Recent questions tagged memory-management

Consider a paging system with the page table stored in memory.a. If a memory reference takes 50 nanoseconds, how long does a paged memory reference take ?b. If we add $TL...

Consider a logical address space of $256$ pages with a $4-KB$ page size, mapped onto a physical memory of $64$ frames.$a$. How many bits are required in the logical addre...

The BTV operating system has a $21-bit$ virtual address, yet on certain embedded devices, it has only a $16-bit$ physical address. It also has a $2-KB$ page size. How man...

Assuming a $1$ $KB$ page size, what are the page numbers and offsets for the following address references (provided as decimal numbers):$a. 3085$$b. 42095$$c. 215201$$d. ...

Most systems allow a program to allocate more memory to its address space during execution. Allocation of data in the heap segments of programs is an example of such allo...

Given six memory partitions of $300$ $KB$, $600$ $KB$, $350$ $KB$, $200$ $KB$, $750$$ KB$ and $125$$KB$ (in order), how would the $first-fit$, $best-fit$, and $worst-fit...

Consider a logical address space of $64$ pages of $1,024$ words each, mapped onto a physical memory of $32$ frames.$a$. How many bits are there in the logical address ?$b...

Why are page sizes always powers of 2 ?

Please explain it with solution or concept.

How much memory is used for page tables, when there are $10$ process running in the system with the below details?Virtual Address space: $1GB$Page size: $1KB$Each page ta...

If there is 2 or more level paging for processes, is it possible to have more than 1 page fault while accessing any single addressable unit(byte or word) ?

Consider a computer system with $32-$ bit virtual addressing and page size of sixty-four kilobytes. The computer system has one-level page table per process with each pag...