| 2D | two-Dee | (in) two dimensions | |
| 3D | three-Dee | (in) three dimensions | |
| 4G | four-Gee | fourth generation (technology) | |
| 5G | five-Gee | fifth generation (technology) | |
| A/C | A - cee | air conditioning | |
| AC | A - cee | alternating current | |
| AI | A - eye | artificial intelligence | |
| AIM | A - eye - em | amplitude intensity modulation | |
| AL/ al | aluminium | aluminium | |
| ALU | A - ell - you | arithmetic logic unit | |
| AM | A - em | amplitude modulation | a radio style -vs- FM or SW |
| amp | amp | ampere(s)/ amplifier | |
| app | ap | application | new word for "comp. program" |
| AR | a. R. | augmented reality | |
| ARCNET | ARC-net | attached resource computer network | |
| ASCII | ASS - key | American Standard Code for Information Interchange | |
| ASL | A - ess - ell | American Sign Language | |
| AV | A - vee | audio-visual | |
| BCC | bee - cee - cee | blind carbon copy | |
| BSI | bee - ess - eye | British Standards Institution | |
| btu | bee - tee - you | British thermal unit(s) | |
| C (degrees) | celsius | (degrees) Celsius/ Centigrade [temperature] | |
| CAD | cad | computer aided design | |
| CAD | cad | computer aided design | |
| CAD/CAM | cad or cam | computer aided design (computer aided manufacture) | |
| CART | cart | Communication Access Realtime Translation | |
| CC | carbon copy | carbon copy (duplicate sent to someone not the addressee) | |
| cc | cubic centimetres | cubic centimetres | |
| CC:ed | cee - cede, cee - cee-ing | sending a carbon copy someone | |
| CCTV | closed circuit tv | closed circuit television | |
| CD | cee - Dee | compact disc (player) | |
| CDU | cee - Dee - you | central display unit | |
| CFC | cee - eff- cee | chlorofluorocarbons | |
| CFO | cee - eff- OH | chief financial officer | |
| CGI | cee - Gee - eye | computer generated imagery | |
| CIO | cee - eye - oh | chief information officer/ chief investment officer | |
| comms | comms | communications (a system used in productions) | |
| CPU | cee - Pee - you | central processing unit | |
| CRT | C.R.T. | cathode ray tube | |
| CSIRO | see - rho | Commonwealth Scientific and Industrial Research Organisation (of Australia) | |
| CTO | C.T.O. | chief technology officer | |
| cwt | hundredweight | hundredweight | |
| DAB | D.A.B | digital audio broadcasting (= digital radio) | |
| dB | dee - bee | decibel(s) | "up" or "down" for sound check on mics |
| DC | dee - Cee | direct current | |
| DM | D.M., or direct message | direct message | |
| doc | doc | document | |
| DOE | dee - oh - eee | Department of Energy | |
| DVD | dee - vee - dee | digital video disc/ digital versatile disc | |
| e mail | Email | electronic mail | |
| EPA | eee - Pee - A | Environmental Protection Agency | |
| err/ ERR | err [or AIR-err] | error | |
| esc/ ESC | escape | escape | key on keyboard |
| F (degree) | Fahrenheit | (degrees) Fahrenheit [temperature] | |
| F1/ F2/ F key | eff - ONE; eff - TWO; eff - KEE | function (button) | |
| FDA | eff - dee - A | Food and Drug Administration | |
| FET | F.E.T. [or, if in combination, "fet"] | field-effect transistor | often preceded by term: junction, junction gate, metal-oxide semiconductor |
| FM | eff - em | frequency modulation | a radio style -vs- AM or SW |
| ft | foot (feet if # not exactly one) | one foot, two feet, point-two-five feet | two feet |
| fwd | forward | forward | to send on an email |
| G or GB or gig | gigabyte(s) | gigabyte(s) | |
| gif | Giff, or Jiff, or G.I.F. (religious wars ensue) | graphical interchange format | suffix for image files |
| GMO | gee - em - oh | genetically modified (organism) | |
| GPS | gee - Pee - ess | global positioning system | |
| HD | H.D. | high definition (said of television/ recorder) | |
| HDMI | H.D.M. - eye | high definition multimedia interface | |
| HDPE | H.D.P.E. | high density polyethylene [a kind of plastic] | |
| HTML | H.T.M.L. | hypertext markup language | |
| Hz | hertz | hertz | |
| I/O | eye - oh | input/ output (device) | |
| IC | eye - cee | integrated circuit | |
| ICT | eye - cee - tee | information and communications technology | |
| IEEE | eye - triple - eee | Institute of Electrical and Electronics Engineers | |
| IM | eye - em | instant message/ instant messenger | |
| IP | eye - Pee | intellectual property | |
| IP | eye - Pee | internet protocol | IP address |
