Chapter 22-1
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15 terms
Terms | Definitions |
|---|---|
 crystal | a solid substance which has a regularly repeating internal arrangement of atoms |
| Electronic signal | a changing electric current that is used to carry information; can be analog or digital |
| Analog signal | an electronic signal that carries information and varies smoothly with time |
| Digital Signal | electronic signal that carries information that does not vary smoothly with time, but changes in steps between certain values, and can be represented by a series of numbers |
| Semiconductor | element, such as silicon, that is a poorer electrical conductor than a metal, but a better conductor than a nonmetal, and whose electrical conductivity can be changed by adding impurities |
| Diode | a solid-state component made from two layers of semiconductor material that allows electric current to flow in only one direction and is commonly used to change alternating current to direct current |
| Transistor | a solid-state component made from three layers of semiconductor material that can amplify the strength of an electric signal or act as an electronic switch |
| Integrated circuit | circuit that can contain millions of interconnected transistors and diodes imprinted on a single small chip of semiconductor material |
| Doping | adding impurities to change the conductivity of a semiconductor |
| Solid-state | components that are made from combinations of n-type and p-type semiconductors |
| Vacuum | kind of tube used in old televisions instead of semiconductors |
| Digital | signal that jumps in steps |
| P-type | semiconductor with fewer electrons |
| Digitilization | a process used to convert analog signals to digital signals |
| N-type | semiconductor with extra electrons |
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