Operating System 2

What is the purpose of virtual memory?

• To limit the number of programs that can run concurrently

• To reduce the need for physical RAM

• To decrease the size of programs that can be handled

• To expand the system's perceived memory resources

What is the function of the Memory Management Unit (MMU) in virtual memory?

• To monitor the system's memory usage

• To control the execution of processes

• To manage the allocation of virtual memory

• To translate virtual addresses to physical addresses

What is Demand Paging in virtual memory?

• Swapping pages between different processes

• Loading pages into RAM only when needed

• Removing pages from RAM when not in use

• Loading all pages into RAM at once

What happens during a Page Fault in virtual memory?

• The process completes execution successfully

• The process attempts to access a page not in RAM

• The process is terminated by the OS

• The process is paused temporarily

What is the benefit of virtual memory in terms of Concurrent Execution?

• Increasing the size of physical RAM

• Limiting the number of processes that can run concurrently

• Reducing the complexity of memory management

• Enabling multitasking with the illusion of more physical memory

What is a potential downside of Paging in memory management?

• Internal fragmentation due to fixed-size pages

• External fragmentation due to variable-sized segments

• Lack of flexibility in memory allocation

• Inability to map virtual addresses to physical memory

What is the primary strength of Segmentation in memory management?

• Contiguous memory blocks for easy access

• Flexible mapping of virtual addresses to physical memory

• Fixed-size pages for efficient memory allocation

• Variable-sized segments based on program needs

What is the downside of Segmentation in memory management?

• Inability to handle multitasking processes

• Lack of support for demand paging

• Internal fragmentation due to variable-sized segments

• External fragmentation due to contiguous memory blocks

What is the purpose of Page Swap in virtual memory?

• To free up a frame in RAM by moving a page to the hard disk

• To speed up the execution of processes

• To increase the size of physical RAM

• To allocate more memory to a running process

What is the role of the OS in managing virtual memory?

• Executing processes in a sequential manner

• Mapping virtual addresses to physical memory locations

• Monitoring network connections

• Translating virtual addresses to physical addresses