Decimal to binary number

1. Decimal to Binary Number
Conversion
MS. Douglas, Bsc

2. Revision
Binary numbers only have 2 digits and are
written in base 2
Example; 110
2
Decimal numbers have 10 digits and are
written in base 10
Example 110
10
MSB and LSB
10110
LSB MSB

3. Decimal to Binary Conversion
Method: Repeated division by 2 to convert
numbers from decimal to binary.
Convert decimal number 13
10
to a binary
number:
13/ 2 = 6 Reminder 1
6/ 2 = 3 Reminder 0
3/2 = 1 Reminder 1
1/ 2 = 0 Reminder 1
1101
2
13
10 is equal to 1101
2
MSB
LSB

4. Convert decimal number 20
10 to a
binary number.
Decimal to Binary Conversion

5. Convert decimal number 25
10
to a
binary number.
Decimal to Binary Conversion

6. Binary Arithmetic Operations
Binary numbers can be
Added
Subtracted
Multiplied
Divided
To carry out any of the binary arithmetic
operations the rules must be followed

7. The Rules
Addition rules
Subtraction rules
Multiplication rules
Division rules

8. Home Work
Convert the following decimal numbers to
binary numbers.
l35
10
l29
10
l50
10
l10
10
l16
10