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| Circuit Diagram | A representation of the circuit using special symbols for each part placed in the circuit. |
| Drain | The post that carries the electricity out of the transistor. |
| Filament | A thin fragile thread of material (often carbon or metal) that produces a light when electrons move through it. |
| Gate | The transistor post that is used in turning it on or off. |
| Impure Silicon | Silicon that has purposely been mixed with some other material to increase the conducting ability of the material. |
| Insulator | A material that does not allow electrons to flow through it. |
| N-Type Silicon | Silicon created by adding phosphorous to produce an abundance of electrons; a negative charge. |
| P-Type Silicon | Silicon created by adding boron to produce a material lacking in electrons; a positive charge. |
| Resistance | The tendency to resist or oppose the flow of electrons. |
| Semiconductor | A material that in its pure form is neither an insulator nor a conductor. |
| Silicon | The most common element in nature and the material used to create most transistors and most integrated circuits. |
| Source | The post of a transistor that receives the electricity from the circuit’s pathway. |
| Voltage | The force or strength of the electrical pressure in a circuit. |
| Binary | Anything that has only two states such as on/off or yes/no. |
| Binary Code | A coding system that relies on the use of bits-0s and 1s-to encode information. |
| Binary Digit | A 0 or 1 used in the binary number system. |
| Bit | 0 or a 1. |
| Byte | A grouping of eight adjacent binary digits, 0s and 1s, operated on by the computer as a single unit. |
| Pixel | The smallest unit on a display screen grid that can be stored, displayed, or addressed. |
