In systems using virtual memory, some memory frames are made permanently resident i.e., pages loaded into those frames can never be paged out to make space for resolving a page fault. Of what use would such ‘resident frames’ be to the OS?

Assembly language refers to:

An operating systems generally does not talk directly to disk drives.

The basic data unit in the Transmission Control Protocol is called a(n) __________.

How many layers does OSI Reference Model has?

Machine code, op code, and assembly language all refer to the same thing. The terms are synonyms.

Match the following with the most accurate description. No responses should be used more than once.

A virus differs from a worm in that a virus needs a program to be a ‘carrier’ in order for it to spread, but a worm does not.

We saw that DMA is a feature computers offer certain peripheral devices for the transfer of their data. Which of these controller devices would you expect uses DMA?

Host IP address + port number = __________ .