| Acronym | Meaning |
| ACL | Access Control List |
| ADC | Analog-to-Digital Converter |
| ADF | Automatic Document Feeder |
| ADSL | Asymmetric Digital Subscriber Line |
| AGP | Accelerated Graphics Port |
| AIFF | Audio Interchange File Format |
| AIX | Advanced Interactive Executive |
| ANSI | American National Standards Institute |
| API | Application Program Interface |
| ARP | Address Resolution Protocol |
| ASCII | American Standard Code For Information Interchange |
| ASP | Active Server Page |
| ASP | Application Service Provider |
| ATA | Advanced Technology Attachment |
| ATM | Asynchronous Transfer Mode |
| BASIC | Beginner's All-purpose Symbolic Instruction Code |
| BCC | Blind Carbon Copy |
| BIOS | Basic Input/Output System |
| BLOB | Binary Large Object |
| BMP | Bitmap |
| CAD | Computer-Aided Design |
| CC | Carbon Copy |
| CCD | Charged Coupled Device |
| CD | Compact Disc |
| CD-R | Compact Disc Recordable |
| CD-ROM | Compact Disc Read-Only Memory |
| CD-RW | Compact Disc Re-Writable |
| CDMA | Code Division Multiple Access |
| CGI | Common Gateway Interface |
| CISC | Complex Instruction Set Computing |
| CMOS | Complementary Metal Oxide Semiconductor |
| CMYK | Cyan Magenta Yellow Black |
| CPA | Cost Per Action |
| CPC | Cost Per Click |
| CPL | Cost Per Lead |
| CPM | Cost Per 1,000 Impressions |
| CPS | Classroom Performance System |
| CPU | Central Processing Unit |
| CRM | Customer Relationship Management |
| CRT | Cathode Ray Tube |
| CSS | Cascading Style Sheet |
| CTP | Composite Theoretical Performance |
| CTR | Click-Through Rate |
| DAC | Digital-to-Analog Converter |
| DBMS | Database Management System |
| DDR | Double Data Rate |
| DDR2 | Double Data Rate 2 |
| DHCP | Dynamic Host Configuration Protocol |
| DIMM | Dual In-Line Memory Module |
| DLL | Dynamic Link Library |