Computer Fundamentals Mcqs

Page No. 69

Transmission mode controls the direction of signal flow.


aTrue

✓


b False

✖


cA & B

✖


dNone of these

✖


View Answer True

Which of the following isn’t a type of transmission mode?


aphysical

✓


bsimplex

✖


cfull duplex

✖


dhalf duplex

✖


View Answer physical

A transmission that generally involves dedicated circuits.


asimplex

✓


bhalf duplex

✖


c full duplex

✖


dsemi-duplex

✖


View Answer simplex

A communication between a computer and a keyboard involves ____________ duplex transmission.


asimplex

✓


bhalf duplex

✖


cfull duplex

✖


dsemi-duplex

✖


View Answer simplex

Telephone networks operate in this mode.


asimplex

✖


bhalf duplex

✓


cfull duplex

✖


dsemi-duplex

✖


View Answer half duplex

Fire alarms are based on this type of transmission:


a direct

✖


bnetwork

✖


canalog

✓


dMultiple

✖


View Answer analog

A technique of transmitting data or images or videos (information) using a continuous signal.


a direct

✖


b network

✖


canalog

✓


dmultiple

✖


View Answer analog

A walkie-talkie operates in ____________


a simplex

✖


b half duplex

✓


cfull duplex

✖


dsemi-duplex

✖


View Answer half duplex

A coaxial cable has a bandwidth of _________ of megahertz.


a100

✓


b150

✖


c1000

✖


d 10000

✖


View Answer 100

The carrier wave is a _________


a tan wave

✖


b cosec wave

✖


csine wave

✓


dcot wave

✖


View Answer sine wave

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