Explain the need for NOR gate. ?

Explain the need for NOR gate. ?
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1 Answer

Answer :

Basic gates i.e. AND, OR and NOT gates can be implemented with NOR gate. This is why the NOR gate is called the universal gate.
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Related questions

Explain why NOR Gate is called Universal Gate ?

Description : Explain why NOR Gate is called Universal Gate ?

Last Answer : The gate through which the basic gates can be implemented is called universal gate. With the NOR gate , the basic gates AND, OR, and NOT can be implemented. This is why the NOR gate is called the universal gate.

What are the features of Nor Gate ?

Description : What are the features of Nor Gate ?

Last Answer : Nor Gate is a combination of Or Gate and Knot Gate. The Nor Gate is a composite gate. Nor Gate accepts more than one input and provides only one output.

Why NAND Gate is called Public Gate ?

Description : Why NAND Gate is called Public Gate ?

Last Answer : The gate through which the basic gates can be implemented is called universal gate. AND, OR and NOT gates can be implemented with NAND gate . That is why NAND gate is called universal gate.

What is Universal Logic Gate ?

Description : What is Universal Logic Gate ?

Last Answer : AND, OR and NOT These three gates are called basic gates. Again, it is possible to make any logic circuit by combining these three gates. However, it is possible to create any circuit only with NAND ... gates only with NOR Gate . Hence NAND and NOR Gate are known as Universal Gate or Universal Gate.

Which gate does A + B support ?

Description : Which gate does A + B support ?

Last Answer : A + B supports OR gate. An OR gate is a logic gate that has two or more inputs and only one output is obtained by logical means . Output is 0 if all inputs are 0 at OR gate and output is 1 if any one input is 1 . The OR gate represents logical yag.

What is a logic gate ?

Description : What is a logic gate ?

Last Answer : Logic Gate When a number or sum can be governed by a specific rule , that rule is called logic. And all circuits that are designed based on these logical principles that have one or more inputs ... relay machine. In modern IC (integrated circuit) technology all kinds of digital gates are made as IC.

How to get the effectiveness of NAND gate ?

Description : How to get the effectiveness of NAND gate ?

Last Answer : If the signal emitted from the end gate flows through the knot gate, the nand gate is found to be effective.

What is Knot Gate ?

Description : What is Knot Gate ?

Last Answer : The electronic circuit that is used to perform complement in digital electronics is called knot gate.

What is Or Gate ?

Description : What is Or Gate ?

Last Answer : The electronic circuit that is used to perform boolean or logical addition is called or gate.

Which gate is used to compare the position of two bits ?

Description : Which gate is used to compare the position of two bits ?

Last Answer : answer : X_OR gate . _

What is a public gate ?

Description : What is a public gate ?

Last Answer : : Gates with which all other types of gates including basic gates can be created or implemented are called universal gates.

List & explain the timer instruction of PLC. Draw the ladder diagram to verify (i) OR gate& (ii) NOR gate logic

Description : List & explain the timer instruction of PLC. Draw the ladder diagram to verify (i) OR gate& (ii) NOR gate logic 

Last Answer : Depending on the time delay and operation, there are two types of timers  * PLC timer- (i) ON delay timer  (ii) OFF delay timer Description (i) ON delay timer 1) This instruction counts time interval when ... a) OR gate ladder diagram y = A + B b)NOR gate ladder diagram

In a logic circuit the NOR and NAND gate functions ____________. A. must be accomplished with a common base transistor arrangement B. are available in diode form C. are exact opposites with the same NOR and NAND inputs D. have output conditions that are exact opposites to the output condition for OR and AND, respectively

Description : In a logic circuit the NOR and NAND gate functions ____________. A. must be accomplished with a common base transistor arrangement B. are available in diode form C. are exact opposites with the ... . have output conditions that are exact opposites to the output condition for OR and AND, respectively

Last Answer : Answer: D

Which of the listed logic gates is considered to be a BASIC building block (basic logic gate) used in logic diagrams? A. NAND B. OR C. NOR D. All of the above.

Description : Which of the listed logic gates is considered to be a BASIC building block (basic logic gate) used in logic diagrams? A. NAND B. OR C. NOR D. All of the above.

