46. What does ROM stand for?
a) Random Only Memory
b) Read Once Memory
c) Randomized Overwritten Memory
d) Read Only Memory
47. What is cache memory?
a) high-speed memory used to improve system performance
b) slow-speed memory used for long-term storage
c) memory used to store the operating system
d) memory used for input/output operations
48. What is virtual memory?
a) a type of cache memory
b) memory that is only used by virtual machines
c) a technique used to increase the effective amount of RAM
d) a type of non-volatile memory
49. Which of the following is not a type of virtual memory?
a) Paging
b) Swapping
c) Thrashing
d) Buffering
50. What is a page fault?
a) when a page is accessed in virtual memory
b) when a page is not found in physical memory
c) when a page is corrupted in physical memory
d) when a page is not found in virtual memory