The fastest method for transferring data from one register to another is the
A. serial transfer
B. parallel transfer
C. hybrid transfer
D. FIFO
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Answer: B
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Explanation:
In parallel data transfer, multiple bits (often 8 bits or a byte/character) are sent at the same time on different channels within the same cable. This approach allows for the transfer of an entire byte of data simultaneously, from one register to another. This is the fastest method of transferring data between registers because multiple bits are being transferred at once, instead of one after another (as in serial transfer).
The downside is that it requires more data lines (cables/wires), but within a computer system, particularly on a single integrated circuit or within a CPU, the additional lines do not add substantial cost or complexity.
