The main categories of industrial personal computers are：IPC（PCBus industrial computer）、PLC（Programmable control system）、DCS（Decentralized control system）、FCS（Fieldbus system）andCNC（CNC system）Products composed of five electronic components。

Automotive electronics is the general term of vehicle body electronic control device and vehicle electronic control device。Car body electronic control device，Including engine control system、Chassis control system and body electronic control system（Body electronicsECU）Components used。

PV energy system generally includes solar cells or modules、Charging and discharging control system(Or including inverter)And load control。Solar cells are based on the principle of photovoltaic effect，Devices that convert solar radiation energy into electrical energy。

Medical devices refer to those directly or indirectly used for human body、equipment、appliances、Calibrator、Materials and other similar or related items，medical apparatus and instruments：Trauma disposal vehicle、monitor 、The anesthesia machine、respirator、Hematology analyzer、Differentiation analyzer、Urine analyzer、Ultrasound（Color Doppler ultrasound、BSuperlative）。

Data communication is a new way of communication that combines communication technology with computer technology。Cable communication、Microwave relay communication、Optical fiber communication、satellite communication、Wired or wireless devices such as mobile communication

Sound equipment is provided by the sound source（Music playing device、Microphone）、control equipment （Analog or digital mixer）、Audio Processor（I used to use effectors、Equalizer、Compressor、Frequency divider、Signal distributor、Peripheral equipment such as time delay device，There is also a digital system controller integrated with the above functions）。