AC Access Class
AC Air Conditioning
AFC Automatic Frequency Control
AFS Andrew File System
AGP Accelerated Graphics Port
AC Alternating Current
PCI Peripheral Component Interconnect/Interface
PCL Printer Command Language
AC Area Code
AI Analog Input
AI Artificial Intelligence
ASN Abstract Syntax Notation
ESA European Space Agency
GPS Global Positioning System
BER Bit Error Rate
ISP Internet Service Provider
BIC Bus Interface Controller
BIC Business Information Centre
ISP Interrupt Stack Pointer
BSD Berkely Standard Distribution
CAS Channel Associated Signalling
PCI Preemption Capability Indicator
CAS Centralized Accounting System
CAT Computer Aided Testing
CC Carbon Copy
DCL Digital Control Logic
DD Due Date
DD Digital Display
DECT Digital Enhanced Cordless Telecommunications
DES Data Encryption Standard
EC Electronic Commerce