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Operating System (NCO)

This test contains basic questions of operating system which can be asked in NCO exam for class 10 and 11.

12 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

A request made by any program to the operating system for performing tasks is called

  1. system call
  2. function
  3. procedure
  4. instruction
  5. task
Question 2 Multiple Choice (Single Answer)

When a process executes, it changes state. The state in which process is waiting to be assigned to a processor is called

  1. terminated state
  2. ready state
  3. waiting state
  4. running state
  5. new state
Question 3 Multiple Choice (Single Answer)

Which of the following is a non-preemptive process scheduling?

  1. FCFS [First come first serve] process scheduling.
  2. SJRF [Shortest jon remaining first]
  3. RR [Round Robin] process scheduling
  4. Priority preemptive process scheduling
  5. Multilevel feedback queue process scheduling
Question 4 Multiple Choice (Single Answer)

Information associated with each process is stored in

  1. program counter
  2. file
  3. process state
  4. process control block
  5. directory
Question 5 Multiple Choice (Single Answer)

Which of the following file systems allows more efficient use of hard drive space and allows partitions up to 8 GB using 4 KB cluster sizes?

  1. FAT32
  2. FAT16
  3. NTFS5
  4. NTFS4
  5. FAT14
Question 6 Multiple Choice (Single Answer)

Second generation of operating systems use which of the following electronic device?

  1. Tansistors
  2. Vacuum tubes
  3. Integrated Circuit (IC)
  4. Large scale integration
  5. Punch-card
Question 7 Multiple Choice (Single Answer)

A program that controls the execution of application programs and acts as an interface between the user of a computer and the computer hardware is called a/an

  1. loader
  2. operating system
  3. assembler
  4. compiler
  5. interpreter
Question 8 Multiple Choice (Single Answer)

Which file system is used by Windows 2000 operating system?

  1. NTFS4
  2. NTFS5
  3. FAT16
  4. HPSC
  5. FAT32
Question 9 Multiple Choice (Single Answer)

Which of the following extensions is used by executable file?

  1. c
  2. com
  3. doc
  4. obj
  5. txt
Question 10 Multiple Choice (Single Answer)

In an operating system, a thread is a

  1. program in execution
  2. lightweight process (LWP)
  3. group of instruction
  4. request to the operating system to perform any task
  5. task
Question 11 Multiple Choice (Single Answer)

Which of the following is not a necessary condition for deadlock?

  1. Mutual inclusion
  2. Mutual exclusion
  3. Hold and wait
  4. No-preemption
  5. Circular wait
Question 12 Multiple Choice (Single Answer)

Which part of Process Control Block includes a process priority, pointers to scheduling queues, and any other scheduling parameters.

  1. Memory-management information
  2. CPU-scheduling information
  3. CPU registers
  4. Program counter
  5. Process state
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