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Option 2 : 10001101
Concept:
Signed number :
In n-bit signed number MSB bit represent sign and reaming ( n-1 ) bit represent magnitude
If MSB = 0 → positive number
If MSB = 1 → negative number
Range in signed number is
-( 2n-1 - 1 ) to + ( 2n-1 - 1 )
Analysis:
signed number can be written as
+13 = 00001101
-13 = 10001101
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