Why Do Computers Use Binary?

Examples

1. A light switch is binary, on or off, just like a computer’s switches.
2. Your phone uses binary to store your favorite photo as zeros and ones.
3. When you play a video game, the computer calculates all the movements using only numbers 0 and 1.

More examples

See also

• How Does a Smartphone Recognize Your Face?
• Why Do We Use Passwords for Security?
• Why Do We Use ‘Barcodes’ on Products and How Do They Work?
• How does the latest generation of brain-computer interfaces function?
• How Did the Internet Begin?

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