a7 1-2-Binary & Decimal Numbers - GCSE Quiz

What is the number 27 in binary? Select two answers that are correct.

• 11010
• 11011
• 01111
• 10011011
• 00011011

What is the number 82 in binary? Use the table below to help you answer the question.

• 00110010
• 10110010
• 01010011
• 01010010

What is the number 235 in binary? Use the table below to help you answer the question.

• 01101011
• 11101011
• 11101001
• 10001011

Convert the following decimal number into binary... 101 Please write your answers in 8-bit binary.

Convert the following decimal number into binary... 192 Please write your answers in 8-bit binary.

True or False 00001011 & 1011 are the same number.

• True
• False

What is the number 00001001 in binary?

• 5
• 9
• 17
• 18

What is the number 01001001 in decimal? Use the table below to help you answer.

What is the number 11100100 in decimal? Use the table below to help you answer

Convert the following binary number into decimal. 00011111