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605 Cards in this Set

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AAS   
    Atomic Absorption Spectroscopy.
ABS   
    Antilock Braking System.
AC    
     Alternating Current.
ACM   
  Association for Computing Machinery.
ACS   
    American Chemical Society.
A/D   
     Analog to Digital.
ADC   
   Analog to Digital Converter.
ADO   
   ActiveX Data Objects.
ADSL  
  Asymmetrical Digital Subscriber Line.
ADT   
    Abstract Data Type.
AEM   
  Analytical Electron Microscopy.
AES   
    Auger Emission Spectroscopy.
AFC   
    Automatic Frequency Control.
AFM   
   Atomic Force Microscopy.
AGC   
   Automatic Gain Control.
AI    
      Artificial Intelligence.
AIChE 
  American Institute of Chemical Engineers.
ALCVD
Atomic Layer Chemical Vapor Deposition.
ALD   
   Atomic Layer Deposition.
ALE   
    Atomic Layer Epitaxy.
ALGOL
Algorithmic Oriented Language.
ALU   
    Arithmetic Logic Unit.
AM    
    Amplitude Modulation.
AMPS  
Advanced Mobile Phone Service.
AMU   
  Atomic Mass Unit.
ANSI  
   American National Standard Institute.
APD   
     Avalanche Photodiode.
API   
     Application Program Interface.
APCVD
Atmospheric Pressure Chemical Vapor Deposition.
APS   
    American Physical Society.
ARPA  
  Advanced Research Projects Agency.
ASA   
    American Standards Association.
ASCII 
   American Standard Code for Information Exchange.
ASIC  
   Application Specific Integrated Circuit.
ASK   
   Amplitude Shift Keying.
ASME  
American Society of Mechanical Engineers.
ASP   
    Active Server Pages.
ASTM  
American Society for Testing and Materials.
AT&T  
American Telegraph and Telephony.
ATE   
   Automated Test Equipment.
ATM   
  Asynchronous Transfer Mode./ Automated Teller Machine.
AWG   
  American Wire Gauge.
BCD   
       Binary Coded Decimal.
BCS   
        Bardeen, Cooper and Schieffer Theory of Superconductivity.
BER   
       Bit Error Rate.
BiCMOS
  Bipolar Complementary Oxide Semiconductor.
BGA   
       Ball Grid Array.
BIOS  
       Basic Input/Output System.
BJT   
        Bipolar Junction Transistor.
BLOG  
     Web Log.
BNC   
       Bayonet Normalized Connector.
BOE   
       Buffered Oxide Etchant.
BPSG  
      Borophosphosilicate Glass.
BSEE  
      Bachelors of Science in Electrical Engineering.
BSI   
         British Standards Institute.
BTE   
       Boltzmann Transport Equation.
BW    
        Bandwidth.
CAD   
      ComputerAided Design.
CAE   
      ComputerAided Engineering.
CAM   
     ComputerAided Manufacturing.
CAN   
     Controller Area Network.
CAPS  
      Computerassisted Problem Solving.
CASE  
    ComputerAided Software Engineering.
CAT   
     Computerized Axial Tomography./ ComputerAided Testing.
CATV  
    Cable Television.
CB    
       Citizens Band.
CBGA  
   Ceramic Ball Grid Array.
CCD   
     Charged Coupled Devices.
CCNA  
    Cisco Certified Network Associate.
CCTV  
    Closed Circuit Television.
CD    
       Compact Disc.
CDF   
     Cumulative Distribution Function.
CDMA  
  Code Division Multiple Access.
CFC   
      Chlorofluorocarbon.
CGA   
     Color Graphics Adapter.
CGI   
      Common Gateway Interface.
CHMOD
Change Mode.
CIE   
       ComputerIntegrated Engineering.
CIM   
     ComputerIntegrated Manufacturing.
CIO   
      Chief Information Officer.
CISC  
     Complex Instruction Set Computer.
CLK   
     Clock.
CMOS  
  Complementary Oxide Semiconductor.
CMRR  
CommonMode Rejection Ratio.
CNA   
    Computer Networks Administration.