Last Answer : Answer: B

. What will be the output of an X-NOR gate when both inputs are LOW?

Description : . What will be the output of an X-NOR gate when both inputs are LOW?

Last Answer : HIGH.

In what state must the inputs to a NOR gate be in order to produce a logic 1 output?

Description : In what state must the inputs to a NOR gate be in order to produce a logic 1 output?

Last Answer : All inputs must be low.

What is the output Boolean expression for a NOR gate with R and T as inputs?

Description : What is the output Boolean expression for a NOR gate with R and T as inputs?

Last Answer : (R +T)’

What will be the output of a NOR gate when both inputs are HIGH?

Description : What will be the output of a NOR gate when both inputs are HIGH?

Last Answer : Low.

The NOR gate output will be low if the two inputs are (A) 00 (B) 01 (C) 10 (D) 11

Description : The NOR gate output will be low if the two inputs are (A) 00 (B) 01 (C) 10 (D) 11

Last Answer : A

DeMorgan’s first theorem shows the equivalence of (A) OR gate and Exclusive OR gate. (B) NOR gate and Bubbled AND gate. (C) NOR gate and NAND gate. (D) NAND gate and NOT gate

Description : DeMorgan’s first theorem shows the equivalence of (A) OR gate and Exclusive OR gate. (B) NOR gate and Bubbled AND gate. (C) NOR gate and NAND gate. (D) NAND gate and NOT gate

Last Answer : (B) NOR gate and Bubbled AND gate.

The gates required to build a half adder are (A) EX-OR gate and NOR gate (B) EX-OR gate and OR gate (C) EX-OR gate and AND gate (D) Four NAND gates.

Description : The gates required to build a half adder are (A) EX-OR gate and NOR gate (B) EX-OR gate and OR gate (C) EX-OR gate and AND gate (D) Four NAND gates.

Last Answer : (C) EX-OR gate and AND gate

The output of a logic gate is 1 when all its inputs are at logic 0. the gate is either (A) a NAND or an EX-OR (B) an OR or an EX-NOR (C) an AND or an EX-OR (D) a NOR or an EX-NOR

Description : The output of a logic gate is 1 when all its inputs are at logic 0. the gate is either (A) a NAND or an EX-OR (B) an OR or an EX-NOR (C) an AND or an EX-OR (D) a NOR or an EX-NOR

Last Answer : (D) a NOR or an EX-NOR

Why NAND and NOR gate are called as universal gate? Draw AND gate using NAND gate only.

Description : Why NAND and NOR gate are called as universal gate? Draw AND gate using NAND gate only. 

Last Answer : Universal gate - All basic gates functionality can be implemented using NAND and NOR gate hence these gates are called as universal gates.  AND gate using NAND gate

Sketch symbol of NAND gate and NOR gate.

Description : Sketch symbol of NAND gate and NOR gate.

Last Answer : Symbol of NAND gate and NOR gate

Draw the symbol, logic expression and truth table of NOR gate.

Description : Draw the symbol, logic expression and truth table of NOR gate.

Last Answer : symbol, logic expression and truth table of NOR gate

A NOR gate is equivalent to a bubbled AND gate. This statement is an outcome of:

Description : A NOR gate is equivalent to a bubbled AND gate. This statement is an outcome of: (1) De Morgan’s Law (2) Involution Law (3) Law of Absorption (4) Idempotent Law

Last Answer : A NOR gate is equivalent to a bubbled AND gate. This statement is an outcome of: De Morgan’s Law 

The output of an exclusive–NOR gate is 1. Which input combination is correct?

Description : The output of an exclusive–NOR gate is 1. Which input combination is correct? (1) A = 1, B = 0 (2) A = 0, B = 1 (3) A = 0, B = 0 (4) None of these 

Last Answer : The output of an exclusive–NOR gate is 1. Which input combination is correct? (1) A = 1, B = 0 (2) A = 0, B = 1 (3) A = 0, B = 0 (4) None of these 

How many minimum number of NOR gates are required to realize a two-input X-OR gate?

Description : How many minimum number of NOR gates are required to realize a two-input X-OR gate?

Last Answer : 5

In a NOR gate all inputs must be - - - to get high output

Last Answer :  In a NOR gate all inputs must be Low to get high output

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