1. A hard disk drive has 16 platters, 8192 cylinders, and 256 4KB sectors per track....

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Programming

1. A hard disk drive has 16 platters, 8192 cylinders,and 256 4KB sectors per track. The storage capacity of this diskdrive is at most

Select one:

a. 32 GB.

b. 128 GB.

c. 32 TB.

2. To further optimize I/O performance, some SSDschedulers

Select one:

a. merge adjacent write requests but not adjacent readrequests.

b. do not merge requests at all.

c. merge adjacent read requests but not adjacent writerequests.

3. What steps are necessary to create afile?

Select one:

a. allocating a space in the file system

b. all of the other answers

c. making an entry for the file in the directory

d. none of the other answers

4.When the shared lock is applied to a file then____________

Select one:

a. only one process can use this file

b. many processes can write to this file concurrently

c. several processes can acquire the lock concurrently

d. many processes can read and write to this fileconcurrently

5. close() operation _____ an open count associated witha given file.

Select one:

a. decreases

b. increases

c. does not change

d. resets

Answer & Explanation Solved by verified expert
3.6 Ratings (330 Votes)
Q1 Answer The correct answer is option b 128GB Given Number of platters 16 Number of cylinders 8192 Capacity per track 4 256KB 1024KB 1MB Capacity per platter Number of cylinders capacity per track    See Answer
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