১.CCTV = Close Circuit TV, ২.MATV = Master Antenna TV, ৩. CMOS = Complementary Metal Oxide Semiconductor, ৪. UJT = Unijunction transistor,৫.MOSFET = Metal Oxide Semiconductor Field Effect Transistor, ৬.GPS = Global Positioning System.

৭. WCDMA = Wideband Code Division Multiple Access৮. IOT = Internet of Things,৯. CODEC = coder” and “decoder,১০. TCP/IT = Transmission Control Protocol/Internet Protocol (IP),১১. VCO = Voltage-Controlled Oscillator,১২. GTO = Gate Turn-Off thyristor

১৩.CMOS = Complementary Metal Oxide Semiconductor, ১৪.MCT = Medium-Chain Triglyceride, ১৫.LASER = Light Amplification by Stimulated Emission of Radiation, ১৬.IGFET = Insulated-Gate Field-Effect Transistor ১৭.EPROM = Erasable Programmable Read-Only Memory, ১৮.VLSI = Very large Scale Integration

১৯.LED = Light Emitting Diode, ২০.QAM = Quadrature Amplitude Modulation, ২১.VCB = Vacuum Circuit Breaker, ২২. SCADA = Supervisory Control And Data Acquisition, ২৩. PLC = Programmable Logic Controller ২৪. VSAT = Very Small Aperture Terminal