Combinational logic is a type of digital logic design where the output is determined solely by the current inputs, without any memory or feedback. This means that the output changes immediately in response to changes in the input values. Common examples of combinational logic circuits include adders, multiplexers, and decoders. In combinational logic, various logic gates such as AND, OR, and NOT are used to create complex functions. These circuits can be represented using truth tables, Boolean algebra, or logic diagrams, making it easier to analyze and design digital systems.