Computer, commonly known as a computer, is a modern electronic computing machine used for high-speed computing. It can perform numerical and logical calculations, and also has storage and memory functions. It is a modern intelligent electronic device that can automatically and high-speed process massive data according to the program.

A server is a type of computer that runs faster, has higher load, and is more expensive than regular computers. The server provides computing or application services for other clients (such as PCs, smartphones, ATMs, and even large devices such as train systems) in the network. The server has high-speed CPU computing power, long-term reliable operation, powerful I/O external data throughput, and better scalability.