题目内容

In memory hierarchy, which one of the followings is the fastest memory?

A. Magnetic Disk
B. RAM
Cache
D. ROM

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Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?

A. Track number
B. Sector number
C. Surface number
D. All of these

A hard disk is divided into tracks which is further subdivided into ____________

A. Clusters
B. Sectors
C. Vectors
D. Heads

Which of the following is not an input device?

A. Keyboard
B. Optical scanner
C. Microphone
D. Speaker

The correct sequence of storage media according to their increasing storage capacity is _________

A. CD - DVD - Bluray
Bluray - CD - DVD
CD- Bluray - DVD
D. Bluray - DVD - CD

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