11 . What is a cache in an operating system?
A) A type of memory used to temporarily store frequently accessed data
B) A type of file system
C) A type of synchronization tool
D) A type of kernel module
12. What is a virtual machine in an operating system?
A) A software environment that emulates a computer system and allows multiple operating systems to run on the same physical hardware
B) A type of file system
C) A type of synchronization tool
D) A type of device driver
13. What is a system call in an operating system?
A) A request made by a program to the operating system for a particular service or resource
B) A type of file system
C) A type of synchronization tool
D) A type of kernel module
14. Which of the following is not a type of operating system?
A) Real-time operating system
B) Mobile operating system
C) Server operating system
D) Spreadsheet operating system
15. Which type of operating system is designed to run on desktop or laptop computers?
A) Real-time operating system
B) Mobile operating system
C) Server operating system
D) Personal computer operating system
16. Which type of operating system is designed to run on mobile devices such as smartphones and tablets?
A) Real-time operating system
B) Mobile operating system
C) Server operating system
D) Personal computer operating system
17. Which type of operating system is designed for real-time applications such as industrial control systems and medical devices?
A) Real-time operating system
B) Mobile operating system
C) Server operating system
D) Personal computer operating system
18. Which type of operating system is designed to run on servers and manage network resources?
A) Real-time operating system
B) Mobile operating system
C) Server operating system
D) Personal computer operating system
19. Which type of operating system is designed to run on embedded systems such as digital cameras, routers, and game consoles?
A) Real-time operating system
B) Mobile operating system
C) Server operating system
D) Embedded operating system
20. Which type of operating system is designed to run on supercomputers and high-performance computing clusters?
A) Real-time operating system
B) Mobile operating system
C) Server operating system
D) High-performance computing operating system
