| Abbreviation |
Full form |
| 2D |
Two Dimensional |
| 2FA |
Two-factor Authentication |
| 2G |
Second Generation |
| 3D |
Three Dimensional |
| 3G |
Third Generation |
| 3GPP |
3rd Generation Partnership Project |
| 5G |
Fifth Generation |
| 24/7 |
Twenty-Four Seven |
| AAC |
Advanced Audio Coding |
| AAM |
Automatic Acoustic Management |
| ABC |
Atanasoff–Berry Computer |
| AbEnd |
Abnormal End |
| ABIOS |
Advanced Basic Input / Output System |
| AC |
Alternating Current |
| ACE |
Access Control Entry |
| ACK |
Acknowledgment |
| ACL |
Access Control List |
| ACM |
Association for Computing Machinery |
| ACPI |
Advanced Configuration and Power Interface |
| ACR |
Attenuation-to-crosstalk Ratio |
| AD |
Active Directory |
| ABP |
Adblock Plus |
| ADC |
Analog-to-Digital Converter |
| ADO |
ActiveX Data Objects |
| ADPCM |
Adaptive Differential Pulse-Code Modulation |
| ADSI |
Analog Display Services Interface |
| ADSL |
Asymmetric Digital Subscriber Line |
| AE |
Adobe After Effects |
| AES |
Advanced Encryption Standard |
| ADB |
Apple Desktop Bus |
| AF |
Autofocus |
| AGP |
Accelerated Graphics Port |
| AHCI |
Advanced Host Controller Interface |
| AI |
Artificial Intelligence |
| AIM |
AOL Instant Messenger |
| AIML |
Artificial Intelligence Markup Language |
| AIO |
All-in-one |
| AIX |
Advanced Interactive Executive |
| ALGOL |
Algorithmic Language |
| ALPHA |
ALPHA |
| ALU |
Arithmetic Logic Unit |
| AMA |
Ask Me Anything |
| AMOLED |
Active-Matrix Organic Light-Emitting Diode |
| AMP |
Ampere |
| ANI |
Automatic Number Identification |
| ANSI |
American National Standards Institute |
| Anti-aliasing |
Anti-aliasing |
| AOP |
Aspect-Oriented Programming |
| AOSP |
Android Open-Source Project |
| APIC |
Advanced Programmable Interrupt Controller |
| APM |
Advanced Power Management |
| App |
Mobile Application |
| AR |
Augmented Reality |
| ARCNET |
Attached Resource Computer Network |
| Arg |
Argument |
| ARP |
Address Resolution Protocol |
| ARPA |
Advanced Research Projects Agency |
| ARPANET |
Advanced Research Projects Agency Network |
| ARQ |
Automatic Repeat Request |
| AS/400 |
Application System/400 (AS/400) |
| AS |
Autonomous System |
| ASN |
Autonomous System Number |
| ASN.1 |
Abstract Syntax Notation One |
| ASPI |
Advanced SCSI Programming Interface |
| AT |
Advance Technology |
| ATAPI |
Advanced Technology Attachment Packet Interface |
| ATF |
Above the fold |
| ATRAC |
Adaptive Transform Acoustic Coding |
| ATX |
Advanced Technology eXtended |
| AUI |
Attachment Unit Interface |
| AUP |
Acceptable Use Policy |
| AV |
Antivirus |
| AVC |
Advanced Video Coding |
| AVI |
Audio Video Interleave |
| AVR |
Automatic Voltage Regulator |
| AWS |
Amazon Web Services |
| B2B |
Business-to-Business |
| BAT |
Baby AT |
| BB |
Broadband |
| BBS |
BIOS Boot Specification |
| BBS |
Bulletin Board System |
| BCC |
Blind Carbon Copy |
| BER |
Bit Error Rate |
| BGA |
Ball Grid Array |
| BGP |
Border Gateway Protocol |
| BHO |
Browser Helper Object |
| BIND |
Berkeley Internet Name Domain |
| BNC |
Bayonet Neill–Concelman |
| BOINC |
Berkeley Open Infrastructure for Network Computing |
| BOFH |
Bastard Operator From Hell |
| BO |
Back Orifice |
| BOM |
Byte Order Mark |
| BPDU |
Bridge Protocol Data Unit |
| BPL |
Broadband Over Power Lines |
| BPS |
Bits and Bytes per Second |
| BPSK |
Binary Phase Shift Keying |
| Br |
Break Key |
| BRI |
Basic Rate Interface |
| Brouter |
A network device |
| BSB |
Back-Side Bus |
| BSOD |
Blue Screen of Death |
| BSS |
Basic Service Set |
| BTC |
Bitcoin |
| BTX |
Balanced Technology eXtended |
| C2 |
Core 2 |
| CAB |
