Which of the following represents the two's complement of the binary number 1101?
Question
Which of the following represents the two's complement of the binary number 1101
?
Solution
To find the two's complement of the binary number 1101, we can follow these steps:
1. Break Down the Problem
To calculate the two's complement, we need to:
- Invert the digits (change 0s to 1s and 1s to 0s).
- Add 1 to the inverted binary number.
2. Relevant Concepts
The two's complement is computed as follows:
- Inversion of bits: If the binary number is represented as , then the inversion yields .
- Adding 1 to the inverted number can be represented mathematically.
3. Analysis and Detail
Let's perform the operations step by step:
- Original Binary Number:
- Inversion:
- Change each digit: and .
- Resulting inverted number:
- Adding 1:
- Binary addition of and :
0010 + 0001 ------ 0011
- Binary addition of and :
4. Verify and Summarize
We inversed the original number correctly and added 1 to the inverted binary number resulting in . Therefore, the two's complement of is .
Final Answer
The two's complement of the binary number is .
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