What are .bas, . doc, .html examples of in computing

Which of the following is not a function of the control unit

When you first turn on a computer, the CPU is preset to execute instructions stored in ………..

The program that allows the OS to work with a printer or a video card is a(n)……….

A program that performs a useful task while simultaneously allowing destructive acts is a……..

Gain entry to a network pretending to be at a legitimate computer is referred to as :