Denary, Binary and Hexadecimal
After watching this video you should understand how to convert between binary and denary and hexadecimal. If not watch the IGCSE videos for Number Representation and see if that helps
Twos Complement:
To represent positive and negative numbers
Character Sets:
Ascii and Unicode
Types of Numbers
Binary Coded Decimals
Uses of Binary Coded Decimals
- The Floating Point Rounding Error Problem
Past Paper Questions