A job description's primary purpose is employee recruitment. The job description alerts potential employees to the job opening and the job's requirements. As a result, the job description meets the company's need to attract qualified employees as defined by the job summary and job functions specified in the description.
in 1947 bell labs made the first cell phone but it took dr cooper of motorola to make a cell phone in 1974 for the government the public use of cell phones began in 1984 your question has two answers the phone was invented in 1889 by bell
In 1946 USSR (Russia) successfully tested their version of a radio mobile phone mounted inside a car. The modern handheld cell phone era began in 1973 when Motorola invented the first cellular portable telephone to be commercialised, known as Motorola DynaTAC 8000X. On October 13, 1983, the pilot commercial cellular system of Illinois Bell begins operating in Chicago.