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.
dr martin cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in new york city new york in april 1973 a related invention is the cave radio phone invented by nathan stubblefield who was awarded a patent for the idea in the early 20 th century 1908
However, the history of mobile phones goes back to 1908 when a US Patent was issued in Kentucky for a wireless telephone. Mobile phones were invented as early as the 1940s when engineers working at AT&T developed cells for mobile phone base stations. The very first mobile phones were not really mobile phones at all. They were two-way radios that allowed people like taxi drivers and the emergency services to communicate.