Question # 1

The _______ is the physical path over which a message travels.

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Protocol

Medium

Single

All

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

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data processing

data distribution

data communication

data encryption

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

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microwave

transponder

cable

modem

The process of transferring data from one location to another is called:

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Data processing

Data Computing

Data communication

Data sequencing

________ is component of data communication.

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Sender

Receiver

Encoder and Decoder

All

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

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CSMA/CD

token passing

facsimile

bulletin board

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

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OS/2

MS-DOS

Macintosh

Windows NT Workstation

Now-a-day computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

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Fax card

Modem card

Network Adapter card

DVD

To make a personal computer act like a terminal, which type of software must be used?

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fax

videoconferencing

bridge

emulation

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

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Amplitude

Oscillation

Frequency

Pulses

ASCII 7 bit code can represent maximum

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265 character

128 character

64 character

65536 character

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

Which of the following access methods listens to the cable for network traffic before sending data?

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Token passing

Polliing

CSMA/CA

CSMA/CD

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

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Simplex mode

Half duplex mode

Full Duplex mode

None of above

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

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