Cabinet |
| CAP |
Competitive Access Provider |
| CAPTCHA |
Completely Automated Public Turing test to tell Computers and Humans Apart |
| CAS |
Column Address Select or Strobe |
| CASC |
Certificate Authority Security Council |
| CATV |
Community Access Television |
| CBL |
Calculator-Based Laboratory |
| CBT |
Computer Based Training |
| CC |
Cubic Capacity/ Cubic Centimeter / Carbon Copy |
| CC |
Creative Commons |
| CCC |
Catalyst Control Center |
| CCD |
Charge Coupled Device |
| CCDE |
Cisco Certified Design Expert |
| CCFL |
Cold Cathode Fluorescent Lamp |
| CCIE |
Cisco Certified Internetwork Expert |
| CCITT |
International Telegraph and Telephone Consultative Committee |
| CCNA |
Cisco Certified Network Associate |
| CCNP |
Cisco Certified Network Professional |
| CD |
Compact Disc |
| CDA |
Communication Decency Act |
| CD-DA |
Compact Disc Digital Audio |
| CDDB |
Compact Disc Database |
| CDDI |
Copper Distributed Data Interface |
| CDE |
Common Desktop Environment |
| CDFS |
Compact Disc File System |
| CD-i |
Compact Disk-Interactive |
| CDN |
Computer Delivery Network |
| CDP |
Columbia Data Products |
| CDP |
Continuous Data Protection |
| CDP |
Certificate in Date Processing |
| CDP |
Content delivery Platform |
| CD-R |
Compact Disk Recordable |
| CD-ROM |
Compact Disc Read-Only Memory |
| CD-ROM XA |
CD-ROM Extended Architecture |
| CD-RW |
Compact Disc Read Writable |
| CDSL |
Consumer Digital Subscriber Line |
| CentOS |
Community Enterprise Operating System |
| CERN |
Conseil Européen pour la Recherche Nucléaire |
| CERT |
Computer Emergency Response Team |
| CES |
Consumers Electronics Show |
| CF |
CompactFlash |
| CGA |
Color Graphics Adapter |
| CGI |
Common Gateway Interface |
| CH |
CollegeHumor |
| CHAP |
Challenge-Handshake Authentication Protocol |
| CHAR |
Character |
| ChDir |
Change Directory |
| CHS |
Cylinder-Head-Sector |
| CIDR |
Classless Inter-Domain Routing |
| CIFS |
Common Internet File System |
| CIM |
Common Information Model |
| CIR |
Committed Information Rate |
| CISC |
Complex Instruction Set Computer |
| CISSP |
Certified Information Systems Security Professional |
| CLI |
Command Line Interface |
| CLNS |
Connectionless Network Service |
| CLOS |
Common Lisp Object System |
| CLR |
Common Language Runtime |
| CMA |
Computer Misuse Act |
| CMC |
Computer Mediated Communication |
| CMOS |
Complementary Metal-Oxide Semiconductor |
| CMS |
Content Management System |
| CMYK |
Cyan, Magenta, Yellow and Key or Black |
| CNCT |
Certified Network Computer Technician |
| CNE |
Certified Novell Engineer |
| CNR |
Communications and Networking Riser |
| CNST |
Computer Network System Technician |
| COA |
Certificate of Authenticity |
| COASt |
Cache on a Stick |
| COB |
Chip On Board |
| COBOL |
Common Business-Oriented Language |
| COM |
Component Object Model |
| COMDEX |
Computer Dealers' Exhibition |
| Celsius |
Temperature measuring scale |
| Certificate Authority |
Certificate Authority |
| CrunchBang Linux |
CrunchBang Linux |
| Cascading Style Sheets |
Cascading Style Sheets |
| Cellular Telephone |
Cellular Telephone |
| Certification (Cert) |
Certification (Cert) |
| Chirp Spread Spectrum |
Chirp Spread Spectrum |
| Code Segment |
Code Segment |
| Codec |
Codec |
| Electromagnetic Coil |
Electromagnetic Coil |
| CE: Collectors' Edition |
CE: Collectors' Edition |
| CompTIA (Computing Technology Industry Association) |
CompTIA (Computing Technology Industry Association) |
| CGI |
Computer-Generated Imagery |
| Computer Output Microfilm |
Computer Output Microfilm |
| Computer Service Technician |
Computer Service Technician |
