Question: A system status report for a virtual storage operating system shows that between 2 p.m. and 4 p.m. CPU usage and I/O usage both climbed

A system status report for a virtual storage operating system shows that between 2 p.m. and 4 p.m. CPU usage and I/O usage both climbed steadily. At 4 p.m., the I/O usage reached 100 percent, but continued to increase. After 4 p.m., the CPU usage, however, dropped off dramatically. What is the explanation for this behavior?

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