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Foundations in Elect

AND Gate Digital circuit that uses the AND operation to work. The OUTPUT outcome is HIGH if the INPUT outcome is HIGH. Unless all the inputs of my circuit on multisim were one in the AND Gate , the output was a zero.
Capacitor An electrical device used to store electrical charges. Capacitors are used in everyday life because they are used as a power conductor.
Clock Digital signal in the form of a rectangular pulse train or a square wave. On a digital clock there is a numerical value shown to signify the time.
Computational Logic Digital circuitry in which the output is the outcome of a combination of inputs, independent of the order they were put in. In my circuit there was a computational logic because all the outputs were dependent on the values of my input.
Cycle A series of events that are constantly repeated in the exact same order. When starting to make anything there needs to be a cycle of what to do. The cycle is to insure everything runs smoothly.
Datasheet A printed specification giving instruction of pin configuration, electrical properties, and mechanical profiles of an electronic device. The datasheet is to help keep track of everything that needs to be done and that is already done.
Dual in-Line Package (DIP) Very common IC package with 2 parallel rows of pins intended to be inserted into a socket through holes drilled in a printed circuit board. DIP insures that no physical damage and is the last stage of the semiconductor device fabrication.
Fuse A protective device in a current path that melts or breaks when the current exceeds a certain maximum value. The fuse insures the device is being protected, when the fuse blows there is too much damage done to the system and the product can no longer be used.
Large Scale Integration (LSI) An IC that contains circuitry equivalent to 100 gates or more. LSI is an IC that is only for circuits with a large amount of gates so X>100 (or equal to)
Logic Gate An electrical circuit that performs a Boolean algebraic formula. Logic gates are always represented by binary, 1 and 0 so there is two inputs and outputs.
Logic HIGH The higher or 2 Voltages in a digital system with 2 logical levels. High logic is the logic 1 and is represented by +5V relative to the ground.
Logic LOW The lower of 2 voltages in a digital system with 2 logic levels. Low logic is the logic 0 and is represented by 0V relative to the ground.
Medium Scale Integration (MSI) An IC that contains circuitry the same as more than 11 and less than 100 gates. MSI is an IC that is only for circuits that are in the middle of the SSI and the LSI so 11<X<100.
NOT Gate INVERTER gate or an inverting buffer. A logic gate that changes its input logic level to the opposite state. In circuits with a NOT gate the outcome is different every time the switch is toggled because the input logic level changes to the opposite.
OR Gate Digital circuit that uses the OR operation. The output is HIGH (logic level 1) if any or all inputs are HIGH. The OR gate needs to have a High logic level at least in one of the input for the output to be at a High logic level as well.
Plastic Leaded Chip Carrier (PLCC) A square IC package with leads on all 4 sides designed for surface mounting. It is a reduced cost development of the ceramic lead less chip carrier.
Printed Circuit Board Insulating board containing conductive tracks for circuit connections. Assurance integrated circuits and other electronic components fixed, and support mechanical assembly.
Schottky TTL A subfamily of TTL that uses a basic TTL slandered circuit except it uses a Schottky barrier code (SBD) connected between the base and the collector of each transistor for faster switching. TTL type but a Schottky TTL uses a Sckotty barrier code.
Seven-Segment Display Array of 7 separately controlled light-emitting diodes (LED) or liquid crystal display (LCD) elements, shaped like an 8, which can be used to display decimal digits and other characters by turning on their specified element. Random number generator had a seven-segment display because it had 7 leds.
Simulation Testing design function by specifying a set of inputs and observing the outputs results. Simulation is generally shown as a series of inputs and outputs waveforms. We simulate on computer to insure experiment works before we apply it to the real circuits.
Small Outline IC (SOIC) IC package similar to a DIP, smaller, which is designed for an automatic placement and soldering on the surface of a circuit board. SOIC helped us when soldering because we were able to solder quickly.
Small-Scale Intergation (SSI) Integrated circuit with 12 or less gates in a package. SSI only used on circuits with low amount of gates X<12(or equal to).
Solder Bridge An unwanted formation of a conductive path of soldering in between conductors. Soldering bridges is when the solder from one part connects with the soldering from another part to create a bridge or a line connecting the two solderings.
Tinning Process of applying a thin coat of solder to materials prior to being soldered. ex. Applying a light coat of solder to a filament of a conductor to hold the filament in place prior to soldering the conductor. We tinned our on the materials before we soldered on our pieces to the board.
Toggle Switch from 1 effect, feature or state to the other. Toggle is to switch from a 0 to a 1 and vise versa.
Transistor Derived from "transfer resistor." Semiconductor devices that can be used as an amplifier or an electronic switch. Transistors amplify a switch.
Transistor- transistor (TTL) A family of digital logic devices whose basic purpose is the bipolar junction transistor. TTL helps make integrated circuits.
Truth Table List of all possible input values to a digital circuit, listed in ascending binary order, and the output response for each input combination. Truth Tables help make a list of all the inputs and the outputs for later reference.
Sequential Logic Digital circuitry where the output depends not only on the states of the input but also on the sequence in which they work. Dependent on the input and the order in of the input.
Created by: Ruth Tefera
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