AI for students · lesson 1 of 24 · free

What is AI? — AI for students

AI (artificial intelligence) is a computer system that learns patterns from examples and then makes a best guess about something new. A normal program, like a calculator or a clock, follows fixed rules that a person wrote and never learns. Jobs with messy, varied inputs — faces, voices, handwriting — need AI; jobs where one exact rule always works do not.

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AI tip

Learns or follows? — “AI learns patterns from examples; a normal program only follows rules people wrote”

  1. AI learns patterns from examples, makes a best guess and can handle examples it has never seen — but its guess can be wrong.
  2. A normal program follows fixed rules people wrote and does exactly as coded; it never learns from data.
  3. Ask: does this job need learning from many examples (recognising a face), or does one exact rule always work (adding marks)?

Use it for: Whenever you meet a new app or gadget and wonder whether it really uses AI.

Worked example: 🤖 AI or a normal program: which one “learns from examples”? → AI

  1. Learning from examples is the special thing about AI.
  2. A normal program only follows the rules it was given, so the answer is AI.

Check: Try it: list 3 machines at home and write “AI” or “not AI” next to each, with one reason ✓

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✏️ Practice

Work it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.

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🏁 Lesson 1 test

20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.

🏅 Sign in with Google to earn the 🤖 AI Basics Explorer badge when you pass — and a certificate when you finish all 8 lessons of Part 1 · What AI is. You can still take the test without signing in.

🖨️ AI for Kids Worksheet: What Is AI

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