8086 prefetches only when at least ------------ bytes are free in queue. A) 4 b) 3 c) 2 d) 1
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The correct answer is c) 2.
8086 prefetches only when at least two bytes are free in queue.
The 8086 microprocessor was one of the early and most popular microprocessors designed by Intel.
It has a six byte instruction stream queue to facilitate the pipeline architecture.
Whenever there is room for two or more bytes in the queue, it starts looking ahead in the program by prefetching the new sequential instruction.
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