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MCQ

Satellite-Switched Time-Division Multiple Access (SS/TDMA) is

the method of determining which device has access to the transmission medium at any time.

a medium access control technique for multiple access transmission media

a form of TDMA in which circuit switching is used to dynamically change the channel assignments

All of the above

None of the above

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MCQ

A network which is used for sharing data, software and hardware among several users owning microcomputers is called

WAN

MAN

LAN

VAN

None of the above

Discussion

MCQ

Which of the following communications modes support two-way traffic but in only one direction of a time?

simplex

half-duplex

three-quarters duplex

full-of the above

None of the above

Discussion

MCQ

A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?

32 Kbps

64 Kbps

8 Kbps

128 Kbps.

None of the above

Discussion

MCQ

The application layer of a network

establishes, maintains, and terminates virtual circuits

defines the user's port into the network

consists of software being run on the computer connected to the network

All of the above

None of the above

Discussion

MCQ

Which of the following refers to the terms "residual error rate"?

the number of bit errors per twenty four hours of continuous operation on an asynchronous line

The probability that one or more errors will be undetected when an error detection scheme is used

the probability that one or more errors will be detected when an error detection mechanism is used

signal to noise ratio divided by the ratio of energy per bit to noise per hertz

None of the above

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Data Communication and Networking

Miscellaneous or General

Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

Operating System

Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

Computer Awareness

Files and its types

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