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What is the combination of NOR gate?
NOR gate is actually a combination of two logic gates: OR gate followed by NOT gate. So its output is complement of the output of an OR gate. This gate can have minimum two inputs, output is always one.
How is NOR gate formed?
Transistor NOR Gate A simple 2-input logic NOR gate can be constructed using RTL Resistor-transistor switches connected together as shown below with the inputs connected directly to the transistor bases. Both transistors must be cut-off “OFF” for an output at Q.
How many NOR gates make an AND gate?
three NOR gates
AND: You need three NOR gates to create an AND gate. The first two are configured as NOT gates, so they invert the inputs. Then the third NOR gate produces a HIGH output if both of the original inputs are HIGH. NAND: It takes four NOR gates to create a NAND gate.
How many NOR gates are required to design a NOT gate?
For input it is important to have 2 NOR gates. These should be single inputs for input. For Output: For input it is important to have 1 NOR gates.
Where is NOR gate used?
NOR gate is the logic gate and is one of the universal gates . NOR gate is used to construct the basic gates similar to AND gate. By combining NOT gate and OR gate, NOR gate can be constructed. The output of NOR gate is reversal of OR gate.
What are the applications of NOR gate?
Key applications
- Cell phone.
- Computing.
- STB.
- LCD TV.
- Industrial controllers.
What is the function of NOR gate?
The NOR gate is a digital logic gate that implements logical NOR – it behaves according to the truth table to the right. 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.
How many minimum NOR gates are required to obtain an OR gate using NOR gates only?
What is the minimum number of gates required to implement the Boolean function (AB+C)if we have to use only 2-input NOR gates? So, ‘3’ 2-input NOR gates are required.
How many NAND gates are required to construct or gate?
Hence 2 NAND gives one AND operation. How many NAND gates are required to realise (i) OR gates and (ii) AND gate.
How many 2 input NOR gates required to construct a 2 input AND gate?
Similarly, the number of 2-input NOR gates required to implement a 2-input XNOR gate is 4.
How many NAND gates are required to construct OR gate?
Why NOR and NAND gate is universal?
The NAND & NOR gates are called universal gates because they perform all the logical operations of basis gates like AND, OR, NOT. Answer: NOR AS AND An AND gate gives a 1 output when both inputs are 1; a NOR gate gives a 1 output only when both inputs are 0.