Computer Basic Information
What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another?

I/O device
Buffer
Concentrator
None of these
Cache

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Computer Basic Information
Which of the following is not an advantage of magnetic disk storage?

None of these
Disk storage is less expensive than tape storage
Disk storage is longer lasting than magnetic tape
All of these
The access time of magnetic disk is much less than that of magnetic tape

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