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What is the difference between block-oriented I/O devices and stream-oriented I/O devices? Give an example of each. What delay elements are involved in a disk

What is the difference between block-oriented I/O devices and stream-oriented I/O devices?

Give an example of each. What delay elements are involved in a disk read or write?

Briefly describe the 7 RAID levels.

List and briefly define five file organizations.

What are typical access rights that may be granted or denied to a particular user for a particular file?

What is the difference between a field and a record?

Describe the difference between scheduling in UNIX FreeBSD and windows.

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