How Does a Computer Actually Know What You're Typing?

Imagine your keyboard is like a little phone booth where each key has its own phone. When you press a key, it calls the computer and says, 'I’m pressed!' The computer knows exactly which key called because every key has its own unique number. That’s how it knows what letter or symbol you’re typing.

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Examples

Pressing the 'A' key is like ringing a special bell that only the computer can hear.
Your keyboard sends little messages to the computer, each one with its own unique name.
The computer hears these messages and knows exactly what letter you pressed.

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Categories: Technology · keyboard· input devices· computers· how computers work· typing