Computer Science · Disk Scheduling & Access Time
What is the average time to read or write a 512-byte sector for a typical disk rotating at 7200 RPM, given that average seek time is 8 ms, transfer rate is 20 MB/sec, and controller overhead is 2 ms? (Assume the disk is idle with zero waiting time)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 114.17 ms✓
- 214.15 ms
- 38.00 ms
- 414.16 ms
Correct answer
14.17 ms
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