This document provides information about the presidential system of government. It defines the presidential system and notes that in this system, the head of government is also the head of state and leads the executive branch separately from the legislative branch. It outlines some key features of the presidential system, including direct election of the chief executive, a fixed tenure for the president, separation of the executive and legislative powers, and the president having independence to appoint ministers. The document also discusses some merits of the presidential system like stable government and appointment of talented individuals, as well as some demerits of the parliamentary system.