CNR   
    Carrier to Noise Ratio.
COBOL 
Common BusinessOriented Language.
CODEC 
Coder/Decoder.
CPU   
     Central Processing Unit.
CRT   
     Cathode Ray Tube.
CSA   
     Canadian Standards Association.
CSS   
      Cascaded Style Sheets.
CTCP  
    ClienttoClient Protocol.
CV    
     CapacitanceVoltage.
CVD   
     Chemical Vapor Deposition.
CW    
       Continuous Wave.
D/A   
      Digital to Analog.
DAB   
    Digital Audio Broadcasting.
DAC   
    DigitaltoAnalog Converter.
DARPA 
Defense Advanced Research Projects Agency.
DAS   
     Direct Absorption Spectroscopy.
dB    
       Decibel.
DBMS  
  Database Management System.
DC    
      Direct Current.
DCN   
    Data Communications Network.
DeMUX
Demultiplexer.
DFT   
     Discrete Fourier Transform.
DHTML
Dynamic Hypertext Markup Language.
DLL   
     Dynamic Link Library (Windows).
DIL   
      Dual Inline.
DIP   
      Dual inline Package.
DLTS  
   Deep Level Transient Spectroscopy.
DMA   
   DirectMemory Access.
DMM   
  Digital Multimeter.
DMOS  
  Diffused Metal Oxide Semiconductor.
DMS   
    Data Management System.
DNA   
    Deoxyribonucleic Acid.
DNS   
    Domain Naming System.
DOS   
    Disk Operating System.
DPDT  
   Double Pole Double Throw Switch.
DPI   
      Dots per Inch.
DRC   
    Design Rule Check.
DRAM  
Dynamic Random Access Memory.
DSL   
     Digital Subscriber Line.
DSP   
     Digital Signal Processing.
DTA   
    Differential Thermal Analysis.
DTL   
      DiodeTransistor Logic.
DUT   
      Device Under Test.
DVD   
    Digital Video Disk.
DVM   
   Digital Voltmeter.
EBL   
       ElectronBeam Lithography.
ECAD  
     Electronic ComputerAided Design.
ECC   
       Error Correction Coding.
ECG   
       Electro CardioGram.
ECL   
       EmitterCoupled Logic.
ECN   
       Electronics Communication Network.
EDA   
       Electronic Design Automation.
EDI   
        Electronic Data Interchange.
EEPROM
Electrically Erasable Programmable Read Only Memory.
EGA   
       Enhanced Graphics Adapter.
ELF   
        Extremely Low Frequency.
EIA   
        Electronic Industry Association.
EM    
        ElectroMagnetic.
EMC   
      Electromagnetic Compatibility.
EMF   
       ElectroMotive Force.
EMI   
        Electromagnetic Interference.
EMR   
      Electromagnetic Radiation.
EOF   
        End of File.
EOS   
        Electrical OverStress.
EPA   
        Environmental Protection Agency.
EPROM 
   Erasable Programmable Read Only Memory.
ERC   
       European Radio Commission.
ERP   
        Effective Radiated Power.
ESD   
        Electrostatic Discharge.
ESH   
        Environment, Safety and Health.
EUT   
        Equipment Under Test.
FA    
        Failure Analysis.
FAX   
      Facsimile.
FC    
        Flip Chip.
FCC   
      Federal Communications Commission.
FDMA  
   Frequency Division Multiple Access.
FET   
       Field Effect Transistor.
FFT   
       Fast Fourier Transform.
FIFO  
      FirstIn, FirstOut.
FPD   
       Flat Panel Display.
FPGA  
     Field Programmable Gate Array.
FPLA  
      Field Programmable Logic Array.
FM    
       Frequency Modulation.
FSG   
      Fused Silica Glass.
FSK   
      FrequencyShift Keying.
FSM   
     Finite State Machine.
FT    
        Fourier Transform.
FTP   
       File Transfer Protocol.
FZ    
        Float Zone.
Ga    
         Gallium.
GaAs  
      Gallium Arsenide.
GaP   
       Gallium Phosphide.
