operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11

CD defines

a) Computer device

b) Computer disk

c) Compact disk

d) None of these

Question : 12

In disk storage devices during read and write operation

a) Head is rotate while platter is stationary

b) Head is stationary while platter rotates

c) Head and platter are both stationary

d) None is true

Question : 13

In file management, in the following record blocking method, the optional use of space is made, without unused space left

a) Fixed blocking

b) Variable-length spanned blocking

c) Variable-length un-spanned blocking

d) None of these.

Question : 14

In File system architecture which is the correct arrangement from lower level to higher.

a) Device drives, basic file system, basic I/ O supervisor, logical I/O.

b) Basic file system, basic I/O, logical I/O, device drives.

c) Basic I/O, basic file system, logical I/O, device drives.

d) None of these.

Question : 15

The RAID (Redundant Array of Independent Disks) level one requires

a) Same disk space of the logical disk that it support.

b) Twice disk space of the logical disk that it support.

c) Thrice disk space of the logical disk that it support.

d) Half disk space of the logical disk that it support.