Important Abbreviations

Important Abbreviations

Past papers 

1.      LPG: Liquefied Petroleum Gas                    
2.      TNT: Tri Nitro Toluen
3.      RNA: Ribonucleic Acid                           
4.      CNG: Compressed Natural Gas
5.      ATP: Adenosine Tri Phosphate              
6.      RBC: Red Blood Cells/Corpuscles
7.      ECG: Electro Cardio Gram                     
8.      PVC: Poly vinyl Chloride
9.      RAM: Random Access Memory              
10.  CFC: Chloro Fluoro Carbon
11.  LASER: Light Amplification by Stimulated emission of Radiation                      
12.  RADAR: Radio Detection And Ranging
13.  AIDS: Acquired Immune Deficiency Syndrome                                 
14.  ROM: Read Only Memory
15.  LAN: Local Area Network                    
16.  WWW: World Wide Web
17.  DNA: Deoxyribonucleic Acid                
18.  SONAR: Sound Navigation And Ranging
19.  SARS: Severe Acute Respiratory Syndrome  
20.  NTP: Network Time Protocol/ Normal Temperature and Pressure     
21.  RQ: Respiratory Quotient
22.  NPN: Negative Positive Negative       
23.  PNP: Purine Nucleoside Phosphorylase
24.  WAN: Wide Area Network                  
25.  CPU: Central Processing Unit
26.  BCG: Bacillus Calmette Guerin           
27.  STP: Standard Temperature And Pressure/Shielded Twisted Pair/Sodium
Tripolyphosphate/Spanning Tree Protocol
28.  ATP: Adenosine Triphosphate           
29.  KWh: Kilo Watt Hour 
30.  BTU: British thermal Unit                   
31.  LDL: Low Density Lipoprotein
32.  MAF: Million Acre Feet                  
33.  HDL: Hardware Description Language
34.  MCV: Mean Corpuscular Volume   
35.  UHF: Ultra High Frequency
36.  LED: Light emitting Diode              
37.  LCD: Liquid Crystal Display
38.  BASIC: Beginner’s All-Purpose Symbolic Instruction Code
39.  MASER: Microwave Amplification by Stimulated Emission of Radiation
40.  ETT: Educational Telecommunications and Technology/ European
Transaction on Telecommunication
41.  HST: High Speed Technology/ High Speed Train (in UK)/Hubble Space
42.  DBS: Data Base Server/ Direct Broadcast Satellite  
43.  CRO: Cathode Ray Oscilloscope
44.  BOT: Build, Operate and Transfer/Botulinum Toxin
45.  AMU: Atomic Mass Unit     
46.  EMF: Electro Motive force
47.  ADH: Anti-diuretic Hormone   
48.  GeV: Giga Electro Volt
49.  CRT: Cathode Ray Tube          
50.  CNS: Central Nervous System
51.  PTFE: Poly Tetra Fluoro Ethylene
52.  GUT: Grand Unified Theory
53.  LONAR: Long Range Navigation    
54.  MeV: Mega Electron Volt/ Million Electron Volt/ Multi-experiment Viewer
55.  AWACS: Airborne Warning and Control System   56. CCTV: Closed-
Circuit Television
56.  ABM: Anti-Ballistic Missile 
57.  AC: Alternating Current/Air Conditioning
58 AEC: Atomic Energy Commission  
59.      Alt: Altitude
60.      AM: Ante Maridiem (Before Noon/Midday)  
61.      Amp: Ampere
62.      APTEC: All Pakistan Technology Engineers Council
63.      ATM: Automated Teller Machine (Banking) 
64.      AW: Atomic Weight/ Asia Watch 
65.      BIOS: Basic Input Output System
66.      BDS: Bachelor Of Dental Surgery/ Bomb Disposal Squad
67.      BP: Blood Pressure/ Boiling Point/ Blue Print   13. C/A: Current Account
68.      CAA: Civil Aviation Authority 
69.      CABB: Centre Of Agricultural Biochemistry And Biotechnology   16.
CAD: Computer-Aided Design
70.      Cal: Calorie  
71.      CD: Compact Disc/ Civil Defence/ Community Development
72.      CD-ROM: Compact Disc Read-Only Memory  
73.      CECP: Cotton Export Corporation Of Pakistan
74.      CHASNUPP: Chashma Nuclear Power Plant  
75.      CMCC: China Mobile Communications Corporation
76.      COM: Computer Aided Manufacturing 
77.      COMSAT: Communications Satellite Corporation
78.      COMSTECH: Council Of Scientific And Technology Cooperation Of Islamic
