amplitude

Oscillation

Frequency

Pulses

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

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CSMA/CD

token passing

facsimile

bulletin board

A device that receives messages is called:

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Transmitter

Receiver

Source

Sender

Token passing prevents data collisions by.

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Using code to steer tokens around each other

Having multiple tokens take alternate routes.

Allowing only one computer at a time to use the token

Using zones to control network traffic congestion

BCD stands for

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Bit coded digit

Byte coded decimal

Binary coded decimal

None

The charts, graphs and pictures are examples of:

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Image

Audio

Video

Text

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

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Communication with other adapter cards on a network

Communication between the file server and the other computers on the network

Communication between different types of computers on a network

Communication between the adapter card and the computers operating system

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

When all hardware, software, storage, and processing is housed in one location it is called.

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a time-sharing system

centralized processing

a DDP system

a host computer system

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

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frequency

phase

amplitude

prephase

The information that is to be transferred from one location to another is called:

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Signals

Data

Sender

Message

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

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Protocol

Medium

Signal

All of the above

___________ code systems can represent upto 65536 symbols

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ASCII-7

EBCDIC

ASCII-8

Unicode

The arrangement in which most of the processing is done by the server.

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simplex transmission

electronic data interchange

file server

client/server

A device that connects multiple nodes to the network is.

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A modem

A repeater

A router

A hub

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

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MIS

Passwords

Tactical

None of the above

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ECAT Computer Science Chapter 6 Data Communication Online Test MCQs With Answers

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