AQA A-level Computer Science (7517)Specification point 4.5.4.3

AQA 7517 4.5.4.3: Signed binary using two's complement

The free BugBot lessons that teach this point, a robot to try it on, and the past-paper questions that test it.

Lessons that teach it

1. A7.2 Binary arithmetic and signed integers Data representation
   Unsigned addition and multiplication, sign and magnitude, two's complement, subtraction and overflow.
2. A15.7 Calculation and theory questions Exam preparation
   Number representation, floating point, Boolean logic, state machines and complexity answered quickly and checked.

Try it on a robot

The task from A7.2 Binary arithmetic and signed integers, running here. Change the program and press Run.

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