Data Rep Quiz

Convert 1001 into decimal?

• 8

• 11

• 12

• 9

What is colour/bit depth of the image?

• 1

• 2

• 3

• 4

Left Binary Shifts

• Multiply

• Divide

Moving one place left will

• Multiply numbers by 4

• Divide numbers by 4

• Multiply numbers by 2

• Divide numbers by 2

Convert the Hex number DA to binary.

• 11001010
• 11011011
• 11011010
• 11011110

Convert the binary number 01010101 to Hex

• 44
• 55
• 66
• 77

Add binary numbers shown?

• 01111011
• 01101111
• 01111101
• 01101101

True or False: The binary number for a capital 'A' is the same as the binary number for a lower-case 'a'?

• True
• False

The word "Hello" is made up of 5 characters. How many bits is this (hint: how many 1's and 0's are needed to write it)

• 40

• 60

• 80

• 48

A bitmap image is made up of

• Pixels
• Colours
• Sounds
• Samples
• Characters