2017年2月9日 · The last NXOR gate needs to have an even amount of inputs high to output high. This is because a normal XOR gate only turns on if an odd amount of inputs are high. The top two pins can never be both on or off at the same time, because their inputs are connected respectively to the same inputs and are the same type of gate except one is inverted.

2015年12月19日 · It would make more sense to have the biconditional gate be the normal one and the XOR be the negated one. That way we could have IFF and NIFF gates. However, what I wonder is why we go with XNOR instead of NXOR since the latter is much easier to say (ex-nor vs. nexor) and more descriptive of the situation.

2021年7月4日 · Given the truth table for a 3-input XOR, how come the output is 1 when all inputs are 1? This doesn't logically extend from a 2-input XOR where output is 0 when all inputs are 1. Is there a way to

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2013年12月15日 · I've just started studying computer engineering, and I'm having some doubts regarding the behavior of the XOR gate. I've been projecting circuits with Logisim, whose XORs behave differently from w...

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2020年3月22日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2020年4月1日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2019年1月6日 · I know this question is old, but maybe this tip will help students in the future, as it has helped me. When we're looking to represent a logic expression in terms of only NAND or NOR gates, it's useful to use the POS (maxterm) and SOP (minterm) forms depending on which gate you want it in.

2011年12月19日 · Here you go. (I searched for 7486, which is a 4 x XOR IC.) The main logic element consists of two NPN-transistors whose collectors are connected together (the output) and via a resistor to Vcc.