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89860 篇文章 33 次评论单选题：In the disk scheduling algorithm, which algorithm may change the
In the disk scheduling algorithm, which algorithm may change the arm’s movement direction at any moment?@[B](1)A. C-SCA…
单选题：Suppose that we have a disk with the following parameters:
Suppose that we have a disk with the following parameters: ```• 1TB in size • 7200 RPM, Data transfer rate of 40 Mbytes/…
单选题：Suppose that we have a disk with the following parameters:
Suppose that we have a disk with the following parameters: ```• 1TB in size • 7200 RPM, Data transfer rate of 40 Mbytes/…
单选题：The basic access unit of files on disk is _____.
The basic access unit of files on disk is _____.@[A](1)A. block B. record C. cylinder…
单选题：The data on a tape can be read/written _______.
The data on a tape can be read/written _______.@[D](1)A. in bytes B. in wordsC. via direct access D. via sequential…
单选题：The data on a hard disk can be _____.
The data on a hard disk can be _____.@[C](1)A. accessed sequentially only B. accessed randomly only C. accessed both…
单选题：The algorithm that schedules the disk arm is _____.
The algorithm that schedules the disk arm is _____.@[B](1)A. Round robin B. Shortest Seek Time FirstC. LRU…
单选题：What is another name given to the SCAN algorithm?
What is another name given to the SCAN algorithm?@[A](1)A. elevator algorithm B. search algorithmC. end to end algori…
单选题：The time of accessing disk consists of ______, rotational latenc
The time of accessing disk consists of ______, rotational latency, and read-write time.@[A](1)A. seek timeB. positioni…
单选题：Which of the following storage device is not belong to the terti
Which of the following storage device is not belong to the tertiary storage structure?@[C](1)A. CD-ROM B. DVD C. Ha…