The most common Abbreviation/ Acronyms are given below:

Internet/ Web/Mobile:
WWW- World Wide Web
HTTP- HyperText Transfer Protocol.
IP – Internet Protocol.
GPRS- General Packet Radio Service.
WAP – Wireless Application Protocol.
SIM- Subscriber Identity Module.
CDMA -Code Division Multiple Access.
GSM-The Global System for Mobile Communications.
EDGE -Enhanced Data Rates for Global Evolution.
ISD – International Subscriber Dialing.
FM- Frequency Modulation.
ID – Identification.
PIN – Personal Identification Number.
CMS – Content Management System.

Technology/ Computer:
PDA – Personal Digital Assistants.
ALU – Arithmetic Login Unit.
RAM – Random Access Memory
ROM –Read-Only Memory.
DVD – Digital Video Disk.
CD –Compact Disk.
CD-RW – Compact Disk Rewritable.
ORM – 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.
HP – Hewlett-Packard (A Company Name)/ Horse Power
LASER – Light Amplification by Stimulated Emission of Radiation
RADER – Radio Detection And Ranging.
ATM – Automated Teller Machine
VoIP – Voice over Internet Protocol

Organization/ Institute/ Business/Company/ Security:
DIG – Deputy Inspector General of Police.
GM- General Manager.
CEO – Chief Executive Officer.
HRD – Human Resources Department.
IBM – International Business Machine.
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
SWOR – Strengths, Weaknesses, Opportunities, and Threats ( Analysis method).
SME – Small and Medium Enterprise.
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 Children’s Fund.
FBI – Federal Bureau of Investigation.
CIA – Central Intelligence Agency.
POP – Post Office Protocol.

Education/ Degree:
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
BBA- Bachelor of Business Administration
MBA- Master of Business Administration
CSE- Computer Science & Engineering
MCS- Master of Computer Science
M.Sc.- Master of Science
LL.B. -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

Time/ Zone/ Area:
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.

Study/Reading/Writing:
E.g- Exempli gratia ( Latin which means ‘for example).
N.B.- Note Bene (Note Well)
etc.- et cetera (And so on)
Govt. – Government.
i.e. (or i.e. / I.E.)- “id est” (Latin which means “That is (to say)” or “in other words”).
IQ- Intelligence Quotient
Q&A – Question and Answer
DOB – Date Of Birth
FAQ- Frequently asked Questions

Medical/ Health:
CBC –Complete Blood Count.
ICU – Intensive Care Unit.
CCU – Cardiac Care Unit.
HIV -Human Immunodeficiency Virus.
AIDS – Acquired Immune Deficiency Syndrome.

Weight/ Volume:
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

SMS/ Texting/ Chat:
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

Miscellaneous
VIP – Very Important Person
IPL-Indian Premier League