1. Computers and the Four-Layer Model
It is known as the main source of the computer. It is one of the most important elements in the computer. ... Once the platters stop the computer can not be used. ... It is very common for the Computer Case to have LED lights to indicate power status of the computer. ... The Operating System is always installed on the computer by the company, without an Operating System the whole computer would be useless. ...
- Word Count: 1920
- Approx Pages: 8
- Grade Level: High School