Which gate is defined as NOT OR and has two or more inputs?

Which gate is defined as NOT OR and has two or more inputs?

• A. NOR Logic Gate
• B. NAND Logic Gate
• C. OR Logic Gate
• D. AND Logic Gate

Answer: (A)

The main idea here is the NOT OR operation. A NOR gate is the negation of the OR function, so it outputs true only when none of the inputs are true. With two or more inputs, this means the output is high only if every input is 0; if any input is 1, the OR result would be 1, and the NOR output becomes 0. That’s why this gate is defined as NOT OR and compatible with two or more inputs. In contrast, an OR gate would output 1 if any input is 1, an AND gate would output 1 only if all inputs are 1, and a NAND gate is the negation of AND (outputs 1 unless all inputs are 1).

The main idea here is the NOT OR operation. A NOR gate is the negation of the OR function, so it outputs true only when none of the inputs are true. With two or more inputs, this means the output is high only if every input is 0; if any input is 1, the OR result would be 1, and the NOR output becomes 0. That’s why this gate is defined as NOT OR and compatible with two or more inputs.

In contrast, an OR gate would output 1 if any input is 1, an AND gate would output 1 only if all inputs are 1, and a NAND gate is the negation of AND (outputs 1 unless all inputs are 1).