GAL   
      Gate Array Logic.
GFA   
      Gas Fusion Analysis.
GFCI  
      Ground Fault Circuit Interrupter.
GHz   
       GigaHertz
GIF   
       Graphics Interchange Format.
GPS   
       Global Positioning System.
GSCE  
    Gas Source Control Equipment.
GSM   
     Global Standard for Mobile.
GTO   
       Gate Turnoff Transistor.
GUI   
       Graphical User Interface.
HBM   
   Human Body Model.
HBT   
     Heterojunction Bipolar Transistor.
HCT   
     Highspeed CMOS TTL compatible
HCMOS
Highdensity Complementary Metal Oxide Semiconductor.
HD    
      High Density.
HDD   
    High Density Disk.
HDL   
     Hardware Description Language.
HDTV  
   High Definition Television.
HEMT  
  High Electron Mobility Transistor.
HEX   
     Hexadecimal.
HF    
       High Frequencies.
HLL   
     Highlevel Language.
HMIC  
   Hybrid Microwave Integrated Circuit.
HTML  
  HyperText Markup Language
HTO   
     High Temperature Oxidation.
HTTP  
    HyperText Transfer Protocol.
HV    
      High Voltage.
HVAC  
   Heating, ventilating and air conditioning.
HVDC  
  HighVoltage DirectCurrent.
IBM   
     International Business Machines corporation.
IC    
        Integrated Circuit.
ICP   
       InductivelyCoupled Plasma.
IE    
        Internet Explorer.
IDE   
      Integrated Drive Electronics (Interface).
IDL   
      Interface Definition Language.
IEC   
       International Electrotechnical Commission.
IEE   
       Institute of Electrical Engineers.
IEEE  
      Institute of Electrical and Electronics Engineers.
IF    
          Intermediate Frequency.
IGBT  
     Insulatedgate Bipolar Transistor.
IGFET 
    Insulatedgate Field Effect Transistor.
IMPATT
Impact Avalanche and Transit Time Diode.
IMS   
      Ion Mobility Spectroscopy.
INA   
      Integrated Network Architecture.
I/O   
        Input/Output.
IP    
         Internet Protocol.
IR    
        Instruction Register.
IS    
         Information Systems.
ISA   
       Instrumentation Society of America.
ISDN  
     Integrated Services Digital Network.
ISO   
       International Standards Organization.
ISP   
        Internet Service Provider.
ISS   
        Ion Scattering Spectroscopy.
ITO   
       Indiumtin Oxide.
ITU   
       International Telecommunications Union.
JEDEC 
   Joint Electron Device Engineering Council.
JFET  
      Junction Field Effect Transistor.
JJT   
       Josephson Junction Transistor.
JPEG  
     Joint Photographic Experts Group image format. (aka. JPG)
JSP   
       Java Server Pages.
JTC   
      Joint Technical Comitee.
JVD   
      Jet Vapor Deposition.
KB    
   Kilobytes.
KC    
   Kinematic Coupling.
kbps  
   Kilo Bits per Second.
KCL   
  Kirchhoff's Current Law.
KeV   
  Kilo electron volt.
Kilo  
    One thousand.
KV    
   Kilovolt.
KVL   
  Kirchhoff's Voltage Law.
LAN   
    Local Area Network.
LANL  
  Los Alamos National Laboratory.
LAOS  
   LightAmplifying Optical Switch.
LASER 
Light Amplification by Stimulated Emission of Radiation.
LAT   
    Local Area Transport.
LC    
      InductanceCapacitance.
LCD   
    Liquid Crystal Display.
LDD   
    Lightly Doped Drain.
LDMOS
Laterally Diffused Metal Oxide Semiconductor.
LDR   
    Light Dependent Resistor.
LED   
    Light Emitting Diode.
LF    
      Laminar Flow./ Low Frequency.
LI    
       Laser Interferometry.
LIC   
     Linear Integrated Circuit.
LIDAR 
Light Detection and Ranging technology.
LIFO  
    Lastin, Firstout.
LIMS  
   LaserInduced Mass Spectrometry.
LNA   
    Low Noise Amplifier.
