Memory management

Identify the type of memory that is used to store frequently used data and is faster than main memory.

• A) Virtual Memory
• B) Secondary Memory
• C) Cache Memory
• D) Tertiary Memory

What is the maximum amount of memory that can be accessed by a 32-bit processor?

• A) 2 GB
• B) 4 GB
• C) 8 GB
• D) 16 GB

Which of the following is a benefit of using Memory Mapped I/O?

• A) It is faster than I/O mapped I/O
• B) It requires fewer hardware resources
• C) It simplifies programming
• D) All of the above

In which memory allocation method does the operating system allocate memory to the process in blocks or segments?

• A) Contiguous
• B) Non-contiguous
• C) Hybrid
• D) Paging

Which memory management technique involves dividing the memory into equal sized partitions?

• A) Segmentation
• B) Swapping
• C) Paging
• D) Fixed Partitioning

Which of the following statements about memory fragmentation is true?

• A) It occurs when there is not enough memory available for a process
• B) It can be solved by using dynamic partitioning
• C) It can result in wasted memory space
• D) It is a non-issue in embedded systems

Which of the following is an advantage of using a memory pool?

• A) It reduces memory fragmentation
• B) It is easy to implement
• C) It is a type of virtual memory
• D) It increases the size of the heap

What is the function of a Memory Management Unit (MMU)?

• A) It maps virtual addresses to physical addresses
• B) It manages the allocation of memory resources
• C) It controls the CPU cache
• D) It translates machine language into assembly language

What is the main disadvantage of using bank switching for memory expansion in embedded systems?

• A) It requires more hardware resources than other techniques
• B) It is slower than other techniques
• C) It is less flexible than other techniques
• D) It can cause problems with software compatibility