Virtual B4
A course that explores binary numbers, binary addition, subtraction and memory. Build and program a simple logic computer.
Let's get started
Lesson Plan
1. 3-2-1 go !
Learn about binary numbers.
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2. Binary Counting
We go from 4 bit to 8 bit.
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3. Longer Binary Numbers

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Add two binary numbers.
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4. Addition
(requires student license)

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Add three binary numbers.
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5. More Addition
(requires student license)

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Subtract binary numbers
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6. Subtraction
(requires student license)

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How a computer remembers few bits of information.
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7. Short-term memory
(requires student license)

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How a computer can automatically remembers information
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8. Short term memory and the Clock Signal
(requires student license)

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How a computer remembers many bits of information.
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9. Long term memory
(requires student license)

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How does a computer choose the data it needs to process?
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10. Giving Direction to Data
(requires student license)

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We start building a real computer
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11. Build a Manual Computer, Part 1
(requires student license)

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We continue building a real computer
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12. Build a Manual Computer, Part 2
(requires student license)

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A computer capable of addition, subtraction and data storage.
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13. We make a real computer
(requires student license)

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Make your own experiments from scratch.
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14. B4 Workshop
(requires student license)