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How do you know if two circuits are logically equivalent?
We say that two logic circuits are equivalent if they have equivalent boolean formulas. We can check equivalence of two logic circuits by finding their boolean formulas and showing that these formulas are equivalent. This is often more efficient than checking the 2n possible input values, where there are n inputs.
When both inputs are same the output is 1 for?
(In the symbol, the input terminals are at left and the output terminal is at right.) The output is “true” when both inputs are “true.” Otherwise, the output is “false.” In other words, the output is 1 only when both inputs one AND two are 1….Basic logic gates.
| Input 1 | Input 2 | Output |
|---|---|---|
| 1 | 1 | 1 |
Which logic circuit gives high output when the inputs are same?
Exclusive-NOR Gate
The Exclusive-NOR Gate As indicated by the truth table, the purpose of an Exclusive-NOR gate is to output a “high” (1) logic level whenever both inputs are at the same logic levels (either 00 or 11). REVIEW: Rule for an AND gate: output is “high” only if first input and second input are both “high.”
What is a compare for equality circuit?
An equality comparator is a hardware electronic circuit made from logic gates that takes two binary numbers as input determines whether these are equal or not.
When two variables is logically compared the logic gate that tests the equivalence is?
1 Answer. You see that it returns 1 if either both inputs are 1 or both inputs are 0 , or in different words, when the inputs are of the same value. This can be described as checking for equivalence.
How do you know if something is logically equivalent?
Logical equivalence occurs when two statements have the same truth value. This means that one statement can be true in its own context, and the second statement can also be true in its own context, they just both have to have the same meaning.
When both inputs are 0 OR 1 than only the output is 1 in other cases the output is zero what type of gate it is?
NOR gate
a The NOR gate. When either input is a logic 1, the output will be 0. The only combination of inputs that results in an output of 1 is A = 0 and B = 0.
When both inputs are 0 OR 1 than only the output is 1 in other cases the output is zero what type of gate it is XOR Xnor OR nor?
When both inputs are equal, either are 1 or both are 0, the output will be logical 0. This is the reason an XOR gate is also called an anti-coincidence gate or inequality detector. This gate is called XOR or exclusive OR gate because its output is only 1 when its input is exclusively 1.
Which logic function has the output low only when both inputs are high?
NAND gate
A NAND gate output is LOW only if all the inputs are HIGH.
Which gate has output 1 if both the inputs are same?
Combinational circuits are built of five basic logic gates: AND gate – output is 1 if BOTH inputs are 1. OR gate – output is 1 if AT LEAST one input is 1. XOR gate – output is 1 if ONLY one input is 1.
What is a demultiplexer circuit?
A demultiplexer (also known as a demux or data distributor) is defined as a circuit that can distribute or deliver multiple outputs from a single input. A demultiplexer can perform as a single input with many output switches.
What is the function of a compare for equity circuit?
What is the function of a compare-for-equality circuit? A compare-for-equality circuit tests two unsigned binary numbers for exact equality.