Which of the following speed up the testing process?

A. Kernel
B. Software
C. Application manager
D. Program debugging tools

Which of the following can make the application program hardware independent?

A. Software
B. Application manager
C. Operating system
D. Kernel

Which of the following enables the user to utilise the system efficiently?

A. Kernel
B. Operating system
C. Software
D. Hardware

Which of the following provides a buffer between the user and the low-level interfaces to the hardware?

A. Operating system
B. Kernel
C. Software
D. Hardware

Disks are segmented into one or more partitions, each containing a file system or ______

A. Left €?raw’
B. Made into swap space
C. Made into backup space
D. Left €?ripe’

In UNIX, the directory protection is handled _________ to the file protection.

A. Different
B. Similar
C. It is not handled at all
D. None of the mentioned

What will happen in a multi level directory structure?

A. The same previous techniques will be used as in the other structures
B. A mechanism for directory protection will have to applied
C. The subdirectories do not need protection once the directory is protected
D. None of the mentioned

If each access to a file is controlled by a password, then what is the disadvantage?

A. User will need to remember a lot of passwords
B. It is not reliable
C. It is not efficient
D. All of the mentioned

To control access the three bits used in UNIX are represented by _____________

A. R
B. W
C. X
D. All of the mentioned

In UNIX, groups can be created and modified by?

A. Superuser
B. Any user
C. A programmer only
D. The people in the group only