Operating System Basics Questions and Answers

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Q1
Round robin scheduling is essentially the preemptive version of ________.
  • A FIFO
  • B Shortest job first
  • C Shortes remaining
  • D Longest time first
Answer: Option A
Q2
Round robin scheduling is essentially the preemptive version of ________.
  • A FIFO
  • B Shortest job first
  • C Shortes remaining
  • D Longest time first
Answer: Option A
Q3
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
Answer: Option A
Q4
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
Answer: Option D
Q5
Let S and Q be two semaphores initialized to 1, where P0 and P1 processes the following statements wait(S);wait(Q); ---; signal(S);signal(Q) and wait(Q); wait(S);---;signal(Q);signal(S); respectively. The above situation depicts a _________ .
  • A Semaphore
  • B Deadlock
  • C Signal
  • D Interrupt
Answer: Option B
Q6
What is a shell ?
  • A It 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
Answer: Option B
Q7
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
Answer: Option C
Q8
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
Answer: Option A
Q9
What is the memory from 1K - 640K called ?
  • A Extended Memory
  • B Normal Memory
  • C Low Memory
  • D Conventional Memory
Answer: Option D
Q10
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
Answer: Option C

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