Overview of a Computer System
Hardware, Software, and People


Some Basic Terms


Hardware


Data Processing


Primary Components of a Computer System


Common Input Devices


The Processor and Memory: Data Manipulation


Common Output Devices


Secondary Storage


The Complete Hardware System


Classifications of Computers


Mainframes and Supercomputers


Minicomputers


Personal Computers (PCs) and Workstations


Data Communications


Software


Application Software


Programming


Computer People