Computer Class Test 10

Operating System Class Test

Welcome to your Operating System Class Test Hope you understand the class & now it's time to examine yourself through test. Remember you have only 10 minutes to complete the class test ,after 10 minutes Class test will be automatically submit.ऑपरेटिंग सिस्टम क्लास टेस्ट में आपका स्वागत है। आशा है कि आपको क्लास समझ में आ गई होगी और अब टेस्ट के ज़रिए खुद को परखने का समय आ गया है। याद रखें कि आपके पास क्लास टेस्ट पूरा करने के लिए सिर्फ़ 10 मिनट हैं, 10 मिनट के बाद क्लास टेस्ट अपने आप सबमिट हो जाएगा।

1 / 50

1. What is an operating system?

Collection of hardware components

Interface between hardware and user

A programming language

System utility

2 / 50

2. Which of the following is not an operating system?

Windows 10

Linux

Oracle

macOS

3 / 50

3. The core of an operating system is called:

Shell

Kernel

Command

Process

4 / 50

4. Which of these is a type of real-time operating system?

Windows

DOS

RTOS

Unix

5 / 50

5. Which one manages memory allocation in OS?

Scheduler

Compiler

Memory Manager

Interpreter

6 / 50

6. A process is:

A part of compiler

A running program

A bug in OS

A program not yet executed

7 / 50

7. What is the function of a device driver?

To manage applications

To manage I/O devices

To debug software

To protect system

8 / 50

8. Which of the following is NOT a process state?

New

Ready

Running

Finished

9 / 50

9. Which scheduling algorithm is non-preemptive?

Round Robin

Shortest Job Next

FCFS

Multilevel Queue

10 / 50

10. Deadlock can occur when:

Resources are shared

Processes are independent

Cyclic waiting happens

None of the above

11 / 50

11. Virtual memory is:

Only in Linux

Part of ROM

Extension of RAM using disk

Not used today

12 / 50

12. Which OS is used in smartphones?

Windows

Android

Ubuntu

DOS

13 / 50

13. Swapping involves:

Switching user

Removing software

Moving processes between RAM and disk

None

14 / 50

14. Multitasking OS allows:

One program only

Two users at once

Multiple programs simultaneously

No interaction

15 / 50

15. Semaphore is used for:

Memory management

Device scheduling

Process synchronization

Process termination

16 / 50

16. UNIX is:

Single-user

Real-time OS

Multi-user, multitasking

Compiler

17 / 50

17. Which command shows current directory in Linux?

dir

pwd

18 / 50

18. Thrashing happens when:

CPU is idle

Disk is full

Excessive paging

Memory is free

19 / 50

19. Which is a valid page replacement algorithm?

FIFO

LRU

Optimal

All of the above

20 / 50

20. A shell is:

Hardware

Interface between user and kernel

Scheduler

None

21 / 50

21. Time-sharing OS is:

Single-user

Real-time

Multitasking

All of the above

22 / 50

22. Which OS is open-source?

Windows

Mac

Linux

DOS

23 / 50

23. Which file system is used by Windows?

EXT4

FAT32

HFS

NTFS

24 / 50

24. Which tool is used to diagnose system errors in Windows?

Task Manager

Disk Management

Event Viewer

Paint

25 / 50

25. Process control block (PCB) contains:

CPU info

Process state

Memory limits

All of the above

26 / 50

26. The program counter keeps track of:

RAM usage

Disk usage

Next instruction address

Error logs

27 / 50

27. What is spooling?

A type of scheduling

Storing data for later processing

Memory cleanup

Disk format

28 / 50

28. Linux is based on:

Windows

UNIX

DOS

29 / 50

29. Context switch refers to:

CPU halt

Switching from user mode to kernel mode

Saving state of one process and loading another

None

30 / 50

30. Main memory is also called:

Secondary storage

ROM

RAM

Cache

31 / 50

31. Which OS can run multiple user applications at once?

Batch

Multiprogramming

Real-time

Single-tasking

32 / 50

32. Paging is a technique of:

Process scheduling

Memory management

Disk management

File handling

33 / 50

