The unit of the computer system that directs and supervises other units is called the
An opening on the motherboard of a system unit where expansion cards can be inserted is known as
Headers and footers are used in Microsoft Word documents to
If today's date is 02/02/2008, what will be the result of typing "=today() - 1" in a cell of a spreadsheet?
The act of translating data into a secret code is known as
