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DIgital Electronics > DE 1.1 > Flashcards

DE 1.1 Flashcards

1
Q

Definition

A

Term

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2
Q

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.

A

Analog

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3
Q

Digital circuit that implements the AND operation. The output of this circuit is HIGH only if all of its inputs are HIGH.

A

AND Gate

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4
Q

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

A

Breadboard

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5
Q

An electrical device used to store electrical charge.

A

Capacitor

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6
Q

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

A

Clock

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7
Q

Digital circuitry in which an output is derived from the combination of inputs, independent of the order in which they are applied.

A

Combinational Logic

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8
Q

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

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9
Q

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

A

Current

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10
Q

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

A

Cycle

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11
Q

A printed specification giving details of the pin configuration, electrical properties, and mechanical profile of an electronic device.

A

Datasheet

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12
Q

A way of representing a physical quantity by a series of binary numbers. A digital representation can have only specific discrete values.

A

Digital

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13
Q

A series of logic 1s and 0s plotted as a function of time.

A

Digital Waveform

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14
Q

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

A

Digital Multi-Meter(DMM)

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15
Q

A very common IC package with two parallel rows of pins intended to be inserted into a socket of through holes drilled in a printed circuit board.

A

Dual In-Line Package (DIP)

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16
Q

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.

A

Engineering Notation

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17
Q

A protective device in the current path that melts or breaks when current exceeds a predetermined maximum value.

A

Fuse

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18
Q

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

A

Kirchhoff?s Current Law (KCL)

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19
Q

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

A

Kirchhoff?s Voltage Law (KVL)

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20
Q

An IC that contains circuitry equivalent to 100 gates or more.

A

Large Scale Integration (LSI)

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21
Q

Light-emitting diode. An electronic device that conducts current in one direction only and illuminates when it is conducting.

A

LED

22
Q

An electronic circuit that performs a Boolean algebraic function.

A

Logic Gate

23
Q

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

A

Logic HIGH

24
Q

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

A

Logic LOW

25
Q

An IC that contains circuitry equivalent to more than 11 and less than 100 gates.

A

Medium Scale Integration (MSI)

26
Q

Also called an INVERTER gate or an inverting buffer. A logic gate that changes its input logic level to the opposite state.

A

NOT Gate

27
Q

Unit of resistance. Value of one ohm allow current of one ampere with potential difference of one volt.

A

Ohm

28
Q

In electric circuits, I=V/R.

A

Ohm?s Law

29
Q

Digital circuit that implements the OR operation. The output of this circuit is HIGH (logic level 1) if any or all of its inputs are HIGH.

A

OR Gate

30
Q

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

A

Parallel Circuit

31
Q

A square IC package with leads on all four sides designed for surface mounting on a circuit board.

A

Plastic Leaded Chip Carrier (PLCC)

32
Q

Insulating board containing conductive tracks for circuit connections.

A

Printed Circuit Board

33
Q

Opposition to current. Unit is the ohm.

A

Resistance

34
Q

Coding system of colored stripes on a resistor to indicate the resistor’s value and tolerance.

A

Resistor Color Code

35
Q

Numbers entered as a number from one to ten multiplied by a power of ten.

A

Scientific Notation

36
Q

TTL subfamily that uses the basic TTL standard circuit except that it uses a Schottky barrier code (SBD) connected between the base and the collector of each transistor for faster switching.

A

Schottky TTL

37
Q

One that has only one path current.

A

Series Circuit

38
Q

An array of seven independently controlled light-emitting diodes (LED) or liquid crystal display (LCD) elements, shaped like a figure-8, which can be used to display decimal digits and other characters by turning on the appropriate elements.

A

Seven-Segment Display

39
Q

Digital circuitry in which the output state of the circuit depends not only on the states of the inputs, but also on the sequence in which they reached their present states.

A

Sequential Logic

40
Q

Testing design function by specifying a set of inputs and observing the resultant outputs. Simulation is generally shown as a series of input and output waveforms.

A

Simulation

41
Q

Abbreviation of System International, a system of practical units based on the meter, kilogram, second, ampere, Kelvin, mole, and candela.

A

SI Notation

42
Q

An IC package similar to a DIP, but smaller, which is designed for automatic placement and soldering on the surface of a circuit board.

A

Small Outline IC (SOIC)

43
Q

An integrated circuit having 12 or fewer gates in one package.

A

Small-Scale Integration (SSI)

44
Q

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

A

Solder

45
Q

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

A

SolderBridge

46
Q

Process of joining two metallic surfaces to make an electrical contact by melting solder (usually tin and lead) across them.

A

Soldering

47
Q

Tool with an internal heating element used to heat surfaces being soldered to the point where the solder becomes molten.

A

Soldering Iron

48
Q

The process of applying a thin coat of solder to materials prior to their being soldered; for example, application of a light coat of solder to the filaments of a conductor to hold the filaments in place prior to soldering the conductor.

A

Tinning

49
Q

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

A

Toggle

50
Q

Term derived from “transfer resistor.” Semiconductor device that can be used as an amplifier or as an electronic switch.

A

Transistor

51
Q

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

A

Transistor-Transistor (TTL)

52
Q

A list of all possible input values to a digital circuit, listed in ascending binary order, and the output response for each input combination.

A

Truth Table

DIgital Electronics (11 decks)

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