1.1.2 Hexadecimal

• represent integers as hexadecimal numbers
• show understanding of the reasons for choosing hexadecimal to represent numbers
• convert positive hexadecimal integers to and from denary
• convert positive hexadecimal integers to and from binary
• represent numbers stored in registers and main memory as hexadecimal
• identify current uses of hexadecimal numbers in computing, such as defining colours in Hypertext
Markup Language (HTML), Media Access Control (MAC) addresses, assembly languages and
machine code, debugging