Systems Architecture
7th Edition
ISBN: 9781305080195
Author: Stephen D. Burd
Publisher: Cengage Learning
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Describe the primary functions and components of a CPU (Central Processing Unit) in a computer. How does it interact with other hardware components?
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- CPU time is a valuable computer resource, and a smart computing system should be designed to make the most of it. Explain why DMA is better for CPU use than interrupt-driven and programmed I/O.arrow_forwardCPU time is a valuable computer resource that should be used as effectively as feasible. Why does DMA use less CPU power than interrupt-driven and programmable I/O?arrow_forwardWhat kind of processing, and what are the fundamental components of it, allows for the avoidance of empty computing cycles while running more than one instruction through a computer processor? Describe the result of their actions.arrow_forward
- What is virtual memory, and how does it work to enhance a computer's performance?arrow_forwardCPU time is an important computer resource that should be utilised as efficiently as possible. Why does direct memory access (DMA) consume less CPU power than interrupt-driven and programmed I/O?arrow_forward469. Main memory must balance out CPU bound and I/O bound jobs, so that a. All jobs are executed once b. Few jobs get executed at a time c. At least one job is always ready to utilize CPU d. At least one job is always ready to utilize I/O devicesarrow_forward
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