LO    
     Local Oscillator.
LOCOS
Local Oxidation of Silicon.
LPCVD 
Low Pressure Chemical Vapor Deposition.
LPE   
     LiquidPhase Epitaxy.
LPR   
     Laser Plasma Reflectometer.
LRS   
    Laser Raman Spectroscopy.
LSB   
     Least Significant Bit.
LSI   
      Large Scale Integration.
LTCVD 
Low Temperature Chemical Vapor Deposition.
LTO   
    Low Temperature Oxide (or Oxidation).
LVS   
     Layout Verification of Schematic.
MAN   
      Metropolitan Area Network.
MAR   
      Memory Address Register.
MASER 
   Microwave Amplification by Stimulated Emission of Radiation.
MBE   
      Molecular Beam Epitaxy.
MCM   
    MultiChip Module.
MCT   
      Mercury Cadmium Telluride.
MCU   
      Microprocessor Control Unit.
MCVD  
    Modified (Metal) Chemical Vapor Deposition.
MD    
       Molecular Dynamics.
MDR   
     Memory Data Register.
MEMS  
    Micro ElectroMechanical Systems.
MESFET
  Metal Semiconductor Field Effect Transistor.
MHT   
      Mechanical Handling Test.
MHz   
       Megahertz.
MIC   
       Microwave (Monolithic) Integrated Circuit.
Micro 
       10E6.
MIDI  
       Musical Instruments Digital Interface.
MIE   
        Magnetron Ion Etching.
MIL   
        U.S. Military.
MILSTD
  Military Standard.
Milli 
          10E3.
MIM   
      MetalInsulatorMetal.
MIME  
     Multipurpose Internet Mail Extension.
MIPS  
       Million Instructions per Second.
MIS   
        MetalInsulator Semiconductor.
MISFET
   MetalInsulator Semiconductor Field Effect Transistor.
MIT   
       Massachusetts Institute of Technology.
MLM   
     Multilevel Marketing./ Multilevel Metal.
MMIC  
    Monolithic Microwave Integrated Circuit.
MMW   
   MilliMeter Waves.
MNOS  
    MetalNitrideOxide Semiconductor.
MOCVD 
  Metal Organic Chemical Vapor Deposition.
MODEM 
Modulator/Demodulator.
MODFET
Modulation Doped Field Effect Transistor.
MOS   
      Metal Oxide Semiconductor.
MOSC  
   Metal Oxide Semiconductor Capacitor.
MOSFET
  Metal Oxide Semiconductor Field Effect Transistor.
MOV   
      Metal Oxide Varistor.
MPEG  
     Motion Picture Experts Group.
MPU   
       Micro Processor Unit.
MQW   
     Multiple Quantum Well.
MRI   
       Magnetic Resonance Imaging.
MRS   
      Materials Research Society.
MSB   
      Most Significant Bit.
MSEE  
     Masters of Science in Electrical Engineering.
MSI   
        Medium Scale Integration.
MSK   
      Minimum Shift Keying.
MTBA  
    Mean Time Between Assists.
MTBF  
     Mean Time Before Failure.
MTF   
       Modulation Transfer Function.
MTS   
      Mobile Telephone System./ Material Tracking Standard.
MTTF  
     Mean Time to Failure.
MTTR  
    Mean Time to Repair.
MUX   
      Multiplexer.
MW    
       Molecular Weight.
NA    
        Numerical Aperture.
NAND  
    NotAND (Logic Gate).
Nano  
       10E9.
NASA  
     National Aeronautics and Space Administration.
NBS   
       National Bureau of Standards.
NCS   
       Network Communication Standard.
NEC   
       National Electric Code.
NEMA  
    National Electrical Manufacturers Association.
NESC  
      National Electrical Safety Code.
NEXT  
     NearEnd Crosstalk.
NiCad 
      NickelCadmium (battery).
NIRA  
      Near Infrared Reflection Analysis.
NIST  
       National Institute of Standards and Technology.
NMOS  
    NChannel Metal Oxide Semiconductor.
NMR(I)
    Nuclear Magnetic Resonance (Imaging).
