Operating System MCQs

1019 MCQs  (Page 88 of 102)

WORM stands for ____________
A. Write only, read mandatory
B. Write once, read many times
C. Write only once, read multiple
D. None of the mentioned
Random access to tape is _______ a disk seek.
A. Much slower than
B. Much faster than
C. Comparable to
D. None of the mentioned
A typical tape drive is ________ a typical disk drive.
A. More expensive than
B. Cheaper than
C. Of the same cost as
D. None of the mentioned
The surface area of tape is ________ the surface area of a disk.
A. Much lesser than
B. Much larger than
C. Equal to
D. None of the mentioned
Which principle states that programs, users and even the systems be given just enough privileges to perform their task?
A. Principle of operating system
B. Principle of least privilege
C. Principle of process scheduling
D. None of the mentioned
_______ is an approach to restricting system access to authorized users.
A. Role-based access control
B. Process-based access control
C. Job-based access control
D. None of the mentioned
For system protection, a process should access _____________
A. All the resources
B. Only those resources for which it has authorization
C. Few resources but authorization is not required
D. All of the mentioned
The protection domain of a process contains _____________
A. Object name
B. Rights-set
C. Both object name and rights-set
D. None of the mentioned