AQA A-level Computer Science (7517)Specification point 4.5.2.1

AQA 7517 4.5.2.1: Number base

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. A7.1 Number sets, bases and units Data representation
    Natural, integer, rational, irrational, real and ordinal numbers; any number base; bits, bytes, kilo and kibi.
  2. A7.2 Binary arithmetic and signed integers Data representation
    Unsigned addition and multiplication, sign and magnitude, two's complement, subtraction and overflow.

Try it on a robot

The task from A7.1 Number sets, bases and units, running here. Change the program and press Run.

The specification is AQA's own document; this page says which of our lessons teach point 4.5.2.1 and is not endorsed by the board.