Question
1. The sign bit is also known as the MSb (most significant bit). In a four-bit subtraction, it is bit 3. Consider the following subtraction
1. The sign bit is also known as the MSb (most significant bit). In a four-bit subtraction, it is bit 3.
Consider the following subtraction 0101-1010. What is the overall borrow of the subtraction? In a 4-bit subtraction, the overall borrow is the borrow from bit 4 (not bit 3!).
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2.The sign bit is also known as the MSb (most significant bit). In a four-bit subtraction, it is bit 3.
Consider the following subtraction 1110-0100. First, figure out the sign bit of the difference. Then figure out the overflow bit value. Overflow is defined as follows: O = ! m s s s d s + m s ! s s ! d s. In this equation, m s is the sign bit of the minuend, s s is the sign bit of the subtrahend, and d s is the sign bit of the difference.
If you need a refresher of the terms, here is one that explains what is a minuend, a subtrahend and a difference (Links to an external site.).
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3.The sign bit is also known as the MSb (most significant bit). In a four-bit subtraction, it is bit 3.
Consider the following subtraction 1011-1001. What is the sign bit of the difference?
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4.The sign bit is also known as the MSb (most significant bit). In a four-bit subtraction, it is bit 3.
Consider the following subtraction 1010-0010. What is the overall borrow of the subtraction? In a 4-bit subtraction, the overall borrow is the borrow from bit 4 (not bit 3!).
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