Human Resource Management Systems (HRMS) encompass various software tools designed to streamline HR tasks, making them less complex and time-consuming. Key components of HRMS include application, employee, organizational, benefits, payroll, compensation, performance, and timesheet management, all aimed at improving efficiency and decision-making. Benefits of using HRMS include reduced operational costs, minimized manual paperwork, and enhanced employee engagement through features like centralized systems and real-time analytics.