Binary Practice (A-Level)

Convert 43 into an 8-bit binary number

Convert the denary number 125 into an 8-bit binary number

Convert the denary number 67 into hexadecimal

Convert the binary number 10001111 into hexadecimal

Convert the hexadecimal number 35 into an 8-bit binary number

Which number system would likely be used to show the RGB code of a colour?

• Hexadecimal

• Denary

• Binary

Write -72 as an 8-bit binary number using sign and magnitude

Write -103 as an 8-bit binary number using two's compliment

Carry out the following calculation. Give your answer as an 8-bit binary number

00110101 + 10101111

Carry out the following calculation. Give your answer as an 8-bit binary number using two's compliment.

18 - 27