Question

1. find the sum in binary system?
1. 111(two)+1001(two)​

Answer 1

Answer:

Unit 1 Section 2 : Adding and Subtracting Binary Numbers

It is possible to add and subtract binary numbers in a similar way to base 10 numbers.

For example, 1 + 1 + 1 = 3 in base 10 becomes 1 + 1 + 1 = 11 in binary.

In the same way, 3 – 1 = 2 in base 10 becomes 11 – 1 = 10 in binary.

When you add and subtract binary numbers you will need to be careful when 'carrying' or 'borrowing' as these will take place more often.

Key Addition Results for Binary Numbers

1 + 0 = 1

1 + 1 = 10

1 + 1 + 1 = 11

Key Subtraction Results for Binary Numbers

1 – 0 = 1

10 – 1 = 1

11 – 1 = 10