SLR 4 - Paging, segmentation and virtual memory

What does the operating system need to keep track of in main memory?

• The speed of the CPU

• Where data is stored

• The size of the hard disk

• The type of data

What is the initial storage medium for instructions and data?

• RAM

• Cache

• Hard disk

• CD-ROM

What does the OS mark memory spaces as when they are no longer needed?

• Used

• Allocated

• Free

• Reserved

What does the OS use to keep track of which page frame is allocated to each page?

• Segment table

• Address register

• Memory map

• Page table

What is the purpose of virtual memory?

• To extend the limited physical space of memory

• To enhance graphics performance

• To reduce power consumption

• To increase CPU speed

What is a block of sequential addresses in main memory called when a page is loaded?

• Memory block

• Page frame

• Frame

• Segment

What does the OS use to track the allocation of memory for each process in segmentation?

• Page table

• Memory map

• Segment table

• Address register

What is the logical address space of a process?

• The total of physical addresses

• The total of logical addresses

• The total of virtual addresses

• The total of segment addresses

What is the main disadvantage of using virtual memory?

• It increases power consumption

• It slows down the computer system’s performance

• It limits the number of processes

• It reduces the size of the hard disk

What is the purpose of paging in memory management?

• To allocate memory in a contiguous manner

• To allocate memory in a non-contiguous manner

• To increase the size of the hard disk

• To reduce the number of processes