| ASN. 1 | a standard for representing simple and structured data |
| access point | a central base station in a bss |
| acknowledgement | a response set by the receiver to indicate successful |
| active document | in the word wide web a document executed at the local site using java |
| adaptive delta modulation | a delta modulation technique in which the value of delta changes according to the amplitude of the analog signal |
| add/drop multiplexer | a SONET device that removes and inserts signal in a path without de multiplexing and re multiplexing |
| address resolution protocol | in TCP/IP a protocol for obtaining the physical address of the node when the internet address is known |
| address space | the total number of addresses available by protocol |
| ADSL lite | a splitter less ADSL this technology allow a ADSL lite modem to be pluged directly into a telephone jack and connected to the computer the splitting is done at the telephone company |
