The timing diagram for a two-input NAND gate is shown below. The gate is working correctly.

More Questions from Describing Logic Circuits

• A NAND gate consists of an AND gate and an OR gate connected in series with each other.
• The NAND gate is an example of combinational logic.
• The symbol shown below is an AND gate.
• In Boolean algebra, 1 · 0 = 0.
• VHDL is not a new language.
• A two-input NAND gate has inputs of 1 and 0; the output is 0.
• The output of a NAND gate is the inverse of the output for an AND gate for all possible input combinations.
• The commutative law of Boolean addition states that A + B = A · B.
• Boolean algebra was first applied to the analysis of digital circuits by Claude Shannon at Stanford University.
• Output logic levels for certain input conditions of a logic circuit may often be determined without using the Boolean expression.

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