Operating System

31. Virtual Memory

is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
✅ The correct answer is B.

32. The term “operating system” means

a set of programs which controls computer working
the way a computer operator works
conversion of high level language into machine code
the way a floppy disk drive operates
✅ The correct answer is A.

38. Multi programming systems ……

Are easier to develop than single programming system
Execute each job faster
Execute more jobs in the same time period
Are used only by large mainframe computer
✅ The correct answer is C.
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