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

Telescope

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

Conference

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

(Pakistan)

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