# 04 - Decimal to Binary

1. Converting a Decimal number into Binary just requires simple mathematics. You need to find the corresponding numbers that would add up to the Decimal number. Look at the following example. Is it True(Correct) or False?

FALSE

TRUE

2. Look at the question below and select the correct answer (a binary number) from the given options.

3. What is 8 (decimal number) in Binary, represented in 4 bits.

4. Represent the number 6 in Binary (in four bits)

5. Represent the number 0 (in Decimal) in Binary (in four bits)

Answer: This cannot be done

6. Represent the number 129 in Binary

111111111

1

10000001

100000111

7. Represent the number 33 in Binary using eight bits
128     64    32   16   8   4    2    1
=========================
?       ?       ?      ?     ?   ?     ?    ?

8. How would you represent the number 2 billion in binary using eight bits?

The answer would be: 11110000

02billion

The answer would be 11111111

It cannot be done in just eight bits

9. Convert 133 (Decimal) into a Binary number.

10000101

11111001

11121221

10001110

10. How would you represent 1 (Decimal) in Binary in just 1 bit?

1 in Binary using just 1 bit would be 0

1 in Binary using just 1 bit would be A

1 in Binary using just 1 bit would just be 1

This cannot be done