Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Performance balancing among central processing unit, memory, buses, and peripheral devices is almost impossible due to the dynamic nature of two key components.
Recognize these features and explain why they make it challenging to keep these gadgets stable.
b. Even when the computer is being utilized to its full potential, with numerous applications open at once, the CPU is typically only being used at a rate of 37%, indicating that the CPU is sitting idle for the vast majority of the time and is thus inefficient. Explain how using the machine in parallel with two or more jobs improves efficiency and cuts down on downtime.
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