Basic Concepts of Circuits

What is a circuit?

• A straight line that never ends

• A path that begins and ends in the same place

• A random collection of wires

• A device that stores electricity

What is the primary function of electronic signals?

• To store information in a database

• To send information as a pattern in a controlled flow of energy through a circuit

• To create visual displays on screens

• To power electronic devices

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NGSS.MS-PS4-3

What code did the electrical telegraph use to send signals?

• Binary code

• ASCII code

• Morse code

• QR code

What does modern technology combine?

• Only electronic signals

• Only electromagnetic signals

• Both electronic and electromagnetic signals

• Neither electronic nor electromagnetic signals

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NGSS.MS-PS4-3

What are the two types of signals that can carry information from one place to another?

• Light and Sound signals

• Analog and Digital signals

• Mechanical and Electrical signals

• Thermal and Optical signals

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NGSS.MS-PS4-3

Which type of signal is known for its power and flexibility, making it the foundation for many modern technologies?

• Analog signals

• Digital signals

• Electromagnetic signals

• Acoustic signals

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NGSS.MS-PS4-3

What is an analog signal?

• A signal that allows for a continuous record of some kind of action

• A digital representation of data

• A signal that is only used in computers

• A type of signal that is always binary

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NGSS.MS-PS4-3

What is one advantage of analog signals?

• More accurate

• Easily distorted

• Low quality

• Not portable

What is one disadvantage of analog signals?

• Easily distorted

• High quality

• Portable

• Expensive

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NGSS.MS-PS4-3

What is a disadvantage of digital signals?

• They use more energy

• They are easier to store

• They are of lower quality

• They are less flexible

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