Consider the following statements with respect to the combinational circuit:1. The output at any time depends only on the present combination of inputs.2. It does not employ storage elements.3. It performs an operation that can be specified logically by a set of Boolean functions.Which of the above statements are correct?

• A. 1 and 2 only
• B. 1 and 3 only
• C. 2 and 3 only
• D. 1, 2 and 3