1. What is an Operating System (OS)?
A) A hardware component
B) System software that manages computer hardware and software resources
C) A programming language
D) A type of application software
A) A hardware component
B) System software that manages computer hardware and software resources
C) A programming language
D) A type of application software
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Answer: B
2. Which of the following is not a type of operating system?
A) Batch OS
B) Time-sharing OS
C) Real-time OS
D) Database OS
A) Batch OS
B) Time-sharing OS
C) Real-time OS
D) Database OS
Show Answer
Answer: D
3. What does the kernel of an OS do?
A) Manages user applications
B) Controls hardware and system resources
C) Provides a user interface
D) Manages file storage
A) Manages user applications
B) Controls hardware and system resources
C) Provides a user interface
D) Manages file storage
Show Answer
Answer: B
4. Which OS is known for its open-source model?
A) Windows
B) Mac OS
C) Linux
D) UNIX
A) Windows
B) Mac OS
C) Linux
D) UNIX
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Answer: C
5. Which of the following is a function of an operating system?
A) Managing memory
B) Providing a user interface
C) Managing processes
D) All of the above
A) Managing memory
B) Providing a user interface
C) Managing processes
D) All of the above
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Answer: D
6. What is multitasking?
A) Running multiple applications at the same time
B) Running a single application
C) Running applications sequentially
D) None of the above
A) Running multiple applications at the same time
B) Running a single application
C) Running applications sequentially
D) None of the above
Show Answer
Answer: A
7. Which scheduling algorithm allocates the CPU to the process with the shortest execution time?
A) First-Come, First-Served
B) Shortest Job First
C) Round Robin
D) Priority Scheduling
A) First-Come, First-Served
B) Shortest Job First
C) Round Robin
D) Priority Scheduling
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Answer: B
8. What does the term "booting" refer to?
A) Starting an application
B) Starting the operating system
C) Shutting down the computer
D) Running a program
A) Starting an application
B) Starting the operating system
C) Shutting down the computer
D) Running a program
Show Answer
Answer: B
9. Which of the following is a command-line operating system?
A) Windows 10
B) MS-DOS
C) Mac OS X
D) Ubuntu
A) Windows 10
B) MS-DOS
C) Mac OS X
D) Ubuntu
Show Answer
Answer: B
10. In which OS can you find the concept of 'threads'?
A) Batch OS
B) Time-sharing OS
C) Real-time OS
D) All of the above
A) Batch OS
B) Time-sharing OS
C) Real-time OS
D) All of the above
Show Answer
Answer: D
11. What is a GUI?
A) Graphical User Interface
B) General User Interface
C) Graphic Utility Interface
D) None of the above
A) Graphical User Interface
B) General User Interface
C) Graphic Utility Interface
D) None of the above
Show Answer
Answer: A
12. Which of the following is an example of a real-time operating system?
A) Windows
B) RTOS
C) Linux
D) Mac OS
A) Windows
B) RTOS
C) Linux
D) Mac OS
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Answer: B
13. What is virtual memory?
A) A physical memory
B) Memory that is used by applications
C) An extension of the physical memory
D) None of the above
A) A physical memory
B) Memory that is used by applications
C) An extension of the physical memory
D) None of the above
Show Answer
Answer: C
14. What is the primary purpose of an operating system?
A) Manage software applications
B) Manage hardware resources
C) Manage user interaction
D) All of the above
A) Manage software applications
B) Manage hardware resources
C) Manage user interaction
D) All of the above
Show Answer
Answer: D
15. Which type of operating system is designed for mobile devices?
A) Desktop OS
B) Mobile OS
C) Server OS
D) Network OS
A) Desktop OS
B) Mobile OS
C) Server OS
D) Network OS
Show Answer
Answer: B
16. What does the term 'swap space' refer to?
A) Temporary storage on disk
B) Permanent storage
C) A type of memory
D) None of the above
A) Temporary storage on disk
B) Permanent storage
C) A type of memory
D) None of the above
Show Answer
Answer: A
17. Which of the following is a characteristic of a distributed operating system?
A) Resource sharing
B) Local management of resources
C) No central control
D) A and C
A) Resource sharing
B) Local management of resources
C) No central control
D) A and C
Show Answer
Answer: D
18. What is the main function of file management in an OS?
A) Execute applications
B) Store and retrieve files
C) Manage system resources
D) None of the above
A) Execute applications
B) Store and retrieve files
C) Manage system resources
D) None of the above
Show Answer
Answer: B
19. Which is an example of a network operating system?
A) Windows 10
B) UNIX
C) Linux
D) Mac OS
A) Windows 10
B) UNIX
C) Linux
D) Mac OS
Show Answer
Answer: B
20. Which layer of the operating system interacts directly with the hardware?
A) Application layer
B) User interface layer
C) Kernel layer
D) System call layer
A) Application layer
B) User interface layer
C) Kernel layer
D) System call layer
Show Answer
Answer: C
21. What is a primary benefit of using an operating system?
A) Simplifies user interaction with hardware
B) Increases hardware efficiency
C) Manages multitasking
D) All of the above
A) Simplifies user interaction with hardware
B) Increases hardware efficiency
C) Manages multitasking
D) All of the above
Show Answer
Answer: D
22. Which command is used to display the current directory in a command-line interface?
A) pwd
B) ls
C) dir
D) cd
A) pwd
B) ls
C) dir
D) cd
Show Answer
Answer: A
23. What is the purpose of device drivers?
A) To manage applications
B) To communicate with hardware
C) To improve OS performance
D) None of the above
A) To manage applications
B) To communicate with hardware
C) To improve OS performance
D) None of the above
Show Answer
Answer: B
24. Which OS is widely used for servers?
A) Windows
B) Linux
C) Mac OS
D) Android
A) Windows
B) Linux
C) Mac OS
D) Android
Show Answer
Answer: B
25. What does the term 'process' refer to in an OS?
A) A program in execution
B) A static application
C) A software installation
D) None of the above
A) A program in execution
B) A static application
C) A software installation
D) None of the above
Show Answer
Answer: A
26. What does 'paging' do in memory management?
A) Increases the size of memory
B) Allows data to be stored in pages
C) Moves data between RAM and disk
D) None of the above
A) Increases the size of memory
B) Allows data to be stored in pages
C) Moves data between RAM and disk
D) None of the above
Show Answer
Answer: C
27. Which of the following operating systems is not based on UNIX?
A) Linux
B) Solaris
C) Windows
D) AIX
A) Linux
B) Solaris
C) Windows
D) AIX
Show Answer
Answer: C
28. What is a system call?
A) A request to the operating system
B) A call made by applications
C) A type of process
D) None of the above
A) A request to the operating system
B) A call made by applications
C) A type of process
D) None of the above
Show Answer
Answer: A
29. Which type of OS can be used for embedded systems?
A) Real-time OS
B) Batch OS
C) Network OS
D) None of the above
A) Real-time OS
B) Batch OS
C) Network OS
D) None of the above
Show Answer
Answer: A
30. What is the main function of an OS in a computer?
A) To execute applications
B) To manage hardware and software resources
C) To provide a graphical interface
D) All of the above
A) To execute applications
B) To manage hardware and software resources
C) To provide a graphical interface
D) All of the above
Show Answer
Answer: D
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