The interface(s) that provide I/O transfer of data directly to and from the memory unit and a peripheral is/are termed:
(A) DMA (Direct Memory Access)
(B) IOP (Input-Output Processor)
(C) Serial Interface
(D) Parallel Interface
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Correct answer: C. (A) and (B) Only
Explanation
Both a DMA controller and an IOP transfer data directly between peripherals and memory without the CPU handling each word.More Computer System Architecture questions
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