Binary and Computers
Grade 9Computer Science45 min
Learning Objective
I can explain the relationship between binary code, electrical circuits, and the representation of data in computers.
Lesson Flow
Watch Video
Why Do Computers Use 1s and 0s? Binary and Transistors Explained.
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Practice
7 questions • Short answer
Exit Ticket
“Explain how a transistor, acting as a switch, is used to represent a 0 or a 1 in binary code. Describe how computers use binary code to represent letters and other characters, referencing ASCII in your explanation. ”
Teacher Guide
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- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
