Answered: CPU time is a vital computer resource…

CPU time is a vital computer resource that should be utilised as efficiently as possible. Explain why DMA consumes less CPU power than interrupt-driven and programmable I/O.

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter4: Processor Technology And Architecture

Section: Chapter Questions

Problem 5RQ

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Concept explainers

Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.

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CPU time is a vital computer resource that should be utilised as efficiently as possible.

Explain why DMA consumes less CPU power than interrupt-driven and programmable I/O.

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CPU time is a valuable computer resource that should be used efficiently. Explain why DMA uses less CPU than interrupt-driven and programmed I/O.
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CPU time is a precious computer resource and a good computing system should be design in such a way to utilise CPU efficiently. Explain why DMA is better than interrupt-driven and Programmed I/O in terms of CPU usage.
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