A computer consists of a CPU and an I/O device D connected to main memory Mvia a
Question:
a. If programmed I/O is used and each one-word I/O transfer requires the CPU to execute two instructions, estimate the maximum I/O data transfer rate, in words per second, possible through D.
b. Estimate the same rate if DMA transfer is used.
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Related Book For
Operating Systems Internals and Design Principles
ISBN: 978-0133805918
8th edition
Authors: William Stallings
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