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I can't understand the real thing.

2007-03-17 16:10:41 · 3 answers · asked by monkeymanx8 1 in Education & Reference Homework Help

I'ts need to understand exclusive disjunction.

2007-03-17 16:35:29 · update #1

3 answers

It means xclusively or gate and its truth table is a
A B C
0 0 0
0 1 1
1 0 1
1 1 0
basically all you need to understand XOR is the truth table.
So if A and B are= to 0 then C must be 0 and so forth. If you don't know what the schematic for the XOR is you should look it up, and try out some problems.

hope this helps

2007-03-17 16:33:43 · answer #1 · answered by THE IRV 2 · 0 0

XOR="Exclusive Or".

A XOR B is true if and only if exactly one between A and B is true and is false otherwise.

Another operative definition is the following. If 1=true and 0=false, then A XOR B=A+B-2*A*B.

In programming, A XOR B is like (A OR B) AND (NOT (A AND B)).

2007-03-18 00:13:20 · answer #2 · answered by Giulio P 3 · 0 0

It stands for "exclusive OR." It means that either one of two things is true, but not both. For example, the statement, "A XOR B is true" means that either A is true or B is true, but only one of them is true, not both of them.

Put another way, "A XOR B" means "A or B, but not both."

The link below explains this in some other ways, and also gives some other meanings of XOR.

2007-03-17 16:22:54 · answer #3 · answered by yahoohoo 6 · 0 0

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