Traditional Culture Encyclopedia - Photography and portraiture - Internal structure of computer case, what's in it?
Internal structure of computer case, what's in it?
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
- Previous article:Is Xuzhou Model School public?
- Next article:Five-in-one reflector, when each side is used alone?
- Related articles
- How to light the photographer?
- What about Shanghai Xixia advertising co., ltd?
- A Brief Introduction to Chen Tian's Speaks
- Analysis of the reasons why taking photos is not photogenic
- Chen Li combined two phrases into a screen name.
- Why is Melanie Trump's "first lady" not a celebrity but a house girl?
- Is it a lie to exchange the jam points of the rookie station for mango tv members?
- Why is the word-of-mouth of the movie Skyfire so bad?
- How do local tabloid characters write?
- Guangxi Fine Arts College Entrance Examination Score Line 2023