33. What is the smallest unit of data in memory management?

Block

Byte

Page

Segment

34 / 50

34. An interrupt is:

Signal from CPU

Hardware or software signal for attention

Power failure

Error in OS

35 / 50

35. Which of the following is not I/O scheduling?

SSTF

FCFS

LRU

SCAN

36 / 50

36. CPU scheduling decisions may take place when:

Process terminates

I/O request

Interrupt occurs

All of the above

37 / 50

37. Which is not a disk scheduling algorithm?

FCFS

SSTF

SCAN

FIFO

38 / 50

38. Booting is the process of:

Loading the OS into memory

Switching user

Formatting drive

Installing OS

39 / 50

39. The portion of OS that is always in memory is:

Shell

Kernel

BIOS

Loader

40 / 50

40. Which OS does not support GUI?

DOS

Windows

Linux

macOS

41 / 50

41. In Round Robin scheduling, time slice refers to:

Time to execute one instruction

Time given to each process

Process termination time

IO wait time

42 / 50

42. Critical section problem arises in:

Batch processing

Multiprocessing

Multithreading

All of the above

43 / 50

43. The scheduler that decides which process runs next is called:

Long-term

Medium-term

Short-term

Context switcher

44 / 50

44. UNIX file system uses:

NTFS

FAT

i-nodes

GPFS

45 / 50

45. Fragmentation occurs in:

CPU

Memory

Cache

46 / 50

46. The technique to run multiple OS on same machine is:

Scheduling

Virtualization

Spooling

Swapping

47 / 50

47. BIOS stands for:

Binary Input Output System

Basic Integrated Operating System

Basic Input Output System

Binary Interface OS

48 / 50

48. Which of the following is volatile memory?

ROM

RAM

HDD

SSD

49 / 50

49. File extensions like .exe or .bat belong to:

Image files

Executable files

Text files

Video files

50 / 50

50. The command to list contents in Linux is:

list

show

dir

Your score is

1. What is an operating system?

2. Which of the following is not an operating system?

3. The core of an operating system is called:

4. Which of these is a type of real-time operating system?

5. Which one manages memory allocation in OS?

6. A process is:

7. What is the function of a device driver?

8. Which of the following is NOT a process state?

9. Which scheduling algorithm is non-preemptive?

10. Deadlock can occur when:

11. Virtual memory is:

12. Which OS is used in smartphones?

13. Swapping involves:

14. Multitasking OS allows:

15. Semaphore is used for:

16. UNIX is:

17. Which command shows current directory in Linux?

18. Thrashing happens when:

19. Which is a valid page replacement algorithm?

20. A shell is:

21. Time-sharing OS is:

22. Which OS is open-source?

23. Which file system is used by Windows?

24. Which tool is used to diagnose system errors in Windows?

25. Process control block (PCB) contains:

26. The program counter keeps track of:

27. What is spooling?

28. Linux is based on:

29. Context switch refers to:

30. Main memory is also called:

31. Which OS can run multiple user applications at once?

32. Paging is a technique of:

33. What is the smallest unit of data in memory management?

34. An interrupt is:

35. Which of the following is not I/O scheduling?

36. CPU scheduling decisions may take place when:

37. Which is not a disk scheduling algorithm?

38. Booting is the process of:

39. The portion of OS that is always in memory is:

40. Which OS does not support GUI?

41. In Round Robin scheduling, time slice refers to:

42. Critical section problem arises in:

43. The scheduler that decides which process runs next is called:

44. UNIX file system uses:

45. Fragmentation occurs in:

46. The technique to run multiple OS on same machine is:

47. BIOS stands for:

48. Which of the following is volatile memory?

49. File extensions like .exe or .bat belong to:

50. The command to list contents in Linux is:

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