Hexadecimal

Hexadecimal

Working with base 16 numbers

Multiple Select

What will you learn in this lesson?

• Define the term "hexadecimal"

• Explain why hexadecimal is used

• Convert numbers between hexadecimal and binary

• How to count to 100 in hexadecimal

Multiple Choice

What set of digits is available in hexadecimal?

• 0..9 and A..F

• 0..15

• 0..9 and a..f

• 0..9 and A..Z

Multiple Choice

How many bits are needed to represent one hexadecimal digit?

• 4

• 2

• 8

• 16

Multiple Choice

What is the decimal value of this hexadecimal number?

FFF

• 255

• 1023

• 2047

• 4095

Multiple Select

Choose all the places in Computer Science where hexadecimal numbers are used ....

• Representing RGB colours

• IPv6 addresses

• Device MAC addresses

• IPv4 addresses

Multiple Choice

What is the main reason that hexadecimal numbers are used in computer science?

• Shortens binary data by 75%

• Takes up less storage space in RAM

• They can represent a greater range of values than binary

• Easier to do arithmetic calculations

Open Ended

What was the most important thing you've learnt in this lesson and why?

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it