Electrical Engineering (EE) Exam > Electrical Engineering (EE) Videos > Digital Electronics > Binary Subtraction
Binary Subtraction Video Lecture | Digital Electronics - Electrical Engineering (EE)
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FAQs on Binary Subtraction Video Lecture - Digital Electronics - Electrical Engineering (EE)
| 1. What is binary subtraction? |  |
Ans. Binary subtraction is a mathematical operation performed on two binary numbers. It involves subtracting the digits of one binary number from the corresponding digits of another binary number, similar to how subtraction is performed in the decimal system.
| 2. How do you perform binary subtraction? | |
Ans. To perform binary subtraction, start from the rightmost digits of the two binary numbers and subtract them. If the digit being subtracted is greater than or equal to the corresponding digit in the other number, simply subtract the two digits and write the result. If the digit being subtracted is smaller, borrow 1 from the next higher position.
| 3. What happens when you subtract 1 from 0 in binary? | |
Ans. When subtracting 1 from 0 in binary, a borrow is required from the next higher position. This means that the 0 becomes 2 (10 in binary) and the 1 being subtracted becomes 1 (01 in binary). The result is 1, and the borrow is carried to the next higher position.
| 4. Can you subtract a larger binary number from a smaller one? | |
Ans. Yes, you can subtract a larger binary number from a smaller one. However, since binary subtraction involves borrowing, it may result in negative numbers or an overflow in some cases. It is important to handle these situations carefully and understand the limitations of binary subtraction.
| 5. What is the result of subtracting 1010 from 1111 in binary? | |
Ans. To subtract 1010 from 1111 in binary, we start from the rightmost digits and subtract them.
1
- 0
-----
1
Since 0 is smaller than 1, we need to borrow from the next higher position.
11
- 10
-----
1
The result is 1. Therefore, subtracting 1010 from 1111 in binary gives us 1.
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Video Description: Binary Subtraction for Electrical Engineering (EE) 2025 is part of Digital Electronics preparation.
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