What is an axial-leaded component?

A component with leads on each end along its axis, designed for through-hole mounting.

A component that stores electrical energy.

A component that resists current flow.

What is the function of a capacitor?

To store electrical energy in an electric field.

A metal alloy used to bond metal surfaces in soldering.

What is a solder joint?

The connection formed by soldering.

A metal made by combining two or more metallic elements.

What is flux used for in soldering?

A chemical cleaning agent used before and during soldering to prevent oxidation.

A type of flux derived from pine resin.

What does the term "lead" refer to in electronics?

A wire coming from an electronic component; also refers to a toxic metal previously used in solder.

What is the function of a soldering iron?

A tool used to heat solder and create solder joints.

A device for measuring electric current.

A material that resists the flow of electricity.

Which of the following best describes oxidation?

The chemical reaction of metal with oxygen, often forming a non-conductive layer.

The process of heating a soldering iron.

The flow of electric charge through a conductor.

The opposition to current flow in a material.

What is the SI system?

The International System of Units used globally for scientific measurements.

A tool for creating solder joints.

A decimal-based measurement system.

What is the main difference between a molecule and an atom?

A molecule consists of two or more atoms chemically bonded together, while an atom is the smallest unit of an element.

A molecule is always negatively charged, while an atom is neutral.

A molecule is found only in metals, while an atom is found in all substances.

A molecule is a type of electric current, while an atom is a type of resistance.

Why is tinning the tip of a soldering iron important?

To prevent oxidation and improve heat transfer.

To increase the resistance of the soldering iron.

To create a non-conductive layer.

Which of the following best defines resistance?

The opposition to current flow in a material.

The flow of electric charge through a conductor.

The stored energy due to the position of charges in an electric field.

The number of protons in an atom’s nucleus.

What is the role of a conductor in an electric circuit?

To allow the easy flow of electricity.

To store electric potential energy.

Which elements are considered noble elements?

Elements in group 18 of the periodic table that are chemically inert.

Elements that conduct electricity easily.

Elements with a high atomic number.

How does the metric system differ from other measurement systems?

It is a decimal-based measurement system.

It is only used in the United States.

It measures only electric current.

It is based on the number of protons in an atom.

What is the function of an insulator in an electrical circuit?

A material that resists the flow of electricity.

A material that conducts electricity very well.

A device that increases voltage.

According to Ohm’s law, what is the relationship between voltage, current, and resistance?

Voltage = current × resistance

Voltage = resistance ÷ current

Voltage = current ÷ resistance

What does Kirchhoff’s voltage law state?

The sum of voltages around a closed loop equals zero.

The sum of currents entering a junction equals the sum leaving it.

Voltage = current × resistance.

What is the main difference between analog and digital signals?

Analog signals vary smoothly over time, while digital signals use binary values.

Analog signals use binary values, while digital signals vary smoothly.

Analog signals are always high voltage, digital signals are always low voltage.

Analog signals are used for programming, digital signals are used for downloading.

Which of the following best describes a programmable device?

An electronic device that can be programmed to perform specific functions.

A device that only stores data.

A device that only transmits analog signals.

A device that cannot be reprogrammed.

Why might a simulation be used in circuit design?

To test circuit designs in a computer-based model before building them physically.

To increase the voltage in a circuit.

To connect components end-to-end.

To transfer data from one device to another.

What does a truth table show?

All possible input combinations and their corresponding outputs

The voltage levels of a circuit

The decimal values of binary numbers

What does a digital waveform graph show?

The high and low states of a digital signal over time

What is the main difference between a periodic and an aperiodic waveform?

A periodic waveform repeats at regular intervals, while an aperiodic waveform does not.

A periodic waveform is always analog, while an aperiodic waveform is digital.

A periodic waveform is used in clocks, while an aperiodic waveform is not.

A periodic waveform has only high states, while an aperiodic waveform has only low states.

What is the purpose of a clock in digital circuits?

To coordinate actions in digital circuits

To convert analog signals to digital

What is the definition of a pulse in electronics?

A temporary change in voltage from one level to another.

A continuous increase in voltage.

A decrease in voltage over time.

Digital Electronics Vocab Final

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The voltage required to operate a device.

The type of solder used in a joint.

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Digital Electronics Vocab Final

100 questions

What is static electricity?

Which unit is used to measure electric potential or electromotive force?

What does voltage refer to in an electrical circuit?

Which phenomenon is described as a natural discharge of static electricity, usually between clouds or from cloud to ground?

What is the flow of electric charge, measured in amperes, called?

Why is a polarized part important in electronic circuits?

What does the term "tolerance" refer to in electronics?

Which component is used to control voltage and current in a circuit by resisting the flow of electrical current?

What is an axial-leaded component?

What is the function of a capacitor?

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