Year 5 - bits and bytes assessment - 25th to 29th sep

A computer is a device that represents data using the (a)   number system.

All (a)   on a keyboard are associated with an 8 - bit binary code.

Use the ASCII code table to list the 8 - bit binary code for the uppercase letter 'W' and the lowercase letter 'w'

• W - 0101 0111

  w - 0111 0111

• W - 1010 1010

  w- 0000 1111

• W - 1110 0101

  w- 0101 0101

Answer explanation

W - 0101 0111

w - 0111 0111

What is the smallest unit of digital data?

• kilobyte

• megabyte

• byte

• bit

How many bits are in a byte?

• 6

• 12

• 8

• 15

Which unit of storage is approximately 1,000 bytes

• kilobyte

• megabyte

• terabyte

• gigabyte

What comes after a megabyte in the units of storage hierarchy?

• gigabyte

• terabyte

• meagabyte

• byte

Which unit of storage is approximately 1,000 megabytes?

• Terabyte

• megabyte

• gigabyte

• byte

If you have a 2-terabyte (TB) hard drive, how many gigabytes (GB) is that equivalent to?

• 4000

• 2000

• 3000

• 1000

Which unit of storage would be suitable for storing a collection of your favorite songs?

• Kilobyte

• megabyte

• gigabyte

• byte