The document provides a brief history of watches, astronomy, and computer components from 1500 to present. It notes that Peter Henlein created the first watch in 1502 in Germany. In the 1500s, Copernicus developed the heliocentric theory placing the Sun at the center of the solar system. Computers consist of four main parts - input, output, memory, and microprocessor, with examples being keyboards for input, printers for output, memory chips, and the computer's central processing unit.

1. History and flow; 0-1500 By: Kevin Carlson Period 6

2. 1502 Peter Henlein, a craftsman from Nuremberg Germany, creates the first watch

3. 1500’s This guys name is Copernicus. He reinvented the heliocentric theory. The heliocentric theory is about the distance of the planets from the sun

4. Flow of computer The computer basicly made of four parts. They are the input, output, memory, micro processor.

5. input The keyboard is a example of input

6. Output The printer is a good example of output

7. memory This is the memory chip of the computer

8. Mirco processor This is micro processor from a computer