Binary and Denary Conversions

Binary uses just 2 characters - 0 & 1

• True
• False

Denary uses 11 different characters 0-10

• True
• False

What is 12 (denary) in binary

• 1010
• 0011
• 1111
• 1100

What is 1001 (binary) in denary

• 8
• 9
• 6
• 2

Denary is the numbers that we as humans use in every day maths in our lives

• True
• False

What is 16 (denary) in binary

• 1010
• 0011
• 1111
• 1100

What is 0010 (binary) in denary

• 8
• 9
• 6
• 2

Why is binary is used?

• Because we enjoy some extra maths
• It represents how computers interpret electrical signals
• Because it describes star systems
• Computers don't understand spoken english

What are the correct place values for 8 bits of binary

• 128 64 32 16 12 8 4 2
• 1 2 4 8 16 32 64 128
• 128 64 32 16 8 4 2 1
• 18 16 12 10 8 4 2 1

What are the correct place values for denary

• 1000 100 10 1
• 1111 111 11 1
• 1 10 100 1000
• 1000 100 10 0