0

Operating System (NCO)

Description: This test contains basic questions of operating system which can be asked in NCO exam for class 10 and 11.
Number of Questions: 15
Created by:
Tags: Operating System Fundamental of Computers
Attempted 0/15 Correct 0 Score 0

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


Correct Option: A
Explanation:

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

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


Correct Option: B
Explanation:

Ready state is state where process is waiting to be assigned to a processor.

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


Correct Option: A
Explanation:

This is a non-preemptive process scheduling.

Information associated with each process is stored in

  1. program counter

  2. file

  3. process state

  4. process control block

  5. directory


Correct Option: D
Explanation:

Information associated with each process is stored in Process control Block.

Which of the following is a first generation optical disk?

  1. Laser disk

  2. Digital versatile disk

  3. HD DVD

  4. Digital Multilayer disk

  5. Holographic versatile disk


Correct Option: A
Explanation:

This is a first generation optical disk.

Which of the following is a primary storage?

  1. DVD

  2. Punch card

  3. Floppy card

  4. ROM

  5. Flash memory


Correct Option: D
Explanation:

This is a primary storage.

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


Correct Option: A
Explanation:

FAT32 file system allows more efficient use of hard drive space and allowed partitions up to 8 GB using 4 KB cluster sizes.

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


Correct Option: A
Explanation:

This device is used by second generation of operating system.

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


Correct Option: B
Explanation:

Operating system is a program that controls the execution of application programs and acts as an interface between the user of a computer and the computer hardware.

Which file system is used by Windows 2000 operating system?

  1. NTFS4

  2. NTFS5

  3. FAT16

  4. HPSC

  5. FAT32


Correct Option: B
Explanation:

NTFS5 file system is used by Windows 2000 operating system.

Which of the following extensions is used by executable file?

  1. c

  2. com

  3. doc

  4. obj

  5. txt


Correct Option: B
Explanation:

This extension is used by executable file.

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


Correct Option: B
Explanation:

A lightweight process (LWP) is called a thread.

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


Correct Option: A
Explanation:

It is not a necessary condition for deadlock.

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


Correct Option: B
Explanation:

CPU-scheduling information includes a process priority, pointers to scheduling queues, and any other scheduling parameters.

In the give options which one is third-generation optical disk?

  1. Compact disk

  2. Blu-ray disk

  3. GD-Rom

  4. Minidisk

  5. Magneto-optical disk


Correct Option: B
Explanation:

This is third-generation optical disk.

- Hide questions