operating system set 2 Detailed Explanation And More Example

Question : 1

The dispatcher

a) actually schedules the tasks into the processor

b) is always very small and simple

c) puts tasks in wait

d) None of these

Question : 2

Banker's algorithm for resource allocation deals with

a) deadlock prevention

b) deadlock avoidance

c) deadlock recovery

d) mutual exclusion

Question : 3

The Java run time environment is an example of

a) Single user process with multiple threads

b) Multiple user processes with single thread per process.

c) Multiple user processes with multiple threads per process.

d) None of these.

Question : 4

The only state transition initiated by the user process itself in an operating system is

a) Block

b) Timer run out

c) Dispatch

d) Wake up

Question : 5

The UNIX, an operating system supports

a) Multiple user processes and single thread per process.

b) Multiple user processes and multiple threads per process.

c) Single user process and single thread per process.

d) Single user process and multiple threads per process.

Question : 6

The memory management, y one clock policy is applied then the page first loaded into a frame in memory its use bit is set to

a) Zero

b) One

c) Two

d) Three