D.E. key Terms Lesson 1.1

Digital circuitry in which an output is derived from the combination of inputs.

A movement of electrical charges around a closed path or circuit.

Metallic alloy of tin and lead that is used to join two metal surfaces.

The output of this circuit is HIGH (logic level 1) if any or all of its inputs are HIGH.

Derived from "transfer resistor." Semiconductor device that can be used as an electronic switch

The higher of two voltages in a digital system with two logic levels.

An electronic circuit that performs a Boolean algebraic function.

A product of a number greater than one multiplied by a power of ten that is a multiple of three

To switch from one effect, feature, or state to another.

Also called an INVERTER gate that changes its input logic level to the opposite state

All possible values to a digital circuit, and the output response for each input combination.

A series of events that are regularly repeated in the same order.

The unwanted formation of a conductive path of solder between conductors.

A circuit board for wiring temporary circuits, usually used for prototypes or laboratory work.

The algebraic sum of all currents into and out of any branch point in a circuit must equal zero

test equipment used to measure voltage, current, and resistance in an electronic circuit.

A list of all possible input values to a digital circuit, and the output response

Circuit that has only one path current.

An electrical device used to store electrical charge.

Abbreviation of System International

In electric circuits, I=V/R.

Digital signal in the form of a rectangular pulse train or a square wave.

Unit of resistance.

The process of applying a thin coat of solder to materials prior to their being soldered;

Circuit that has two or more branches for separate current from one voltage source.

The algebraic sum of all voltages around any closed path must equal zero.

A way of representing a physical quantity by a series of binary numbers only discrete values

A family of digital logic devices whose basic element is the bipolar junction transistor.

Printed details of the pin configuration, electrical properties, mechanical profile

A way of representing some physical quantity by a proportional continuous voltage or current.

Opposition to current. Unit is the ohm.

Protective device in the current path that melts or breaks when current exceeds a maximum value

The output of this circuit is HIGH only if all of its inputs are HIGH.

The lower of two voltages in a digital system with two logic levels.

Electronic device that conducts current in one direction only and illuminates when conducting.