| PDA | Personal Digital Assistance. |
| ALU | Arithmetic Logic Unit. |
| RAM | Random Access Memory |
| ROM | Read Only Memory. |
| DVD | Digital Video Disk. |
| CD | Compact Disk. |
| CD-RW | Compact Disk Rewritable. |
| OMR | Optical Mark Reader. |
| USB | Universal Serial Bus. |
| CAD | Computer Aided Design/Drafting. |
| IPS | Instant Power System. |
| UPS | Uninterruptible Power Supply. |
| AC | Alternating Current / Air Condition. |
| DC | Direct Current. |
| LASER | Light Amplification by Stimulated Emission of Radiation. |
| RADER | Radio Detection And Ranging. |
| ATM | Automated Teller Machine. |
| WWW | World Wide Web. |
| HTTP | Hyper Text Transfer Protocol. |
| IP | Internet Protocol. |
| TCP | Transmission Control Protocol. |
| GPRS | General Packet Radio Service. |
| WAP | Wireless Application Protocol. |
| SIM | Subscriber Identity Module. |
| CDMA | Code Division Multiple Access. |
| GSM | Global System for Mobiles |
| EDGE | Enhanced Data for GSM Evolution |
| ISD | International Subscriber Dialing. |
| FM | Frequency Modulation. |
| ID | Identification. |
| PIN | Personal Identification Number. |
| CMS | Content Management System. |
| DIG | Deputy Inspector General |
| GM | General Manager |
| CEO | Chief Executive Officer. |
| HRD | Human Resources Department. |
| IBM | International Business Machines. |
| ISO | International Organization for Standardization. |
| ISD | International Subscriber Dialing. |
| BBC | British Broadcasting Corporation. |
| CNN | Cable News Network. |
| ESPN | Entertainment and Sports Programming Network. |
| NATO | North Atlantic Treaty Organization. |
| SWAT | Special Weapons And Tactics. |
| SME | Small and Medium Enterprises. |
| WHO | World Health Organization. |
| NGO | Non-Governmental Organization. |
| BDS | Business Development Services. |
| BBC | British Broadcasting Corporation. |
| EU | European Union. |
| IRS | Internal Revenue Service |
| NASA | National Aeronautics and Space Administration. |
| NATO | North Atlantic Treaty Organization. |
| UNICEF | United Nations International Children's Emergency Fund. |
| FBI | Federal Bureau of Investigation. |
| CIA | Central Intelligence Agency. |
| POP | Post Office Protocol. |
| GMT | Greenwich Mean Time. |
| GPS | Global Positioning System. |
| AM | Ante Meridiem (Before noon, morning). |
| PM | Post Meridiem (afternoon, evening). |
| B.C | Before Christ. |
| EST | Eastern Standard Time. |
| U.S.A | United States of America. |
| Ph.D | Doctor of Philosophy. |
| MBBS | Medicinae Baccalaureus, Baccalaureus Chirurgiae (Bachelor of Medicine, Bachelor of Surgery). |
| FCPS | Fellow of College of Physicians and Surgeons. |
| B.A | Bachelor of Arts |
| B.C | Bachelor of commerce |
| BBA | Bachelor of Business Administration. |
| MBA | Master of Business Administration. |
| CSE | Computer Science & Engineering |
| MCS | Master of Computer Science |
| M.Sc | Master of Science |
| LLB | Bachelor of Laws |
| BDS | Doctor of Dental Surgery or Doctor of Dental Science |
| ACCA | Association of Chartered Certified Accountants. |
| IELTS | International English Language Testing System |
| ISBN | International Standard Book Number |
| E.g | Exempli gratia ( In Latin 'for example'). |
| N.B | Note Bene (Note Well). |
| etc | et cetera (And so on) |
| Govt | Government |
| i.e. | in other words. |
| IQ | Intelligence Quotient. |
| Q&A | Question and Answer. |
| DOB | Date of Birth. |
| FAQ | Frequently asked Questions |
| CBC | Complete Blood Count. |
| ICU | Intensive Care Unit. |
| CCU | Cardiac Care Unit. |
| HIV | Human Immunodeficiency Virus. |
| AIDS | Acquired Immune Deficiency Syndrome. |
| gal | gallon |
| lb | pound |
| oz | ounce |
| pt | pint |
| qt | quart |
| wt. | weight |
| vol. | volume |
| kg | kilogram |
| km | kilometer |
| m | Meter |
| mg | Milligram |
| mm | Millimeter |
| in. | inch |
| ft | foot |
| mi | mile |
| yd | yard |
| TC | Take care |
| B4N | Bye for now. |
| ASAP | As soon as possible. |
| NP | No problem. |
| TIC | Tongue in cheek. |
| OMG | Oh My God. |
| KISS | Keep It Simple Stupid. |
| LOL | Laughing Out Loud. |
| BF | Boyfriend |
| GF | Girlfriend |
| VIP | Very Important Person. |
| IPL | Indian Premier League. |
| B.R.T.C | Bangladash road transport corporation. |
| B.S.C | Bangladesh shipping corporation |
| B.B.C | British broadcasting corporation |
| B.N.P | Bangladesh nationalist party |
| B.C.S | Bachelor of civil service |
| B.B.A | Bachelor of Business Administration |
| C.B.I | Central Bureau of investigation |
| D.C | District council |
| D.G | Director general |
| E.C.G | Electro cardiogram |
| E.P.Z | Export processing zone |
| FIFA | Federation of international football association |
| SSC | Secondary school certificate |
| HSC | Higher secondary certificate |
| I.R.A | Irish republic army |
| I.C.C | International control commission |
| I.D | Intelligence department |
| M.L.A | Member of legislative |
| M.B.A | Mastet of business administration |
| M.P | Member of parliament |
| P.T.O | Please turn over |
| R.A.F | Royal air force officer |
| U.A.A | United Arab Amirates |
| Z.P | Zero point |
| X.Ray | Rantjen Ray |
