Y7 Computing - Binary 1

8 in binary is

• 101
• 1001
• 1010
• 1000

Binary only has two states, 1 or 0.

• true
• FALSE

How would you write the number 4 in binary code?

• 0100
• 0000
• 0001
• 0010

How do you represent 12 in binary?

• 1010

• 1100

• 1001

• 0101

How do you represent 11 (eleven) in binary?

• 11

• 1100

• 1011

• 0010

How do you represent 9 in binary?

• 1000

• 1111

• 1100

• 1001

What is the rule to tell you whether a binary number is odd or even?

• The right hand digit is always 0

• It has an odd number of 1's

• It has an odd number of 0's

• The right hand digit is always 1

Which of the following forms of data are represented in binary form inside computers? (tick as many as you think apply)

• Text and numbers

• Images

• Sound

• Video

How do you represent 17 in binary?

• 10001

• 11001

• 10010

• 10101

Which one of the following statements is FALSE?

• Humans work with numbers in decimal form

• Computers can understand binary and decimal

• Humans work with numbers in denary form

• Humans can understand binary