What is the rule of this logic gate?
Rule for an OR gate: output is “high” if input A or input B are “high.” Rule for a NAND gate: output is not “high” if both the first input and the second input are “high.” Rule for a NOR gate: output is not “high” if either the first input or the second input are “high.”
WHAT IS AND gate and its truth table?
The AND gate is a basic digital logic gate that implements logical conjunction (∧) from mathematical logic – it behaves according to the truth table above. A HIGH output (1) results only if all the inputs to the AND gate are HIGH (1). If none or not all inputs to the AND gate are HIGH, LOW output results.
How do you create a logic gate from truth table?
The following is a systematic procedure to design a logic circuit:
- Deduct the truth table from the human-readable specification.
- Transfer the truth table into a Karnaugh map in order to simplify the function (if possible).
- Deduct the circuit and draw the gate diagram (and the wired-circuit if required).
How do I memorize the gates of XOR?
XOR gate: “XOR” stands for ‘Exclusive OR’, which means that the output will be ‘True’ if ONLY ONE of the two inputs is ‘True’ and the other is ‘False’ but not when both are ‘True’. In real life, we generally use the word ‘either’ to talk about such situations.
WHAT IS AND gate example?
The logic AND Function For example, A & B = B & A. In Boolean algebra the Logic AND Function follows the Commutative Law which allows a change in position of either variable. Thus a 2-input (A B) AND Gate has an output term represented by the Boolean expression A. B or just AB.
What is logic gate and truth table?
The table used to represent the boolean expression of a logic gate function is commonly called a Truth Table. A logic gate truth table shows each possible input combination to the gate or circuit with the resultant output depending upon the combination of these input(s).
What are the 7 basic logic gates?
There are seven basic logic gates: AND, OR, XOR, NOT, NAND, NOR, and XNOR. The AND gate is so named because, if 0 is called “false” and 1 is called “true,” the gate acts in the same way as the logical “and” operator.
What is truth table of logic gates?
Logic gates and truth table : In digital electronics, logic gates are the certain type of physical devices basically used to express the Boolean functions. The truth table is a tabular representation of a logical expression. It shows the outputs generated from various combinations of input values.
What are the basic logic gates?
Logic gates are the basic building blocks of any digital system. It is an electronic circuit having one or more than one input and only one output. The relationship between the input and the output is based on a certain logic. Based on this, logic gates are named as AND gate, OR gate, NOT gate etc.
What are the most common logic gates?
Logic Gates. A logic gate is an electronic circuit/device which makes the logical decisions. To arrive at this decisions, the most common logic gates used are OR, AND, NOT, NAND, and NOR gates. The NAND and NOR gates are called universal gates.