| A.D. | Anno Domini |
| a.m. | Ante Meridiem |
| ABC | American Broadcasting Companies inc. |
| AC | Alternating Current |
| ADC | Apple Developer Connection |
| AE | Automatic Exposure |
| AF | Automatic Focus |
| AI | Artificial Intelligence |
| AIDS | Acquired ImmunoDeficiency Syndrome |
| AIFF | Audio Interchange File Format |
| AM | Amplitude Modulation |
| API | Application Program Interface |
| APS | Advanced Photo System |
| ASCII | American Standard Code for Information Interchange |
| AT | Automatic Transmission |
| ATM | Adobe Type Manager |
| ATP | Adenosine Tri-Phosphate |
| ATRAC | Advanced TRansform Acoustic Coding |
| ATS | Automatic Train Stop |
| AV | Audio-Visual |
| B.C. | Before Christ |
| BBC | British Broadcasting Corporation |
| BBS | Bulletin Board System |
| bps | bit per second |
| BSD | Berkley Software Distribution |
| CAD | Computer Aided Design |
| CCD | Charge Coupled Device |
| CD | Compact Disc |
| cf. | ConFer |
| CGI | Common Gateway Interface |
| CIA | Central Intelligence Agency |
| CISC | Complex Instruction Set Computer |
| CMYK | Cyan, Magenta, Yellow, blacK |
| CODEC | COmpression/DECompression |
| CPU | Central Processing Unit |
| CRT | Cathode Ray Tube |
| CSS | Cascading Style Sheets |
| CTC | Centralized Traffic Control |
| DAT | Digital Audio Tape |
| DC | Direct Current |
| DCT | Dreams Come True |
| DHCP | Dynamic Host Configuration Protocol |
| DJ | Disc Jockey |
| DNA | DeoxyriboNcleic Acid |
| DPE | Developing, Printing, Enlarging |
| dpi | Dots Per Inch |
| DTM | DeskTop Music |
| DTP | DeskTop Publishing |
| DVD | Digital Versatile Disk |
| EP | Extended Playing |
| EPS | Encapsulated PostScript |
| etc. | ET Cetera |
| FAQ | Frequently Asked Question |
| FBI | Federal Bureau of Investigation |
| FC | Football Club |
| FF | Front engine Front drive |
| FM | Frequently Modulation |
| FTP | File Transform Protocol |
| GB | Great Britain |
| GDP | Gross Domestic Product |
| GHQ | General HeadQuarters |
| GIF | Graphics Interface Format |
| GNP | Gross National Product |
| GPS | Global Positioning System |
| GT | Gran Turismo |
| GUI | Graphical User Interface |
| HB | Hard Black |
| HFS | Hierarchical File System |
| HIV | Human Inmmunodeficiency Virus |
| HSB | Hue, Saturation, Brightness |
| HTML | HyperText Markup Language |
| http | HyperText Transfer Protocol |
| IC | Integrated Circuit |
| ICPO | International Criminal Police Organization |
| ID | IDentification |
| IE | Industrial Engineering |
| IEEE | Institute of Electronic and Electronics Engineers |
| ILO | International Labor Organization |
| IM | Input Method |
| IMF | International Monetary Fund |
| IQ | Intelligence Quotient |
| JAM | Judy And Mary |
| JBS | Jump Broadcasting Station |
| JC | Jump Comics |
| JDK | Java Development Kit |
| JFK | John Fizgerald Kennedy |
| JIS | Japan Industrial Standard |
| JJ | Jitterin' Jinn |
| JPEG | Joint Photographic Expert Group |
| KO | KnockOut |
| laser | Light Application by Stimulated Emission of Radiation |
| LD | Laser Disc |
| LED | Light-Emitting Diode |
| LNG | Liquefied Natural Gas |
| LP | Long Playing |
| LPG | Liquefied Petroleum Gas |
| LSI | Large Scale Integration |
| MD | Mini Disc |
| MFi | Mac Fan Internet |
| MIDI | Musical Instrument Digital Interface |
| MIME | Multipurpose Internet Mail Extensions |
| MIT | Massachusetts Institute of Technology |
| modem | MOdulator/DEModulator |
| MPEG | Motion Picture Experts Group |
| MPW | Macintosh Programmer 's Workshop |
| MRJ | Mac OS Runtime for Java |
| MS | ManuScript |
| NATO | North Atlantic Treaty Organization |
| NBC | National Broadcasting Company |
| NG | No Good |
| NHK | Nippon Hoso Kyokai |
| NY | New York |
| NZ | New Zealand |
| OCR | Optical Character Reader |
| ODA | Official Development Assistance |
| OHP | OverHead Projector |
| OK | Oll Korect |
| ON | Oh/Nagashima |
| OPEC | Organization of Petroleum Exporting Countries |
| OS | Operating System |
| p.m. | Post Meridiem |
| P.S. | PostScript |
| PCM | Pulse Code Modulation |
| PDF | Portable Document Format |
| PF | PianoForte |
| PHS | Personal Handyphone System |
| POS | Point-to-Sales |
| PPP | Point to Point Protocol |
| PR | Public Relations |
| PTA | Parent-Teacher Association |
| R&B | Rhythm and Blues |
| RGB | Red, Green, Blue |
| RISC | Reduced Instruction Set Computer |
| RMC | Ribbon Mascot Comics |
| RNA | RiboNucleic Acid |
| SAS | Southern All Stars |
| SCSI | Small Computer System Interface |
| SF | Science Fiction |
| SI | Système International d'unités |
| SL | Steam Locomotive |
| SN | Signal-to-Noise |
| SOHO | Small Office Home Office |
| SP | Standard Playing |
| TA | Terminal Adapter |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TIFF | Tag Image File Format |
| TNT | TriNitroToluene |
| UDF | Universal Disk Format |
| UFO | Unidentified Flying Object |
| UHF | UltraHigh Frequency |
| UK | United Kingdom |
| UN | United Nations |
| UNESCO | United Nations Educational, Scientific, and Cultural Organization |
| UNICEF | United Nations International Children's Emergency Fund |
| URL | Uniform Resource Locator |
| US | United States |
| USSR | Union of Soviet Socialist Republics |
| UV | UltraViolet |
| VHF | Very High Frequency |
| VHS | Video Home System |
| VIP | Very Important Person |
| VTOL | Vertical TakeOff and Landing |
| VTR | Video Tape Recorder |
| WC | Water Closet |
| WHO | World Health Organization |
| WWW | World Wide Web |
| WYSIWYG | What You See Is What You Get |
| YMCA | Young Men's Christian Association |