NOR   
      NotOR (Logic Gate).
NRZ   
       Non Return to Zero.
NRZI  
      Non Return to Zero Inverted.
NSF   
        National Science Foundation.
NTC   
       Negative Temperature Coefficient.
NTSC  
      National Television Systems Committee.
NVRAM 
  NonVolatile Random Access Memory.
OBL   
       Object Based Language.
OCR   
      Optical Carrier (Character) Recognition.
ODBC  
     Open Database Connectivity.
OEIC  
      OptoElectronic Integrated Circuit.
OEM   
      Original Equipment Manufacturer.
OES   
       Optical Emission Spectroscopy.
OLE   
       Object Linking and Embedding.
OLED  
     Organic Light Emitting Diode.
OMA   
     Object Management Architecture.
OMVPE 
  Organometallic Vapor Phase Epitaxy.
ONU   
      Optical Network Unit.
OOP   
       Object Oriented Programming.
Op Amp
    Operational Amplifier.
OQPSK 
   Offset Quad Phone Shift Keying.
OS    
         Operating System.
OSG   
       Organosilicate Glass.
OSI   
          Open System Interconnection.
OTDR  
     Optical Time Domain Reflectometer.
OTF   
        Optical Transfer Function.
P     
      Phosphorous.
PAC   
  Photoactive compound.
PAL   
   Programmable Array Logic.
PAM   
 Pulse Amplitude Modulation.
PBA   
  Printed Board Assembly.
PBGA 
Plastic Ball Grid Array.
PC    
    Personal Computer/ Program Counter.
PCAD 
  Packaging ComputerAided Design.
PCB   
   Printed Circuit Board.
PCI   
    Protocol Control Information/ Peripheral Components Interconnect.
PCM   
  Pulse Code Modulation.
PCS   
   Personal Communication Services.
PCVD  
Plasma Chemical Vapor Deposition.
PDA   
  Personal Digital Assistant.
PDF   
   Probability Density Function. / Portable Document Format.
PDMA
Polarization Division Multiple Access.
PDN   
  Public Data Network.
PECVD
Plasma Enhanced Chemical Vapor Deposition.
PGA   
  Pin Grid Array.
PHP   
   Personal Home Page.
PIC   
    Peripheral Interface Controller.
PIN   
    Personal Identification Number.
PIV   
    Peak Inverse Voltage.
PLA   
   Programmable Logic Array.
PLC   
   Programmable Logic Controller.
PLD   
   Programmable Logic Device.
PLL   
   Phase Locked Loop.
PMOS 
pChannel Metal Oxide Semiconductor.
PMT   
Photomultiplier Tube.
PNG   
  Portable Networks Graphics image format.
POTS  
Plain Old Telephone Service.
PPM   
  Pulse Position Modulation.
ppm   
    Parts Per Million.
PRB   
   Pseudo Random Binary.
PROM
Programmable Read Only Memory.
PSI   
     Pounds per square inch.
PSDN  
Packet Switched Data Network.
PSG   
   Phosphosilicate Glass
PSK   
   Phase Shift Keying.
PSTN  
  Public Service Telephone Network.
PTC   
   Positive Temperature Coefficient.
PTM   
  Pulse Time Modulation.
PVA   
   Polyvinylacetate.
PVC   
   Polyvinylchloride.
PVD   
   Physical Vapor Deposition.
PWB   
  Printed Wiring Board.
PWM   
Pulse Width Modulation.
QA    
    Quality Assurance.
QAM   
Quadrature Amplitude Modulation.
QC    
    Quality Control
QFP   
   Quad Flat Pack.
QFT   
   Quantum Field Theory.
QHE   
  Quantum Hall Effect
QMS   
Quadrupole Mass Spectrometer.
QPSK  
Quadrature Phase Shift Keying.
QSR   
  Quality System Review.
QW    
   Quantum Well.
R&D   
    Research and Development.
RADAR 
Radio Detection and Ranging.
RAM   
    Random Access Memory.
RBS   
      Rutherford Backscattering Spectroscopy.
RC    
       ResistorCapacitor.