| ISDN | eye - S.D.N. | integrated services digital network | |
| ISO | EYE-so | Isolated | Zoom ISO |
| ISP | eye - ess - Pee | internet service provider | |
| IT | eye - Tee | information technology | |
| JFET | JAY - fet | junction field-effect transistor | |
| JUGFET | JUG - fet | junction gate field-effect transistor | |
| K/ KB | kilobyte | kilobyte | |
| k/ km | kill-AH-meter | kilometre | |
| kg/ kilo | kilo | kilogramme/ kilogram (not kilometre) | |
| kWh | kilowatt hours | kilowatt hour(s) | |
| l | litre | litre | |
| LAN | lann | local area network | |
| lb | pound | pound (weight not currency) | |
| LCD | L.C.D. | liquid crystal display | |
| LED | L.E.D. | light emitting diode | |
| MB/ meg | megabytes | megabyte(s) | |
| MDF | M.D.F. | medium-density fibreboard | |
| mic/ mik | mike | microphone | |
| MOSFET | MOSS - fet | metal-oxide semiconductor field-effect transistor | |
| mp3 | em - three - pee | mp3 player/ mp3 file | |
| mpg | em - pee - gee | miles per gallon | |
| mph | em - pee - H | miles per hour | |
| MW | megawatts | megawatts | |
| NASA | NAH-saw | National Aeronautics and Space Administration | |
| NOS | N. O. S. (or "New Old Stock") | New Old Stock | Old mechadise that is still in original box |
| NSFW | not safe for work | not safe for work | |
| OS | operating system =OR= oh-ess | operating system/ Ordinance Survey (map) | Mac-OS, iOS |
| OTS | off the shelf | off the shelf | |
| PA | P.A. | public address (system) | |
| PAL | P.A.L. | programmable array logic | |
| PBX | P.B.X. | private branch exchange | |
| PC/P.C. | pee SEE | personal computer (usually means "Windows machine") | |
| PCB | P.C.B. | printed circuit board | |
| PCM | P.C.M. | pulse code modulation | |
| PET | pett | polyethylene terephthalate | |
| PFM | P.F.M. | pulse frequency modulation | |
| PGA | P.G.A. | pin grid array | |
| PIN | pinn | personal identification number | |
| PP | polypropylene | polypropylene | |
| PPI | pee - pee - eye | parallel port interface | |
| ppm | parts per million | parts per million | |
| psi | pee - ess - eye | pounds per square inch | |
| PTFE | Teflon | polytetrafluoroethylene (= Teflon) | |
| PVC | P.V.C. | polyvinyl chloride | |
| QR code | Q.R. code | quick response code | |
| R&D | R - and - dee | research and development | |
| RAM | ramm | random access memory | |
| RFI | R.F.I. | recommend for improvement | [an OH crew position] |
| RFID | arrh - fid | radio frequency identification | |
| RGB | R.G.B. | red green blue | |
| ROM | romm | read only memory | |
| rpm | R.P.M. | revolutions per minute | |
| RRR [the 3 Rs] | reduce, reuse, and recycle | reduce, reuse, recycle | |
| SCSI | SKUH-zee | small computer system interface | |
| SD | S.D. | standard definition | |
| SDI | S.D. - eye | serial digital interface | |
| SEO | S.E.O. =OR= search engine optimization | search engine optimization | |
| SFDR | S.F.D.R. | spurious free dynamic range | |
| SIM | simm | subscriber identity module | SIM card |
| SMS | S.M.S. | short message service | |
| SNR | S.N.R. | signal-to-noise ratio | |
| SQL | S.Q.L. | structured query language | |
| SSD | S.S.D. | solid state drive | |
| SSI | S.S. - eye | small scale integration/ synchronous serial interface | |
| SSR | S.S.R. | solid state relay | |
| STEM | stem | science, technology, engineering, and maths | |
| SW | short wave | shortwave | a radio style -vs- FM or AM |
| TV or telly | television | television | |
| UHF | U.H.F. | ultra high frequency | a style of video tape |
| url/ URL | U.R.L. | uniform resource locator | |
| USB | U.S.B. | universal serial bus | |
| UV light | ultraviolet light | ultraviolet (light) | |
| VCR | V.C.R. | video cassette recorder | |
| Ver. 2.6 | version 2 point 6 | version number [periods pronounced "point"] | =OR= version number two point six |
| VHF | V.H.F. | very high frequency | |
| VHS | V.H.S. | Video Home System [an audio tape format] | |
| VoIP | voyp | voice over internet protocol (e.g. Skype) | |
| VPN | V.P.N. | virtual private network | |
| VR | vee - arrh | virtual reality (literally meaning very nearly reality) | |
| WAN | wann [w'ann] | wide area network | |
| www | W.W.W. | worldwide web | |
| wysiwyg | WHIZ-ee-wig | "what you see is what you get" | said of a website-making program |
| Ω AASC Ω | A.A.S.C. | Abbrev., Acronyms, and Short Code | Lois' list of AASC |
