8.3 Data Representation Assessment

'Denary' is the name given to the system used by humans. How many different numbers does it use?

• 2
• 5
• 9
• 10

What are the numbers in denary?

• 0-1
• 1-2
• 0-9
• 1-9

Denary is base...

• 2
• 5
• 9
• 10

'Binary' is the name given to the system used by computers. How many different numbers does it use?

• 2
• 5
• 9
• 10

What are the numbers in binary?

• 0-1
• 1-2
• 0-9
• 1-9

Binary is base...

• 2
• 5
• 9
• 10

Computers use binary because...

• Processors contain switches that can either be 'off' or 'off'
• It's what they understand
• Processors contain switches that can either be 'on' or 'off'
• Processors contain switches that can either be 'on' or 'on'

Convert the binary number 001011 into denary. Select the correct answer from the list below.

• 3
• 11
• 5
• 8
• 15

Convert the binary number 110010 into denary. Type your answer below

Convert the binary number 100011 into denary. Select the correct answer from the list below.

• 32
• 33
• 34
• 35
• 36