79.      CSIRO: Commonwealth Scientific And Industrial Research Organisation
80.      CTBT: Comprehensive Test Ban Treaty  
81.      CT-Scan: Computerised Axial Tomography Scanning
82.      DVD: Dynamic Versatile Disc   
83.      ECAT: Engineering Colleges Admission Test
84.      EDB: Engineering Development Board  
85.      EEG: Electroencephalogram
86.      ENERCON: Energy Conservation Centre 
87.      EPA: Energy Protection Agency
88.      EPD: Energy Protection Department 
89.      ESA: European Space Agency
90.      ESRO: European Space Research Organisation 
91.      FAT: File Allocation Table
92.      FCPS: Fellow Of The Royal College Of Physicians And Surgeons
93.      FM: Frequency Modulation  
94.      FMCT: Fissile Material Cut-Off Treaty
95.      FRCS: Fellow Of The Royal College Of Surgeons   
96.      GHz. Gigahertz
97.      GMT: Greenwich Mean Tim   
98.      HIV: Human Immune Deficiency Virus  
99.      HTML: Hypertext Mark-Up Language
100.  HTTP: Hypertext Transfer Protocol  
101.  IAEA: International Atomic Energy Agency (UN)
102.  IBM: International Business Machine 
103.  IC: Integrated Circuit/ Intelligence Corps
104.  ICBM: Inter-Continental Ballistic Missile 
105.  ICU: Intensive Care Unit
106.  IEA: International Energy Agency
107.  INSTRAW: International Research And Training Institute For The
Advancement Of Women
108.  INTELSAC: International Telecommunications Satellite Consortium
109.  Intelsat: International Telecommunications Satellite Organisation
110.  IRBM: Intermediate Range ballistic Missile 
111.  ISP: Internet Service Provider  
112.  IT: Information Technology 
113.  ITB: Information Technology Board  
114.  JAXA: Japan Aerospace Exploration Agency
115.  KANUPP: Karachi Nuclear Power Plant 
116.  KAPCO: Kot Adu Power Company
117.  kHz: Kilohertz  
118.  KV: Kilo Volt  
119.  kW: Kilowatt
120.  MCAT: Medical Colleges Admission Test 
121.  MDS: Master In Dental Surgery
122.  MNP: Mobile Number Probability 
123.  MRBM: Medium Range Ballistic Missile
124.  MRCP: Member Of Royal College Of Physicians
125.  MRCS: Member Of Royal College Of Surgeons 
126.  MRI: Magnetic Resonance Imaging  
127.  MS: Medical Superintendent  
128.  MSN: Microsoft Network
129.  MW: Megawatt  
130.  NADRA: National Database And Registration Authority
131.  NEPRA: National Electric Power Regulatory Authority
132.  NM: Nautical Mile  
133.  NMD: National Missile Defence  
134.  NPT: Non-Nuclear Proliferation Treaty 
135.  NRA: Nuclear Regulatory Authority
136.  OGRA: Oil And Gas Regulatory Authority
137.  NWD: Nation Wide Dialling 
138.  OGDC: Oil And Gas Development Corporation
139.  pm: Post Meridiem 
140.  PEMRA: Pakistan Electronic Media Regulatory Authority
141.  PTA: Pakistan Telecommunication Authority 
142.  RADAR: Radio Detection and Ranging
143.  SALT: Strategic Arms Limitation Talks 
144.  SLV: Satellite Launch Vehicle
145.  SMS: Short Message Service 
146.  SNGPL: Sui Northern Gas Pipelines Limited
147.  SONAR: Sound Navigation And Ranging 
148.  SSGPL: Sui Southern Gas Pipeline Limited
149.  STD: Subscriber’s Trunk Dialling  
150.  STM: Subscriber Identification
151.  SUPARCO: Space And Upper Atmosphere Research Committee
152.  TB: Tubercle Bacillus/ Tuberculosis 
153.  UHF: Ultra High Frequency
154.  UNAEC: United Nations Atomic Energy Commission
155.  UNESCO: United Nations Education, Scientific And Cultural Organisation
156.  VCD: Video Compact Disc 
157.  VHF: Very High Frequency
158.  WAN: Wide Area Network  
159.  WAP: Wireless Application Protocol
160.  WAPDA: Water And Power Development Authority
161.  WHO: World Health Organisation 
162.  WMD: Weapons Of Mass Destruction
163.  WWF: World Wildlife Fund   
164.  ZPG: Zero Population Growth

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