Combination Circuit: Output Dependency on Input Values

A combinational circuit is a type of digital circuit where the output at any given time depends solely on the input values present at that time. This means that the output does not depend on any previous states or clock pulses, only the input values.

Let's break down the possible answer options and understand why option 'C' (Input values) is the correct answer:

1. Voltage (Option 'A'): While voltage is an essential parameter in any electrical circuit, it is not the determining factor for the output in a combinational circuit. The voltage levels may vary, but as long as the correct input values are provided, the output will be as expected.

2. Intermediate values (Option 'B'): Intermediate values refer to the values that occur during the processing of a circuit. In a combinational circuit, these intermediate values may exist within the circuit during the computation process. However, they do not directly affect the final output. The output is solely dependent on the input values, not any intermediate values that may be present.

3. Input values (Option 'C'): The correct answer is 'C' because the output of a combinational circuit is determined entirely by the input values at that time. Each input value is used to determine the corresponding output value based on the logical operations implemented in the circuit. There is no memory or feedback in a combinational circuit, so the output is purely a function of the input values.

4. Clock pulses (Option 'D'): Clock pulses are typically associated with sequential circuits, where the output depends on both the input values and the current state of the circuit. In a combinational circuit, there is no concept of clock pulses, as the output is determined immediately based on the input values provided.

To summarize, in a combinational circuit, the output at any given time is solely dependent on the input values present at that time. The output does not depend on voltage levels, intermediate values, or clock pulses. The input values directly determine the output values through logical operations implemented within the circuit.