In UNIX, each process is identified by its:

The time taken to switch between user and kernel modes of execution be t1 while the time taken to switch between two processes be t2.

Which of the following is TRUE?

Process synchronization can be done on

To access the services of operating system, the interface is provided by the

The child process completes execution,but the parent keeps executing, then the child process is known as:

The systems which allows only one process execution at a time, are called

What is operating system?

Multithreading an interactive program will increase responsiveness to the user by :

Which of the following is not an optimization criterion in the design of a CPU scheduling algorithm?

A process is selected from the ______ queue by the ________ scheduler, to be executed.

Which of the following statements are true?

I. Shortest remaining time first scheduling may cause starvation

II. Preemptive scheduling may cause starvation

III. Round robin is better than FCFS in terms of response time

Preemptive Shortest Job First scheduling is sometimes called :

Consider three CPU-intensive processes, which require 10, 20 and 30 time units and arrive at times 0, 2 and 6, respectively. How many context switches are needed if the operating system implements a shortest remaining time first scheduling algorithm? Do not count the context switches at time zero and at the end.

The strategy of making processes that are logically runnable to be temporarily suspended is called :

Which of the following process scheduling algorithm may lead to starvation