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Chapter 2: The Computer

    Computers originally used vacuum tubes and were so large that they would take up an entire room. In 1971 the microprocessor was invented and this paved the way for personal computers. In the 1960's the ASCII was created to make moving information from one computer to the other easier. 

    An operating system is a software app that is loaded on a computer to make it launch and run all the other apps. Application software does specific tasks on a computer. A mobile app is similar to application software but is for a mobile device instead of a personal computer. The system memory or RAM stores the OS software. Computers need a human interface to be operated. Examples of human interface are a mouse and keyboard. 

    There are multiple different types of digital storage. These types include fixed storage, removable storage, an optical disc, flash memory, networked attached storage, and cloud content management. 

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