Question:

The following figure shows a logic gate circuit with two inputs A and B and the output C. The voltage waveform of A, B and C are as shown below:
logic gate circuit with two inputs A and B and the output C

The logic circuit gate is:

Updated On: Oct 21, 2023
  • AND gate
  • NAND gate
  • NOR gate
  • OR gate
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The Correct Option is A

Solution and Explanation

Based on the given voltage waveforms, the logic circuit gate is an AND gate. It produces an output C that is high (1) only when both inputs A and B are high (1).

So, the correct option is (A): AND gate

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Concepts Used:

Logic Gates

AND Gate

It is the gate, where a circuit performs an AND operation. It has n number of input where (n >= 2) and one output.

OR Gate

It is the gate, where a circuit performs an OR operation. It has n number of input where (n >= 2) and one output.

NOT Gate

An inverter is also called NOT Gate. It has one input and one output where the input is A and the output is Y.

NAND Gate

A NAND operation is also called a NOT-AND operation. It has n number of input where (n >= 2) and one output.

NOR Gate

A NOR operation is also called a NOT-OR operation. It has n number of input where (n >= 2) and one output.

XOR Gate

XOR or Ex-OR gate is a specific type of gate that can be used in the half adder, full adder, and subtractor. 

XNOR Gate

XNOR gate is a specific type of gate, which can be used in the half adder, full adder, and subtractor. The exclusive-NOR gate is flattened as an EX-NOR gate or sometimes as an X-NOR gate. It has n number of input (n >= 2) and one output.