AQA A Level Computer Science 5 - Fundamentals of data representation Study Guide Exam With Solved Answers 2024.

Natural number - Answer A positive whole number including zero. Integer - Answer Any whole positive or negative number including zero. Rational number - Answer Any number that can be expressed as a fraction or ratio of integers. Irrational number - Answer A number that cannot be represented as a fraction or ratio as the decimal form will contain infinite repeating values. Real number - Answer Any positive or negative number with or without a fractional part. Ordinal number - Answer A number used to identify position relative to other numbers. Cardinal number - Answer A number that identifies the size of something. Well-ordered set - Answer A group of related numbers with a defined order. Unsigned binary - Answer Binary that represents positive integers only. Two's complement - Answer A method of working with signed binary values. Fixed point - Answer Where the decimal/binary point is fixed within a number.