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Disk Speed vs. CPU Speed

Question # 00596874
Subject: Computer Science
Due on: 09/29/2017
Posted On: 09/29/2017 06:02 AM

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Disk Speed vs. CPU Speed

A computer has a bus with a 5-nsec cycle time, during which it can read or write a 32-bit word from memory. The computer has an Ultra4-SCSI disk that uses the bus and runs at 160 Mbytes/sec. The CPU normally fetches and executes one 32-bit instruction ever 1 nsec.

How much does the disk slow down the CPU?

Tags speed disk disk 32bit computer speed normally mbytessec fetches instruction slow does nsec runs andexecutes memory time cycle 5nsec whichit read ultra4scsidisk word write uses

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Disk Speed vs. CPU Speed

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