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In the second and third tutorial we explore how a computer adds and subtracts binary numbers. Adding sits at the heart of most if not all computations - algorithms cleverly decompose higher mathematics into addition. Subtraction is achieved by forming the binary complement of the subtrahend and then adding it. Multiplication, is a sequence of additions. Division is a sequence of subtractions.
The Blueberry4 Adder and Inverter modules form, what we call, the computer's Arithmetic Logical Unit.
Addition:
Subtraction:
We are super excited to announce the release of a new Australian-made tech kit for the classroom. The B4 is an educational computer kit with an accompanying study guide designed to help students explore the fundamental operation of computers under the new Australian Curriculum: Digital Technologies.
By carefully removing barriers and abstraction layers from modern computers, we have made technology more accessible and more easily understandable for students and teachers.
Check out our latest Newsletter for details.
