Sparks · Ages 7–10 · first steps· 1-bit

Inside the Machine

What is really inside a phone or a laptop? Billions of tiny switches. Flip some yourself and discover how switches become numbers, and how numbers become pictures.

2 lessons 16 min 80 XP

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Lessons

1💡On and offComputers are made of switches. One switch is one bit, and bits make numbers.8 min40 XP
2🖼️Pictures made of switchesA picture is a grid of tiny squares called pixels. Each pixel is stored as bits.8 min40 XP