Monday, July 5, 2010

What Is a Modem? What is electronic Mail?

Modem : (Modulator-demodulator) Is a device That Links Computers over telephones line. it Convert digital signals from a computer into analogue(continous) signals on a telecommunication network and vice versa


Electronic mail : Electronic mail (E-mail) Is the information directed to specific users. screens or held in computer mail box for access by users who type in codes information held on a bulletin board can be accessed by any user

No comments:

Post a Comment