Welcome to Operating System Quiz, Entry Level !!

Question 1. What is a shell

It is a hardware component

It is a command interpreter

It is a part in compiler

It is a tool in CPU scheduling

Question 2. The state of a process after it encounters an I/O instruction is





Question 3. Multiprogramming systems

Are easier to develop than single programming systems

Execute each job faster

Execute more jobs in the same time

Are used only on large main frame computers

Question 4. A page fault occurs

when the page is not in the memory

when the page is in the memory

when the process enters the blocked state

when the process is in the ready state

Question 5. The problem of thrashing is effected scientifically by

Program structure

Program size

Primary storage size

None of the above

Question 6. FIFO scheduling is

Preemptive Scheduling

Non Preemptive Scheduling

Deadline Scheduling

Fair share scheduling

Question 7. 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 8. 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 9. 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 10. Which of the following file name extension suggests that the file is Backup copy of another file