Unit 6 - Data Types

List and define primitive data types

Represent positive integers in binary and hexadecimal

Convert between binary, hexadecimal and denary

Define a bit as a 1 or a 0, and a byte as a group of eight bits

Know that 2n different values can be represented with n bits

Use names, symbols and corresponding powers of 2 for binary prefixes e.g. Ki, Mi 

Differentiate between the character code of a decimal digit and its pure binary representation

Describe how character sets (ASCII and Unicode) are used to represent text

Use sign and magnitude to represent negative numbers in binary

Use two’s complement to represent negative numbers in binary

Add and subtract binary integers

Represent fractions in fixed point binary

Represent positive and negative numbers with a fractional part in floating point form

Normalise un-normalised floating point numbers with positive or negative mantissas

Add and subtract floating point numbers

Perform logical, arithmetic and circular shifts on binary data

Perform bitwise operations AND, OR and XOR

Use masks to manipulate bits