advanced mobile phone service AMPS american standard code for information interchange ASCII asymmetric digital subscriber line ADSL basic input/output system BIOS bit b byte B central processing unit CPU common gateway interface CGI compact disc CD compact disc read-only memory CD-ROM compact disk CD compact disk recordable CD-R compact disk rewritable CD-RW digital audio tape DAT digital versatile disc   digital video disc DVD disc operating system DOS domain name server DNS Encapsulated PostScript EPS extensible markup language XML file allocation table FAT file transfer protocol FTP frequently asked questions FAQ general packet radio service GPRS general public license GPL