The executive and ceremonial powers are exercised by the head of state in a

The system of government where the head of state exercises both executive and ceremonial powers is known as a presidential system. In this system, the head of state is usually elected by the people and is separate from the head of government, who holds the actual executive power. The head of state acts as a symbol of the nation, represents the country in international affairs, and performs ceremonial duties. Examples of countries with presidential systems include the United States, France, and Nigeria.