Digital describes electronic technology that generates, stores, and processes
data in terms of two states: positive and non-positive. Positive is expressed or
represented by the number 1 and non-positive by the number 0. Thus, data
transmitted or stored with digital technology is expressed as a string of 0's
and 1's. Each of these state digits is referred to as a bit (and a string of
bits that a computer can address individually as a group is a byte).
 |
| What is digital ? |
Prior to digital technology, electronic transmission was limited
to analog technology, which conveys data as electronic signals of varying
frequency or amplitude that are added to carrier waves of a given frequency.
Broadcast and phone transmission has conventionally used analog technology.
Digital technology is primarily used with new physical communications media,
such assatellite and fiber optic transmission. A modem is used to convert the
digital information in your computer to analog signals for your phone line and
to convert analog phone signals to digital information for your computer.
see more: computer of definition
No comments:
Post a Comment