Now, computer is very common, then, the first computer how?
The world is the first computer in 1946 by the United States developed at the university of Pennsylvania, called ENIAC, this computer is composed of many tube structure, covers an area of a large house. The massive use rise is not convenient, need to have professional staff by changing the line, can executor instruction. The function of it than now of single-chip computer.
Now the single-chip computer use can be common. In our daily life, the computer can be used to play games, typing, Internet; In production, the computer can be used to communication, control, management and calculation, such as weather forecast, the shuttle's control, teachers writing lesson plans, etc., all want to