Computer knowledge

 Virtual Memory Exam Questions and Answers Define Virtual memory. What is its main advantage? Virtual memory is a logical technique that allows the execution of processes that are not completely in the main memory of a computer system. Only the main pages of a process are loaded into memory while the remaining pages are kept on the backing store. The main advantage of the virtual memory technique is that it allows users to execute processes that are larger than the actual size of physical memory. What do you know about demand paging? Demand paging is a logical technique, which is commonly used to implement virtual memory in a system. This logical technique has combined features of simple paging and overlaying in a system. In a demand-paged system, each page of a process is stored contiguously in the paging swap space on secondary storage (disk). With demand paging, a page is loaded into main memory only when it is needed (or demanded) during process execution. What is meant by page...