The End of Unit 2

State the number bases for the following types of number: Binary, Decimal, Hexadecimal.

• Binary: 2, Decimal: 10, Hexadecimal: 16

• Binary: 10, Decimal: 2, Hexadecimal: 8

• Binary: 16, Decimal: 10, Hexadecimal: 2

• Binary: 8, Decimal: 16, Hexadecimal: 10

Convert 11110₂ into decimal.

• 30

• 28

• 31

• 29

Convert 11111100₂ into hexadecimal.

• FC

• F3

• FA

• F8

Convert A2₁₆ into binary.

• 10100010

• 11010010

• 10101010

• 11100010

Convert 255₁₀ into binary.

• 11111111

• 11111110

• 11111011

• 11111101

Convert 48₁₀ into hexadecimal.

• 30

• 2F

• 3A

• 2C

Perform the binary addition for 101010 + 11011.

• 1001101

• 01000101

• 110101

• 101101

Perform the binary addition for 00001010 + 00001111.

(a)  

Perform the binary addition for 00000111 + 00000011 + 10000.

(a)  

Perform the binary subtraction for 1101 - 1011.

(a)