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
