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Intro to DE

Intro to Digital Electronics Vocabulary

QuestionAnswer
Current a movement of electrical charges around a closed path or circuit.
Resistance Opposition to current. Unit is the ohm.
Digital A way of representing a physical quantity by a series of binary numbers. A digital representation can have only specific discrete values. – lines that are same distance apart and will never meet.
Bread board A circuit board for wiring temporary circuits, usually used for prototypes or laboratory work.
Ohm Unit of resistance. Value of one ohm allow current of one ampere with potential difference of one volt.
Digital Multimeter A piece of test equipment used to measure voltage, current, and resistance in an electronic circuit.
LED Light-emitting diode. An electronic device that conducts current in one direction only and illuminates when it is conducting.
Conventional Current The direction of current flow associated with positive charge in motion. The current flow direction is from a positive to negative potential, which is in the opposite direction of electron flow.
Ohm's Law In electric circuits, V = IR
Fuse A protective device in the current path that melts or breaks when current exceeds a predetermined maximum value.
Created by: Mrs. Birchmore