haja
Answered On : Oct 13th, 2006
A->11000101
B->00110011
C->00111010
FIND (A-B)UC
ans:
-(minus) mean take AND operation
U(union) mean take OR operation
A-B->00000001
(A-B)U C->(A-B) OR operation with C
->00111010

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Seenivasan.S
Answered On : Feb 20th, 2007
I think minus means the complement of C and add with A and add one with the answer will be got and union means obviously OR..................
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Here A is negative number
Hence by removing sign bit A->1000101
Its 2's complement is 0111011
Hence A-C=0
Hence solution is B
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A-C is the substraction of two binary numbers
ie A is added to the complement of C
which gives
10001011.
the unoin operation if considered as the 'or' operation ie /
we have 10001011 / 00110011 then we have the answer as
10111011.
please let me know to deduce the correct ans if the above is wrong.

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The binary subraction of A and C is 10001011
and when we take the union it is obivously OR operation so the ans should be
10111011

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2's complement of C = 11000101+1=11000110 = D
Now, A-C = A+D = 10001011 = E
Now, E U B = 10111011
So, ((A-C) U B) = 10111011 (Ans.)

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GAIRY HARRY
Answered On : Mar 23rd, 2012
When comparing 5400 series logic to 7400 series logic.
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