quizsoar

Question 1

Each physical device attached to an MS-DOS system is described in a special file called a(n):

Answer 1

device driver

Question 2

A semaphore is a shared integer variable that cannot drop below:

Answer 2

zero

Question 3

What is the reacquisition scheme to revoke capability?

Answer 3

When a process capability is revoked then it won’t be able to reacquire it

Question 4

An actual update is not allowed to a data item:

Answer 4

before the corresponding log record is written out to stable storage

Question 5

If the extents are too large, then the problem that comes in is:

Answer 5

internal fragmentation

Question 6

In the non blocking send the sending process ____ the message and _____ the operation

Answer 6

the sending process sends the message and resumes operation

Question 7

In paging the user provides only –?– which is partitioned by the hardware into –?– and –?–

Answer 7

one address, page number, offset

Question 8

The atomic operation permissible on semaphores are:

Answer 8

wait

Question 9

_____ is the concept in which a process is copied into main memory from the secondary memory according to the requirement.

Answer 9

Demand paging

Question 10

The usefulness of signals as a general inter process communication mechanism is limited because they cannot

Answer 10

carry information directly

Question 11

The context of a process in the PCB of a process does not contain:

Answer 11

context switch time