C's

C - Country
CA - Computer Animation
CAC - Connection Admission Control
CACP - Central Arbitration Control Point
CAD - Computer Aided Design
CAM - Common Access Method
CAM - Computer Aided Machining
CAN - Campus Area Network
CAP - Competitive Access Provider
CAP - Carrierless Amplitude and Phase
CAS - Column-Address Select
CASE - Computer Aided Software Engineering
CATANET - Concatanated Network
CATV - Cable Television
CAV - Constant Angular Velocity
CB - Citizens Band
CB - Component Broker
CBR - Constant Bit Rate
CBT - Computer Based Training
CC - Carbon Copy
CCB - Command Control Block
CCITT - Comite Consultatif International Telephonique et Telegraphique (International Telephone And Telegraph Consultative Commitee)
CCS - Common Channel Signaling
CCS - Common Command Set
CCTV - Closed Circuit Television
CD - Carrier Detect
CD - Compact Disc
CDC - Control Data Corporation
CD-DA - Compact Disc - Digital Audio
CDDI - Copper Distributed Data Interface
CDFS - CD-ROM File System
CDI - Compact Disc Interactive
CDIA - Certified Document Imaging Architect
CDMA - Code Division Multiple Access
CDPD - Cellular Digital Packet Data
CD-R - Compact Disc - Recordable
CD-RW - Compact Disc - Re-Writable
CD-ROM - Compact Disc - Read Only Memory
CDV - Cell Delay Variation
CDVT - Cell Delay Variation Tolerance
CE - Consumer Electronics
CERFNET - California Educational Research Network
CERT - Computer Emergency Response Team
CES - Circuit Emulation Services
CF - Carry Flag
CFP - Computers, Freedom and Privacy
CGA - Color Graphics Adapter
CGI - Common Gateway Interface
CGM - Computer Graphics MetaFile
CHAP - Challenge-Handshake Authentication Protocol
CHS - Cylinders / Heads / Sectors
CICS - Customer Information Control System
CIDR - Classless Inter-Domain Routing
CIF - Cells In Frame
CIM - Common Information Model
CIO - Chief Information Officer
CIR - Committed Information Rate
CIS - CompuServe Information Services
CISC - Complex Instruction Set Computing
CLE - Customer Located Equipment
CLEC - Competetive Local Exchange Carrier
CLP - Cell Loss Priority
CLR - Cell Loss Ratio
CLV - Constant Linear Velocity
CMI - Cable Microcell Integrator
CMI/HIC - Cable Microcell Integrator / Headend Interface Converter
CMIP - Common Management Information Protocol
CMOS - Complimentary Metal Oxide Semiconductor
CMP - Communications Plenum Cable
CMR - Communications Riser Cable
CMS - Code Management System
CMYK - Cyan, Magenta, Yellow Key
CN - Common Name
CNA - Certified Network Administrator
CNC - Computer Numeric Control
CNE - Certified Network Engineer
CNS - Certified Novell Salesperson
CO - Central Office
COA - Certificate Of Authenticity
COAST - Cache On A Stick
COBOL - Common Business Oriented Language
CODEC - Coder / Decoder
CODEC - Compression / Decompression
COMDEX - Communications Development Exposition
COPS - Concept Oriented Programming System
CORBA - Common Object Request Broker Architecture
COS - Class Of Service
COSMOS - Computer System for Mainframe Operations
CoSysOp - Co-Systems Operator
COW - Charachter-Oriented Windows Interface
CPE - Customer Premises Equipment
CP/M - Control Program / Microcomputer
CPS - Charachters Per Second
CPU - Central Processing Unit
CR - Carriage Return
CRC - Cyclical Redundancy Checking
CRN - Computer Reseller News
CRT - Cathode Ray Tube
C-SCANS - Client-Systems Computer Access Networks
CSD - Corrective Service Diskettes
CSID - Calling Station Identification
CSLIP - Compressed Serial Line Internet Protocol
CSMA - Carrier Sense Multiple Access
CSMA/CD - Carrier Sense Multiple Access - Collision Detection
CSNET - Computer Science Network
CSP - CompuCom Speed Protocol
CSS - Cascading Style Sheets
CSU - Channel Service Unit
CT - Computer Telephony
CTD - Cell Transfer Delay
CTI - Computer-Telephony Integration
CTS - Clear To Send Signal
CTTC - Copper To The Curb
CTTH - Copper To The Home
CTTY - Console Teletype
CUI - Centre Universitaire d'Informatique
CUT - Control Unit Terminal
CVF - Compressed Volume File
CW - Continuous Wave
CWT - Call Waiting
CYBORG - Cybernetic Organism