4 votes 4 votes Overlay is a part of an operating system a specific memory location a single contiguous memory that was used in the olden days for running large programs by swapping overloading the system with many user files Operating System go-os-1 operating-system memory-management overlay + – Bikram asked Sep 3, 2016 Bikram 626 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes There no difference between overlays as well as virtual memory except in overlays larger size program which scaled more size than main memory is handled via user whereas in virtual memory it is handled via OS. So option C will be right option. Paras Nath answered Nov 24, 2016 Paras Nath comment Share Follow See all 0 reply Please log in or register to add a comment.