AQA GCSE Computer Science (8525)Specification point 3.3.2

AQA 8525 3.3.2: Converting between number bases

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. F8.2 Binary and denary Data representation
   Converting 8-bit numbers both ways, and hearing them on the buzzer.
2. F8.3 Hexadecimal Data representation
   Base 16, converting to binary and denary, and the LED's colour codes.
3. F13.5 Number and data questions Exam preparation
   Conversions, units and file sizes at speed, with the checks that catch mistakes.

Try it on a robot

The task from F8.2 Binary and denary, running here. Change the program and press Run.

Past paper questions on this

Real exam questions that test this, each worked through with a program you can run.

• Edexcel 1CP2 June 2022 Paper 2, Question 4: Rearrange mixed-up lines: binary to denary with a doubling multiplier 15 marks

The specification is AQA's own document; this page says which of our lessons teach point 3.3.2 and is not endorsed by the board.