2. A Computer Is a System Data is entered into the computer Becomes useful information The data is processed by adding, subtracting, and sorting Input Processing Output
3. Example Data for student registration A schedule for the student is created. Registration requests are checked against the lists (database), and if room is available, the student is added to the class list Input Processing Output
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10. Microprocessors + RAM Microprocessor (CPU) Adds, subtracts, sorts, etc. Storage (RAM) All data and instructions must be loaded into RAM to be used by the microprocessor Data & instructions move back and forth Hard Drive: used for virtual RAM, and to store files for later use.
