________ is a variety of technologies for managing computer resources by providing an abstraction layer between the software and the physical hardware.

Which is NOT a Total row summary function?

A) SUM B) AVERAGE C) TODAY D) COUNT

In a paged memory allocation scheme, to find the actual position of an instruction in memory, first the page number and displacement are determined. Then the operating system refers to the job's PMT to correlate the page with its page frame.

Answer the following statement true (T) or false (F)