| COPPA |
Children's Online Privacy Protection Act |
| Core Dump |
Core Dump |
| CPA |
Cost per action |
| CPAN |
Comprehensive Perl Archive Network |
| CPC |
Cost per Click |
| CPGA |
Ceramic Pin Grid Array |
| CPL |
Combined Programming Language |
| CPM |
Cost per mile |
| CR |
Carriage Return |
| CRC |
Cyclic Redundancy Check |
| CRL |
Certificate Revocation List |
| CRM |
Customer Relationship Management |
| CSMA |
Carrier Sense Multiple Access |
| CSNET |
Computer Science Network |
| CSS |
Content Scramble System |
| CSU/DSU |
Channel Service Unit/Data Service Unit |
| CSV |
Comma-Separated Values |
| CTA |
Call to action |
| CTCP |
Client-to-client protocol |
| CTD |
Crash to Desktop |
| CTO |
Chief Technology Officer |
| CTR |
Click-through rate |
| Ctrl |
Control Key |
| CU |
Control Unit |
| CUPS |
Common UNIX Printing System |
| Customer Service |
Customer Service |
| CUT |
Coordinated Universal Time |
| CVE |
Common Vulnerabilities and Exposures |
| CVS |
Concurrent Version System |
| D2D |
Disk to Disk |
| DAC |
Digital to Analog Converter |
| DACL |
Discretionary Access Control List |
| Dart |
An open source object-oriented programming language. |
| DASD |
Direct-Access Storage Device |
| DAT |
Digital Audio Tape |
| DAW |
Digital Audio Workstation |
| DB |
Database |
| DBA |
Database Administrator |
| DBAN |
Darik's Boot and Nuke |
| DBMS |
Database Management System |
| DC |
Direct Current |
| DCE |
Data Circuit-terminating Equipment |
| DCOM |
Distributed Component Object Model |
| DDBMS |
Distributed Database Management System |
| DDE |
Dynamic Data Exchange |
| DDL |
Data Definition Language |
| DDNS |
Dynamic DNS |
| DDO |
Disk Drive Overlay |
| DDOS |
Distributed Denial of Service |
| DDR |
Double Data Rate |
| DDR2 SDRAM |
Double Data Rate 2 Synchronous Dynamic Random-Access Memory |
| DDR3 SDRAM |
Double Data Rate 3 Synchronous Dynamic Random-Access Memory |
| DDR4 SDRAM |
Double Data Rate 4 Synchronous Dynamic Random-Access Memory |
| DDS |
Digital Data Storage |
| DEA |
Digital Encryption Algorithm |
| DEC |
Digital Equipment Corporation |
| Denial of Service |
Denial of Service |
| DHCP |
Dynamic Host Configuration Protocol |
| DHTML |
Dynamic Hypertext Markup Language |
| DID |
Direct Inward Dial |
| DIF |
Data Interchange Format |
| Digital Linear Tape |
Digital Linear Tape |
| DIMM |
Dual In-line Memory Module |
| DIP |
Dual In-line Package |
| Disk Operating System |
Disk Operating System |
| DisplayPort |
DisplayPort |
| DIVX |
Digital Video Express |
| Download |
Download |
| Downloadable Content |
Downloadable Content |
| Dynamic Analysis and Replanning Tool |
Dynamic Analysis and Replanning Tool |
| DLA |
Drive Letter Access |
| DLC |
Digital Loop Carrier |
| DLL |
Dynamic-link library |
| DLNA |
Digital Living Network Alliance |
| DLT |
Digital Linear Tape |
| DM |
Direct Message |
| DMFC |
Direct Methanol Fuel Cell |
| Domain Controller |
Domain Controller |
| DCC |
Direct Client-to-Client |
| Discretionary Access Control |
Discretionary Access Control |
| Distributed Computing Environment |
Distributed Computing Environment |
| Distributed Management Task Force |
Distributed Management Task Force |
| D: Dlang |
A multi-paradigm-based programming language. |
| Data Center |
is a committed space, which is used for the purpose of storing computer systems and its components... |
| Dial-on-demand routing |
is a process of routing in which by following a requirement... |
| PLCC |
Plastic-Leaded Chip Carrier |
| TRP |
Television Rating Point |
| WEP |
Wired Equivalent Privacy |
| XHTML |
Extensible Hypertext Markup Language |