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Hexadecimal Addition of (3A5)16 and (1B2)16 will give :(a) 557(b) 185(c) 815(d) 516I got this question in semester exam.I'd like to ask this question from The Hexadecimal Number System topic in portion Number Systems of Computer Fundamentals

Answer»

The correct CHOICE is (a) 557

Easy explanation: Octal subtraction is done as follows:

3A5

+1B2

________

557

In hexadecimal ADDITION of alphabets, we add the corresponding NUMBERS they represent and then subtract the result from 16, then generate a carry of 1 to the next set of numbers.

Here, 5+2=7

A+B=10+11=21-16=5

3+1+1(carry)=5.



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