List of acronyms.

Some Intelligence agencies. 

• ISI=Inter Services Intelligence.(Pakistan)
• CIA=Central Intelligence Agency.(united states)
• FBI=Federal Board of Investigation.(united states)
• RAW=Research and analysis Wing.(India)
• MSS= Ministry of state security.(China)
• CID=Crime Investigation Department.
• CBI=Central Bureau of Investigation.
• MI6=Secret Intelligence Service.(united kingdom)
• FSB=Federal Security Services.(Russia)
• BND=Bundesnachrichtendienst.(Germany)
• DGSE=Direction Generale De La Securite Exterieure.(France)
• ASIS=Australian  Secret Intelligence Service.(Australia)

Some of aboute IT and Electronics.

• FM=Frequency Modulation.
• SIM=Subscriber Identity Module.
• TV=TeleVision
• RAM=Random access Memory.
• CD=Compact Disk. 
• ROM=Read Only Memory.
• HDD=Hard Disk Drive.
• PC=Personal Computer.
• FDD=Floppy Disk Drive.
• LCD=Liquid Crystal Display.
• CRT=Cathode Ray Tube.
• USB=Universal Serial Bus.
• SD=Secure Digital.
• VGA=Video Graphic Adaptor.
• LED=Light Emitting Diode.
• CR=Card Reader.
• WWW=World Wide Web.
• LAN=Local Area Network.
• WAN=Wide Area Network.
• MAN=Metropolitan Area Network.
• IP=Internet Protocol.
• OS=Operating System.
• SI=System International.(international system of  units)
• ASCII=American standard Code for Information Interchange.
• URL=Uniform Resource Locator.
• DVD=Digital versatile Disk.
• HTTP=Hyper Text Transport Protocol.
• JPEG=Joint Photographic Experts Group.

Others

• PHD=Doctor of Philosophy
• SCUBA=Self-contained Underwater Breathing Apparatus.
• LASER=Light Amplification by Stimulated Emission of Radiation.
• RADAR=Radio Detection and Ranging.
• BBC=British broadcasting corporation.
• USA=United States of America.
• ATM=Automated Teller Machine.
• HIV=Human Immunodeficiency.
• MRI=Megnetic Resonance Imaging.
• ICU=Intensive Care Unit.
• CCU=Coronary Care Unit.
• PIN=Personal Identification Number.
• NASA=National Aeronautics and Space Administration.(USA)
• SUPARCO=Space and Upper Atmosphere Research  Commission.(PAKISTAN)
• RFSA=Russian Federal Space Agency.
• USSR=Union of Soviet Socialist Republics.