Data Rep revision quiz

What is the binary equivalent of the decimal number 87?

• 1010111

• 1101011

• 1000011

• 1011100

Which of the following is the largest storage unit?

• Kilobytes

• Gigabytes

• Terabytes

• Megabytes

What does the binary addition 1 + 1 equal to?

• 10

• 2

• 11

• 1

Why might computers use binary numbers?

• It's easier to calculate

• Uses less energy

• Only two states to represent

• More accurate

Why is it important to understand units of storage for digital devices?

• To play games better

• To organize and manage digital data

• To paint digital pictures

• To read books online

What can knowing about units of storage help you do when buying digital devices?

• Make informed decisions

• Get discounts

• Choose the color of the device

• Increase internet speed

How many bits are there in a Byte?

• 8 bits

• 10 bits

• 100 bits

• 1000 bits

What can you store with 1 Kilobyte (KB)?

• A page of text

• A music album

• A short movie

• Hours of video

How many bytes make up 1 Megabyte (MB)?

• 100 bytes

• 1000 bytes

• 10000 bytes

• 1000 kilobytes

What is the storage capacity of a Gigabyte (GB)?

• A single music track

• A short movie

• A page of text

• Hours of video