Year 9 - Data Rep Assessment

What does BIT stand for?

How many unique values can you have from 4 bits?

Drag each label to the correct reference on the image.

a

b

c

d

binary

bit

nibble

byte

Order the following file sizes from smallest to largest:

• 2000 Bits

• 600 Nibbles

• 0.5 Gigabytes

• 3000 Kilobytes

• 2 Megabyte

Order the following file sizes from smallest to largest:

• Byte

• Megabyte

• Terabyte

• Gigabyte

• Kilobyte

Why do computer process data in binary form?

• Because it is easier for human beings to understand

• Because computers contain circuits with switches which have two states (on and off)

• Because computers contain circuits with switches which have 10 states

• Because data in decimal form is processed more slowly

What are the only two digits you can use in binary?

Convert the decimal number 47 to binary.

Use the paper handed to you for working.

Convert the binary number 10110101 to decimal.

Use the paper handed to you for working.

Add the following binary numbers:
10110 + 11011
Use the paper handed to you for working.