RDBMS 
Relational Database Management System.
RDRAM
Rambus Dynamic Random Access Memory.
RF    
        Radio Frequency.
RFC   
      Radio Frequency Choke.
RFI   
       Radio Frequency Interference.
RFIC  
     Radio Frequency Integrated Circuit.
RFID  
     Radio Frequency IDentification.
RH    
       Relative Humidity.
RIE   
       Reactive Ion Etching.
RISC  
     Reduced Instruction Set Computer.
RLC   
     ResistorInductorCapacitor.
RMS   
    RootMeanSquare.
rpm   
       Revolutions per Minute.
ROM   
    Readonly Memory.
RSE   
      Reactive Sputter Etching.
RTA   
      Rapid Thermal Anneal.
RTCVD 
  Rapid Thermal Chemical Vapor Deposition.
RTF   
      Rich Text Format.
RTL   
      ResistorTransistor Logic.
RTO   
     Rapid Thermal Oxidation.
RTP   
      Rapid Thermal Processing.
RZ    
       Return to Zero.
S     
          Sulfur.
SA    
        Surface Area.
SAE   
       Society of Automotive Engineers.
SAM   
     Scanning Auger (Acoustic) Microscopy.
SATCOM
Satellite Communications.
SAW   
      Surface Acoustic Wave.
SCR   
      Silicon Controlled Rectifier.
SCSI  
      Small Computer Standard Interface.
SDH   
      Synchronous Digital Hierarchy.
SDLC  
    Synchronous Data Link Control.
SDRAM 
Synchronous Dynamic Random Access Memory.
SEM   
     Surface Electron Microscopy.
SEMI  
    Semiconductor Equipment and Materials Institute.
SEO   
      Search Engine Optimization.
SHPE  
     Society of Hispanic Professional Engineers.
SHTML 
  ServerSide Include Hypertext Markup Language.
SiGe  
       SiliconGermanium.
SIMS  
     Secondary Ion Mass Spectroscopy.
SINAD 
   Signal Noise and Distortion.
SIP   
        Single Inline Package.
SMA   
     SubMiniature A Connector.
SMC   
     Surfacemounted Components.
SMD   
     Surfacemounted Device.
SMT   
     Surface Mount Technology.
SNAP  
    SubNetwork Access Protocol.
SNL   
      Sandia National Laboratory.
SNR   
     SignaltoNoise Ratio.
SoC   
       System on a Chip.
SOI   
       Silicon on Insulator.
SOIC  
     SmallOutline Integrated Circuit.
SONET 
  Synchronous Optical Network.
SOS   
      Silicon on Saphire.
SPARC 
  Scalable Processor Architecture.
SPC   
      Statistical Process Control.
SPDT  
    Single Pole Double Throw Switch.
SPE   
      Solid Phase Epitaxy.
SPIE  
      International Society of Optical Engineering.
SPICE 
    Simulation Program with Integrated Circuit Emphasis.
SPM   
     Scanning Probe Microscopy.
SPST  
     Single Pole Single Throw Switch.
SQC   
     Statistical Quality Control.
SQL   
      Structured Query Language.
SR    
       Shift Register.
SRAM  
   Static Random Access Memory.
SS    
        Spread Spectrum.
SSB   
      Single Sideband.
SSI   
        Small Scale Integration.
SSL   
       Secure Sockets Layer.
STDIN 
    Standard Input.
STDOUT
Standard Output.
STM   
     Scanning Tunneling Microscopy.
STP   
       Secure Transfer Protocol./ Shielded Twisted Pair (cable)./ Standard Temperature and Pressure.
SUT   
      System Under Test.
SWAT  
   Software Action Team.
SWR   
     Standing Wave Ratio.
SYNC  
    Synchronous.
TCAD  
  Technology ComputerAided Design.
TCM   
   Tunneling Current Microscopy./ Trellis Coded Modulation.
TCP/IP
   Transmission Control Protocol/Internet Protocol.
TCE   
    Temperature Coefficient of Expansion.
TCM   
   Tunneling Current Microscopy.
