Internal structure of computer case, what's in it?

The internal structure of the computer case is as follows:

Chassis generally includes shell, bracket, various switches and indicator lights on the panel, etc. The shell is made of steel plate and high-hardness plastic, which mainly protects the internal components of the chassis. The bracket is mainly used to fix the motherboard, power supply and various drivers.

Extended information 1930, American scientist Vaneva Bush built the world's first analog electronic computer. 1On February 4th, 946, the world's first electronic computer "ENIAC electronic numerical value and calculator" customized by the US military came out at the University of Pennsylvania.

Eniac (Chinese name: ENIAC) was developed by Oberding Weapon Test Range to meet the needs of trajectory calculation. This calculator uses 17840 electron tubes, with a size of 80 feet ×8 feet and a weight of 28t (tons). Its power consumption is 170kW, its operation speed is 5000 times per second, and its cost is about 487,000 dollars.

The advent of ENIAC is of epoch-making significance, which indicates the arrival of the era of electronic computers.

Baidu encyclopedia-computer

Baidu Encyclopedia-Computer Case