A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.
Recruitment (hiring) is a core function of human resource management. It is the first step of appointment. Recruitment refers to the overall process of attracting, shortlisting, selecting and appointing suitable candidates for jobs (either permanent or temporary) within an organization.
Recruitment methods are the different ways in which a potential employee is attracted to an organization. There are various ways organizations can recruit candidates externally. They can communicate their employment opportunities through media, such as newspapers, radio, television, and the Internet.