TDM   
    Time Division Multiplex.
TDMA  
Time Division Multiple Access.
TDR   
    Time Domain Reflectometry.
TE    
      Transverse Electric.
TEM   
   Tunneling Electron Microscopy./ Transverse ElectroMagnetic.
TEOS  
    Tetraethoxysilane.
TFT   
     Thin Film Transistor.
THD   
   Total Harmonic Distortion.
TIF   
      Tagged Image File image format (aka. TIFF)
TTL   
     TransistorTransistor Logic.
TM    
    Transverse Magnetic.
TO    
     Transistor Outline Package.
TOF   
    Time of Flight.
TQM   
  Total Quality Management.
TSOP  
   Thin Small Outline Package.
TVS   
     Transient Voltage Suppression.
TWT   
   Traveling Wave Tube.
UART  
  Universal Asynchronous Receiver/Transmitter.
UHF   
    Ultra High Frequency.
UHV   
   Ultra High Vacuum.
UI    
       User Interface.
UID   
     User Identification.
UJT   
     UniJunction Transistor.
UL    
      Underwriters Laboratories.
ULSI  
    Ultra Large Scale Integration.
UNI   
     User to Network Interface.
UPC   
    Universal Product Code.
UPS   
     Uninterruptible Power Supply.
URL   
    Uniform Resource Locator.
USART 
Universal Synchronous/Asynchronous Receiver/Transmitter.
USB   
    Universal Serial Bus.
USOP  
   Ultrasmall Outline Package.
USRD  
  User System Requirement Document.
UTP   
      Unshielded Twisted Pair.
UUT   
    Unit Under Test.
UV    
     Ultraviolet.
VAR   
     VoltAmpere Reactive.
VCA   
     VoltageControlled Amplifier.
VCO   
     VoltageControlled Oscillator.
VCR   
     Video Cassette Recorder.
VGA   
     Variable Gain Amplifier./ Video Graphics Adapter.
VHF   
      Very High Frequency.
VHDL  
   VHSIC Hardware Description Language.
VHSIC 
   Very High Speed Integrated Circuit.
VHS   
     Video Home System.
VLF   
      Vertical Laminar Flow.
VLSI  
      Very Large Scale Integration.
VM    
      Virtual Machine.
VMOS  
  Vgroove Metal Oxide Semiconductor.
VMS   
    Virtual Memory System.
VPD   
     Vapor Phase Deposition.
VPE   
      Vapor Phase Epitaxy.
VRAM  
  Video Random Access Memory.
VRML  
  Virtual Reality Modeling Language.
VSAT  
    Very Small Aperture Terminal. (satellite communications)
VSB   
     Vestigial Sideband.
VSWR  
  Voltage Standing Wave Ratio.
VTVM  
  Vacuum Tube Voltmeter.
W     
            Tungsten.
W3    
           World Wide Web.
W3C   
          World Wide Web Consortium.
WAN   
         Wide Area Network.
WDM   
       Wavelength Division Multiplex.
WLAN  
       Wireless Local Area Network.
WMF   
        Windows Meta File.
WSI   
           Wafer Scale Integration.
WYSIWY
G  What You See Is What You Get. (graphical interface)
WWAN  
      Wireless Wide Area Networks.
WWW   
       World Wide Web.
XHTML
Extended HyperText Markup Language.
XLS   
    Excimer Laser System.
XML   
  Extensible Markup Language.
XMP   
   Xray MicroProbe.
XPS   
    Xray Photoelectron Spectroscopy.
XOR   
   ExclusiveOR Gate.
XRF   
    XRay Fluorescence Spectrometry.
XSEM  
Crosssectional Scanning Electron Microscopy.
XTP   
    Express Transfer Protocol.
Y     
       Yttrium.
YAG   
   YttriumAluminumGarnet.
YIG   
    YttriumIronGarnet.
YIQ   
    Y(luminance) Intensity Q(crominance).
YMT   
  Yield Management Tools.
ZCC   
   Zone Control Conveyor.
ZIF   
     Zero Insertion Force.
ZIP   
     Zigzag Inline Package: archived file format.