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# DE 1.1-Nalina

### Vocab for digital electronics 1.1 unit

TermDefinitionExample
Analog A way of representing some physical quantity, such as temperature or velocity, by a proportional continuous voltage or current. An analog voltage or current can have any value within a defined range The clock on the wall is analog because the values are constantly changing
Breadboard A circuit board for wiring temporary circuits, usually used for prototypes or laboratory work. We used a breadboard to test our circuit ideas
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. A conventional current is needed for proper circuit
Current A movement of electrical charges around a closed path or circuit. we measured the current using an ammeter
Digital A way of representing a physical quantity by a series of binary numbers. A digital representation can have only specific discrete values. The microwave clock is digital because it only changes per minute
Digital Multi-Meter(DMM) A piece of test equipment used to measure voltage, current, and resistance in an electronic circuit. The voltage measured on the multi meter was 12 V
Engineering Notation A floating point system in which numbers are expressed as products consisting of a number greater than one multiplied by an appropriate power of ten that is some multiple of three. 10^6 instead of something like 1000^2
Kirchhoff’s Current Law (KCL) The algebraic sum of all currents into and out of any branch point in a circuit must equal zero. Kirchhoff's law is used a lot in calculations
LED Light-emitting diode. An electronic device that conducts current in one direction only and illuminates when it is conducting. We use tiny LED lights to test circuits
Ohm Unit of resistance. Value of one ohm allow current of one ampere with potential difference of one volt. Named after Georg Simon Ohm
Ohm’s Law In electric circuits, I=V/R. Ohms law gives us a formula that we use in calculations
Parallel Circuit One that has two or more branches for separate current from one voltage source. The amount of current that is in each section is different in a parallel circuit
Resistance Opposition to current. Unit is the ohm. resistance is measured on ohms
Resistor Color Code Coding system of colored stripes on a resistor to indicate the resistor's value and tolerance. silver bands mean a 10% tolerance resistor
Scientific Notation Numbers entered as a number from one to ten multiplied by a power of ten Instead of writing .00056 we write 5.6 x 10^-4
Series Circuit One that has only one path current. Current is all the same in a series circuit
SI Notation Abbreviation of System International, a system of practical units based on the meter, kilogram, second, ampere, Kelvin, mole, and candela. For example using Si notation, ohms would be R
Solder Metallic alloy of tin and lead that is used to join two metal surfaces. When certain components are not as easily fusible, we use solder.
Soldering Process of joining two metallic surfaces to make an electrical contact by melting solder (usually tin and lead) across them. Soldering allows us to fuse parts together
Soldering iron Tool with an internal heating element used to heat surfaces being soldered to the point where the solder becomes molten. we use a soldering iron when we need to fuse materials.
Created by: Nalina

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