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.
A general recruitment process is as follows: 1  Identifying the vacancy: Identifying the vacancy:The recruitment process begins with the human resource department receiving requisitions for recruitment from any department of the company.2  These contain:now the Sources of Employees Recruitment. The recruitment process is immediately followed by the selection process i.e. the final interviews and the decision making, conveying the decision and the appointment formalities.