Memory Management Quiz

What is the main purpose of memory management in a computer system?

• To determine which processes should be in main memory and where they should be stored

• To optimize the use of hard disk space

• To allocate memory to the CPU processes

• To manage the power consumption of the computer

What is the main disadvantage of single (contiguous) allocation of memory?

• It leads to inefficient use of main memory

• It causes excessive fragmentation of memory

• It requires complex algorithms for memory allocation

• It limits the number of processes that can run simultaneously

What is the purpose of a page table in the context of memory management?

• To map logical addresses to physical addresses

• To track the time of entry for each memory page

• To store the names of all the memory pages

• To manage the allocation of memory to processes

What is the difference between paging and segmentation in memory management?

• Paging uses fixed-size memory blocks, while segmentation uses variable-size memory blocks

• Paging allows for separation of procedures and data, while segmentation does not

• Paging is a visible process to the user, while segmentation is invisible

• Paging reduces the risk of external fragmentation, while segmentation increases it

What is the purpose of virtual memory in a computer system?

• To reduce the power consumption of the computer

• To increase the processing speed of the CPU

• To extend the available RAM by using the hard disk drive (or SSD)

• To store backup copies of the main memory

What is the main advantage of using segmentation over paging in memory management?

• It reduces the risk of internal fragmentation

• It allows for faster access to memory blocks

• It simplifies the process of memory allocation

• It increases the overall memory capacity of the system

What is the function of the segment map table in segmented memory management?

• It manages the allocation of memory to processes

• It maps logical addresses to physical addresses

• It tracks the time of entry for each memory segment

• It stores the names of all the memory segments

What is the role of in demand paging in virtual memory implementation?

• To track the time of entry for each memory page

• To allocate fixed-size memory blocks to processes

• To load pages into memory from HDD (or SSD) whenever required

• To manage the allocation of memory to the CPU processes

What is the purpose of using swap space on the hard disk (or SSD) in virtual memory?

• To reduce the risk of external fragmentation

• To increase the processing speed of the CPU

• To store backup copies of the main memory

• To provide additional memory when the RAM is exceeded

What is the main disadvantage of using fixed-size memory blocks in paging?

• It requires complex algorithms for memory allocation

• It limits the number of processes that can run simultaneously

• It can lead to internal fragmentation

• It increases the risk of external fragmentation