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.
The recruitment and selection (also recruitment and staffing) belongs to value added HR Processes. The recruitment is about the ability of the organization to source new employees, keep the organization operating and improving the quality of the human capital employed in the company.