Logic Symbols. A NOR equivalent schematic contains NOR equivalent gates for every logic gate. These gates need alternate logic symbols. A standard logic symbol for a 2-input NOR gate and the equivalent OR gate followed by an INVERTER are shown in fig 1 . Logic gate exclusive NOR XNOR gate + Info: Logic gate that functions as an OR and a NOR : Equivalent to logic gate XNOR + Info: Logic buffer : Logic inverter NOT + Info: Logic buffer tri-state + Info : Negated logic buffer: Differential : Logic driver: Logic Gate Symbols, British System (BS 3939) The term NOR is a contraction of NOT-OR and implies an OR function with an inverted output. Below is NOR gate truth table. *Response times vary by subject and question complexity. To convert a Boolean circuit with AND, OR and NOT gates into NOR gates, we need to convert the logic function schematic into NOR equivalent schematic. OR and NOR Operation. What is a NOR gate/NOR logic? This definition explains what a logic gate is and explains the seven basic logic gates: AND, OR, XOR, NOT, NAND, NOR, and XNOR. NOR is the result of the negation of the OR operator. It shows that NOR gate outputs logic high value if both the inputs are at low logic level. Thus in digital circuits, it serves as a building block. In addition, learn about the composition of logic gates. The symbol is OR gate with small circle on … Here you will get the articles of Mechanical Engineering in brief with some key points and you will get to know an enormous amount of knowledge from It. Median response time is 34 minutes and may be longer for new subjects. But the NOR operation gives the output, opposite to OR operation. We can obtain NOR logic by just connecting a NOT gate to an OR gate. Let’s take a look at the symbol and the truth table. The outputs of all NOR gates are false if any of the inputs are true. A HIGH output (1) results if both the inputs to the gate are LOW (0); if one or both input is HIGH (1), a LOW output (0) results. The repeated use of the NAND gate can produce all other logic gates. The output of this gate is high, only when all input voltages are low. A NOR gate’s output is high only when both the inputs are low. It is represented by the symbol (∨). Are you looking for the Logic Gates?So today we will study the Complete details on Logic Gates-(NOT, OR, AND, NOR, NAND, X-OR, X-NOR GATE), PDF. Mathematical expression for NAND gate operation is given as Z =(X+Y) ̅.Where, bar “ ̅“represents the reverse operation. OR statement states that if any of the two input values are True, the output result is TRUE always. In all the other cases, its output is low. The NOR gate is a digital logic gate that implements logical NOR - it behaves according to the truth table to the right. NOR Gate Logic Symbol. Logic math symbols table. We will discuss these alternate NOR gates one by one. Logic signs and symbols. NOR Gate Truth table. Below figure shows the NOR gate logic symbol. OR-INVERT It means the statement which is True for OR, is False for NOR… NOR Logic Gate Symbol and Truth Table Figure:4 NOR gate logic symbol This is basically a NOT-OR gate which is equal to an OR gate followed by a NOT gate. The NAND and NOR gates are universal gates.