Number Systems Quiz

What is 7 in binary?

• 101

• 111

• 100

• 110

What is 1001 in denary?

• 12

• 10

• 9

• 11

What is the result of 1001 + 110 in binary?

• 1001

• 1101

• 1010

• 1111

What is F in denary?

• 14

• 16

• 13

• 15

Why use hex?

• It takes up less space than binary

• It is easier to remember than binary

• It is quicker to write than binary

• All of the above

What problem will arise when adding the following bytes and storing the result in one byte? 11110000 + 10011111

• Runtime error

• Syntax error

• Overflow error

• Underflow error

Convert C in hexadecimal to denary

• 11

• 13

• 10

• 12

Convert 2B in hexadecimal to binary

• 00101100

• 00101011

• 00110011

• 00110100

What is the binary representation of 13 in denary?

• 1101

• 1011

• 1001

• 1110

Convert 3F in hexadecimal to binary

• 00111111

• 00110011

• 00110100

• 00101100