Data Representation V2

How many bits make a byte?

• 2

• 4

• 8

• 16

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

Which number system are these examples of?
1011      001011      10110101

• Binary
• Denary
• Hexadecimal

What is 1111 converted into denary?

• 15
• 16

If 1 and 0 mean on and off. Is the number 1 on or off?

• ON
• OFF

Which of these is the correct sequence for the place values for binary numbers?

• 1, 2, 4, 8, 16, 32, 64, 128
• 1, 2, 4, 6, 8, 10, 12, 14, 16
• 1, 2, 3, 4, 5, 6, 7, 8
• 0, 1

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

Convert 37 to binary

• 00100101
• 00100011
• 00100111
• 01000101

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

What is a binary number?

• Two people walking in pairs

• A pair of numbers in a table

• A number system that only uses two digits: 1 and 0.

• Two canaries