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Question:
Human telephone conversations are characterized by irregular pauses, alternating with irregular bursts of speech.
In contrast, communication via computers is characterized by relatively long pauses between short bursts of transmission.
i. How does message switching operate?
ii. Explain briefly the concept of circuit switching. Give an example of circuit switching.
iii. Why is circuit switching preferred over packet switching in voice communications?
Question: a) How many bits per second can be sent on a noiseless 4 MHz channel if four-level digital signals are used? b) If a binary signal is sent over a 3 KHz channel who
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Network Virtual Terminal It is a set of principles describing a very simple virtual terminal interaction. The NVT is needed in the start of a Telnet session. Communication wit
The first and foremost need of any business is a role to perform for its client base, and for the spammer this will typically be the role of advertising products which, due to the
Question: a) Explain what the following intermediate systems are and how they work? i. Repeater ii. Bridge b) A service is formally specified by a set of primitives (op
Question: (a) Draw the waveform for an asynchronous transmission with the following specifications: Character "H", one even parity bit, one start bit, one stop bit, and a b
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