1.3. Computer Organization

Regardless of differences in physical appearance, virtually every computer may be envisioned as divided into six logical units or sections:

  1. Input unit. This “receiving” section obtains information (data and computer programs) from input devices and places this information at the disposal of the other units so that it can be processed. Most information is entered into computers through keyboards and mouse devices. Information also can be entered in many other ways, including by speaking to your computer, by scanning images and by having your computer receive information from a network, such as the Internet.

  2. Output unit. This “shipping” section takes information that the computer has processed and places it on various ...

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