Number bases and place value
Number bases and place value

A number base tells you how many different digits are available. Decimal is base 101010, binary is base 222, and hexadecimal is base 161616.
Step-by-step lessons covering AQA GCSE Computer Science Converting between number bases for GCSE Computer Science. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Build strong foundations in binary, logic and core programming constructs before moving on to the more complex algorithm design and evaluation questions.