Basic Operating Systems Questions :

1. Round robin scheduling is essentially the preemptive version of ________ ?

[A] FIFO

[B] Shortest job first

[C] Shortest remaining

[D] Longest time first

2. A page fault occurs ?

[A] when the page is not in the memory

[B] when the page is in the memory

[C] when the process enters the blocked state

[D] when the process is in the ready state

3. Which of the following will determine your choice of systems software for your computer?

[A] Is the applications software you want to use compatible with it ?

[B] Is it expensive ?

[C] Is it compatible with your hardware ?

[D] Both 1 and 3 

4. What is a shell ?

[A] is a hardware component

[B] It is a command interpreter

[C] It is a part in compiler

[D] It is a tool in CPU scheduling

5. Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called... ?

[A] Static loading

[B] Dynamic loading

[C] Dynamic linking

[D] Overlays

6. In the blocked state ?

[A] the processes waiting for I/O are found

[B] the process which is running is found

[C] the processes waiting for the processor are found

[D] none of the above

7. What is the memory from 1K - 640K called ?

[A] Extended Memory

[B] Normal Memory

[C] Low Memory

[D] Conventional Memory

8. Virtual memory is ..... ?

[A] An extremely large main memory

[B] An extremely large secondary memory

[C] An illusion of extremely large main memory

[D] A type of memory used in super computers

9. Which is not the state of the process ?

[A] Blocked

[B] Running

[C] Ready

[D] Privileged

10. The number of processes completed per unit time is known as.... ?

[A] Output

[B] Throughput

[C] Efficiency

[D] Capacity