What are the advantages of parallel transmission? What is the chief disadvantage?
What will be an ideal response?
A parallel mode of transmission has two chief advantages:
? High speed: Because it can send N bits at the same time, a parallel interface can operate N
times faster than an equivalent serial interface.
? Match to underlying hardware: Internally, computer and communication hardware uses
parallel circuitry. Thus, a parallel interface matches the internal hardware well.
The main disadvantage of parallel transmission is number of cables required, for long distance
communication, this is an important consideration.
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Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. Pipelining is a technique that allows a multiple processors to simultaneously process multiple instructions. 2. The machine cycle on a superpipelining chip is broken into more than four stages, allowing a faster clock cycle than is possible with a normal pipelined processor. 3. Superpipelining chips use more than one pipeline and thus allow more than one instruction to be executed simultaneously. 4. Executing tasks (as opposed to instructions) in parallel is called hyperthreading.
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Answer the following statement true (T) or false (F)
Which has a greater lighting ration 3:1 or 2:1?
What will be an ideal response?