A Balanced Introduction to Computer Science
For Introduction to Computing and the Web courses in departments of Math and Computer Science.
Bridge Page: www.prenhall.com/reed
Author Website: www.dave-reed.com/book
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Switches. Computers, along with most modern machines, are electrical devices.
The components of a computer require electrical power to carry out their
assigned tasks. For example, electricity generates the light that shines through a
Appliances plugged into the outlet receive power. OFF Electrical current enters
the house from power lines. 2. When the switch is OFF, the connection to the
outlet is broken. 1. 3. Appliances DO NOT receive power from the outlet. Figure
16.2 A ...
In practice, each transistor acts as a switch that can be opened or closed to
control the flow of electricity through a wire.A control wire determines whether the
switch is closed, allowing current to move through the connection, or open,
Internet and the Web
HTML and Web Pages
The Internet and the Web
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