Computer Science KS4 - Unit 2 Data

In what form do computers store data and instructions?

Reorder the following from smallest to largest

• megabyte

• byte

• nibble

• kilobyte

• gigabyte

How many kibibytes in 1 mebibyte?

• 1000 KiB

• 1024 KiB

• 512 KiB

• 128 KiB

Calculate the denary value of the 8-bit number 11001011

Convert the denary number 87 to binary

Convert the binary number 11001100 to denary

Convert the binary number 00111000 to denary

Work out the following binary addition:

Work out the following binary addition

What occurs when the result of a binary calculation requires more bits?