NATS 1700 Lecture Notes - Lecture 11: Computer Hardware, Ios, Software
14 Sep 2013
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Document Summary
The majority of computer and communication devices operate by following instructions listed in the so-called program and stored in the device"s memory. Without programs, computers and other computing and information devices would be as useless. Computer hardware: computers, their components and peripherals. System software: any computer software, which manages and controls computer hardware so that application software can perform a task. Application software: is any program, which is not system software. This is a large class, which includes all the apps . Main challenge faced by the designers of these complicated machines was how to provide an automaton with instructions that it would follow. In old times (18th & 19th century), people would play music to birds in order to teach them new songs. This formed bird organs mechanical devices capable of reproducing birds" songs. Bird organ, a popular novelty of the 18th and 19th centuries, was a mechanical bird, which made every movement a real bird does.
