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An introduction to computers and computer systems
An introduction to computers and computer systems

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A machine that manipulates data following a list of instructions that have been programmed into it.
Computer program
The list of instructions the computer follows to process input and produce output.
Input device
A component that can function both as an input and as an output device.
A global network of connected networks.
Output device
Components that present data from a processor.
Smart devices
Devices that can communicate directly with other devices.
World Wide Web
A global collection of resources accessible over the internet.