Whois

1. A utility on UNIX systems that provides information about other users who are logged on to the same system. See also UNIX and utility. 2. An Internet database service that provides identity and contact information about owners of domain names. See also database, Domain Name System, and Internet.

• ABR (Available Bit Rate)
• absorption
• abstruse
• AC-3 (Adaptive Transform Coder 3)
• AC-3 (Adaptive Transform Coder 3)
• AC (Alternating Current)
• A Carrier
• acceptance angle
• Access BPL (Access Broadband over Power Line)
• Access BPL (Access Broadband over Power Line)
• access broadband over power line (Access BPL)
• access broadband over power line (Access BPL)
• access charges
• access circuit
• Access Manager
• access node
• access point (AP)
• access rate
• access service
• access tandem switch
• account code
• accounting management
• ACD (Automatic Call Distributor)
• ACELP (Algebraic Code Excited Linear Prediction)
• ACK (ACKnowledgement)