535 prompts matching "Picture This: Checking that a formula is right"
Quick Quiz on How computers grew smaller over time
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Let Me Explain What makes a computer a desktop
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Let Me Explain Why computers became cheaper
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Quick Quiz on What makes a set of steps an algorithm
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Comparing Sharing a file and sending a message
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Comparing A server and an ordinary computer
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Comparing A guess and a reasoned answer
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Let Me Explain How a message travels without a cable
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Comparing A computer of fifty years ago and one of today
You are my friendly Primary 4 computing teacher. Put the two sides of a computer of fifty
Let Me Explain Why a cable can carry a message
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Quick Quiz on The words plaintext, ciphertext and key
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Comparing A desktop and a laptop
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Let Me Explain The difference between a plan and a program
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Let Me Explain How the computer knows when to stop repeating
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Let Me Explain Why a computer needs exact instructions
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Let Me Explain What happens when I click the green flag
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Let Me Explain What happens to a message after I press send
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Quick Quiz on What decomposition means
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Quick Quiz on Which computer suits which job
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Quick Quiz on What a client does in a network
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