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7 Cards in this Set
- Front
- Back
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Formula for largest positive number in n-bit two's complement |
(2(power n) /2) -1 Example: 16-bit (2(power 16) /2) - 1 (65,536 /2) - 1 32,768 - 1 32,767 |
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Formula for smallest negative number in n-bit two's complement |
(2(power n) /2) * -1 Example: 16-bit(2(power 16) /2) * -1 (65,536 /2) * -1 32,768 * -1 -32,768 |
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Unsigned number can only be... |
Positive |
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Signed number can be... |
positive or negative |
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In signed binary, the first number indicates... |
Whether it is positive or negative |
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In signed binary, the first number is.... |
not included in the total, but is a sign of + or - |
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To convert from n-bit two's complement to decimal... |
Find -x = Flipped x + 1 Example: 110100 6-bit flipped = 001011 plus 1 = 001100 then find places and calculate -x = 12(base 10) x = -12(base 10) |
