Networks
ICSE · Class 8 · Computer Studies
Practice quiz for Networks — ICSE Class 8 Computer Studies. MCQs and questions with answers to test your preparation.
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Quick Quiz: Networks
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Which component creates the messages to be transmitted?
Which component carries the transmitted messages to the destination?
Which component receives the messages from the source?
Why is a modem needed in data transmission over telephone lines?
Sample Questions
What are the three essential elements needed in any communication process in a network?
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Sender, Medium, Receiver
Any communication process needs a sender to create the message, a medium to carry it, and a receiver to get it.
What is the correct form of an analog signal?
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Sine wave
An analog signal is continuously varying and is represented by a sine wave.
What is the correct form of a digital signal?
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Square wave
A digital signal uses discrete values and is represented by a square wave.
Which advantages are listed for digital signals?
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More secure because they resist noise damage, Low bandwidth, Higher rate of transmission
Digital signals are secure, use low bandwidth, and can transmit at a higher rate.
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