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
Early Cell Phone Batteries Did not Last Long. Believe it or not, the technology that powers our cell phones is based on the old two-way radios of the 1940s that were used in taxis and police cars. The very first primitive cell phone was used in 1946 by the Swedish police department.