Wavelength/Amplitude and Informational Technologies VRE Review

Front

What is Morse code?

Back

A system of dashes and dots used to represent letters and numbers in the alphabet.

Front

How do you signal 'hello' in Morse code?

Back

.... . .-.. .-.. ---

Front

What is binary code?

Back

A system of communication that uses two digits, 0 and 1, to represent information.

Tags

NGSS.MS-PS4-3

Front

How does a QR code work?

Back

It uses patterns of black and white squares to represent information.

Tags

NGSS.MS-PS4-3

Front

What is the system of communication that uses long and short signals?

Back

Morse code.

Front

What happens when you blow gently on a flute?

Back

The sound produced is softer and quieter.

Tags

NGSS.MS-PS4-1

Front

What happens when you blow harder on a flute?

Back

The sound produced is louder.

Tags

NGSS.MS-PS4-1

Front

What is the difference between pitch and loudness?

Back

Pitch refers to how high or low a sound is, while loudness refers to how soft or loud a sound is.

Front

What does a QR code typically represent?

Back

Information such as a website link or product details.

Front

What is the purpose of using binary code in computers?

Back

To process and communicate instructions using a simple two-symbol system.