CS Edexcel 2.1c Hexadecimal Numbers

Convert the denary value of 12 into hexadecimal

Convert the denary value 6 into hexadecimal

Convert the binary value of 0111 into hexadecimal

Convert the binary value 11010010 into hexadecimal

Computer scientists use the hexadecimal number system because:

• it is easier for humans to read and understand than binary.

• it allows for more efficient data storage.

• it is the native language of computers.

• it is universally used in all programming languages.

How many hexadecimal digits are used to represent the decimal number 16?​ ​ (a)  

• 1
• 2
• 3
• 4

What is the decimal value of the hexadecimal number 1F?

Reorder the following hexadecimal representations, from smallest first to largest last

• 24

• 1F

• 42

• 33

• F1