operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 26

In secondary storage management, “If allocation of file is made on an individual block basis and each block contains a pointer to the next block in the chain” then it is referred as

a) Contiguous allocation

b) Chained allocation

c) Indexed allocation

d) None of these.

Question : 27

By principle of locality, cache memory

a) Increases average memory access time.

b) Reduces average memory access time

c) Does not affect the average memory access time

d) None of these

Question : 28

I/O tables are used

a) To assign I/O devices of computer

b) To manage I/O devices of computer system

c) A and B both true

d) A and B both false.

Question : 29

OS/390 is a

a) Single user system

b) Multi user system

c) Single tasking system

d) None of these.

Question : 30

The record is the collection of

a) Fields

b) Files

c) Data base

d) None of these.