Microprocessors and Electronic Building Blocks

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Questions and Answers

What is the primary material used to make silicon chips?

Copper

Silicon (correct)

Plastic

Aluminum

Silicon chips are very large and can withstand physical damage.

False

What is the term for a silicon chip that can store information, process it, and control other electric circuits?

Microprocessor

The first silicon chip was developed in _______.

1958 Signup and view all the answers

Match the following devices with their primary usage:

Calculator = Basic arithmetic operations Computer = Sophisticated processing and data storage Microwave oven = Heating and cooking food Washing machine = Cleaning and drying clothes Signup and view all the answers

What is the purpose of microprocessors in household appliances?

To make them more programmable Signup and view all the answers

What is the approximate size of a silicon chip?

The size of a fingernail on your little finger Signup and view all the answers

Integrated circuits are used only in desktop computers.

False Signup and view all the answers

What is the primary function of capacitors in electronic circuits?

To store electric charge for a short time Signup and view all the answers

Diodes allow electric current to travel through them in both directions.

False Signup and view all the answers

What is the unit of measurement for capacitance?

farad (F) or microfarad (μF) Signup and view all the answers

An arrangement of seven ______ can be used in devices like watches, clocks, calculators and digital meters to display any number between 0 and 9.

LEDs Signup and view all the answers

Match the electronic components with their functions:

Resistor = Controls the flow of electric current Capacitor = Stores electric charge for a short time Diode = Allows electric current to travel through it in only one direction Transistor = Amplifies electric signals Signup and view all the answers

What type of devices often use microprocessors to store and process information?

Cars, phones, cameras, and watches Signup and view all the answers

Silicon is a type of metal used in electronic devices.

False Signup and view all the answers

What is the name of the component that allows electric current to travel through it in only one direction?

Diode Signup and view all the answers

What are the three essential items in an electric circuit?

Power supply, load, and conducting path Signup and view all the answers

Most household appliances rely on batteries for electrical energy.

False Signup and view all the answers

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

To convert electrical energy into other useful forms of energy Signup and view all the answers

The chemical energy stored in batteries is transformed into _______________ energy as a chemical reaction takes place.

electrical Signup and view all the answers

What is the purpose of a conducting path in an electric circuit?

To allow electric charge to flow around the circuit Signup and view all the answers

Match the following electronic devices with their functions:

Ammeter = Measure electrical current Voltmeter = Measure voltage Switch = Control the flow of electric charge Resistor = Reduce voltage Signup and view all the answers

Electricity is a form of chemical energy.

False Signup and view all the answers

What is the role of a power supply in an electric circuit?

To provide electrical energy Signup and view all the answers

Study Notes

Microprocessors and Electronic Components

Microprocessors are used in automated equipment in various industries, cars, phones, cameras, watches, and other devices that store and process information.

Electronic Building Blocks

Common electronic components in circuits include capacitors, diodes, and transistors.
Capacitors store electric charge for a short time before allowing it to flow to other parts of a circuit, and their capacity is measured in farads (F) or microfarads (μF).
Diodes allow electric current to travel through them in only one direction, with the negative end connected closer to the negative terminal of the power supply.

Integrated Circuits and Microprocessors

Integrated circuits contain thousands of miniature electronic components etched onto chips, and are used in devices like watches, calculators, and digital meters.
The first silicon chip was developed in 1958, and by 1965, chips could hold about 30 electronic components.
By 1975, similar-sized chips could hold about 30,000 components, allowing for the production of desktop computers with sophisticated processing capabilities.
Modern methods of producing chips have led to the development of chips with millions of electronic components.
Microprocessors are silicon chips that can store information, process it, and control other electric circuits, and have been used in calculators, computers, and household appliances since 1971.

Electric Circuits

Electric circuits consist of three essential items: a power supply, a load, and a conducting path.
A power supply provides electrical energy, a load converts electrical energy into other useful forms of energy, and a conducting path allows electric charge to flow around the circuit.
Batteries store chemical energy that is transformed into electrical energy through a chemical reaction.
Most household appliances receive electrical energy from a power station via a power outlet.

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Description

Learn about microprocessors and their applications in various industries, as well as common electronic components such as capacitors, diodes, and transistors.