IT Basic

Operating Systems -2

1. Explain how virtual addresses are mapped on to physical addresses. Let’s assume that we have 1M of RAM. RAM is also called physical memory. We can subdivide the RAM into 4K pages. Thus 1M / 4K = 256 pages. Thus, our RAM has 256 physical pages, weach holding 4K. Read more…

By admin, ago
IT Basic

Operating Systems -1

Explain multi-programmed Batched Operating System. Computer multiprogramming is the allocation of a computer system and its resources to more than one concurrent application, job or userIn multiprogramming, concurrent running (sharing of the processor) is achieved when the operating system identifies opportunities to interrupt the handling of one program between tasks Read more…

By admin, ago