The document introduces human resource information systems (HRIS) and their applications. It defines HRIS as computer-based systems that process HR management data. HRIS help track employee details efficiently, make necessary information available to relevant parties, and ensure data security and confidentiality. They can create and maintain employee records, ensure legal compliance, assist managers with relevant data, and support functions like recruitment, payroll, training, and benefits. The document also outlines different types of HRIS systems and example application software.