Review these notes. For maximum benefit, go through these notes interactively, thinking about and answering the questions at the bottom of each page. These notes are an experiment in applying the "programmed learning" method to web-based computer aided instruction. The subject is Java Programming for beginning programmers. The content is intended to start beginning programmers out on the track to professional-level programming and reinforce learning by providing abundant feedback. Java is a programming language that is used often in professional practice. After you have installed the game, where are its parts located? When you play the game, its various parts are copied from the hard disk into main memory as needed.
Input and output devices allow the computer system to interact with the outside world by moving data intoand out of the system. An input device is used to bring data into the system. Some input devices are:
An output device is used to send data out of the system. Some output devices are: A network interface acts as both input and output. Data flows from the network into the computer, and out of the computer into the network.
Do you think that data transfer from the network is slower or faster than from main memory? Page 2
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