Welcome to Operating System Quiz, Entry Level !!

Question 1. Virtual memory is

An extremely large main memory

An extremely large secondary memory

An illusion of extremely large main memory

A type of memory used in super computers

Question 2. Switching the CPU to another Process requires to save state of the old process and loading new process state is called as

Process Blocking

Context Switch

Time Sharing

None of the above

Question 3. PCB =

Program Control Block

Process Control Block

Process Communication Block

None of the above

Question 4. The solution to Critical Section Problem is : Mutual Exclusion, Progress and Bounded Waiting

The statement is false

The statement is true

The statement is contradictory

None of the above

Question 5. Round robin scheduling is essentially the preemptive version of


Shortest job first

Shortest remaining

Longest time first

Question 6. Which of the following will determine your choice of systems software for your computer

Is the applications software you want to use compatible with it

Is it expensive

Is it compatible with your hardware

Both 1 and 3

Question 7. In the blocked state

the processes waiting for I/O are found

the process which is running is found

the processes waiting for the processor are found

none of the above

Question 8. Which is not the state of the process





Question 9. If the Disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98,37,14,124,65,67.





Question 10. FIFO scheduling is

Preemptive Scheduling

Non Preemptive Scheduling

Deadline Scheduling

Fair share scheduling