# Lesson : Binary Number Exercises

Exercise 1:

In this exercise, we want to convert a number from the decimal system to the binary numeral system. You can use the repeated division by 2 or the sum of weights to convert the decimal number. Convert the decimal number (197) to the binary numeral system.

$Binary\ number\ of\ 197_{10}$:

Exercise 2:

In this exercise, we want to convert a number from the decimal system to the binary numeral system. You can use the repeated division by 2 or the sum of weights to convert the decimal number. Convert the decimal number (95) to the binary numeral system.

$Binary\ number\ of\ 95_{10}$:

Exercise 3:

In this exercise, we want to convert a binary number to the decimal numeral system. You will need to use the sum of weights to convert the number. Convert the binary number (100101) to the decimal numeral system.

$Decimal\ number\ of\ 100101_{2}$:

Exercise 4:

In this exercise, we want to convert a binary number to the decimal numeral system. You will need to use the sum of weights to convert the number. Convert the binary number (11110011) to the decimal numeral system.

$Decimal\ number\ of\ 11110011_{2}$:

You now have completed the Chapter 4 of Learn Electronics.