Question

Which can provide more memory than physical memory?

(a) real memory

(b) physical address

(c) virtual memory

(d) segmented address

The question was posed to me during an interview for a job.

My enquiry is from Resource Protection in section Real Time Operating systems of Embedded Systems

Answer 1

Right choice is (c) virtual memory

Explanation: The physical memory can provide more memory than the physical memory within the system. Such memories are divided into segments and pages.