Replace Typewriters, Postal Mail and Fax

You will be learning about the pieces that go together to make a computer system and how to recognize them. To help you with this we will look at some things you might already know about.

	A computer is like a typewriter but you never have to retype a whole page just because it has one mistake.
A computer is like a mailbox - - only faster.
	A computer takes the place of a fax machine.