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What is the difference between peripheral input and output?

Input Devices: Devices that allow introduce external data into the computer for further processing by the CPU. This data can come from various sources, the main human. The most common input devices are: keyboard, microphone, scanner, mouse or mouse ...

Output peripherals: S on devices that display or project information to the outside computer. Most are to inform, alert, report, plan or give the user some information, in the same way are responsible for converting the electrical impulses in human-readable information. However, not all of these peripherals is user information . getting the information that is processed by the CPU and reproduce. Some examples are: Monitor, printer, speakers, headphones, fax ...

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What is hardware? What is software?

THE HARDWARE: It's the computer's physical components, ie everything that can see and touch. The hardware can be classified into two types:
- The found inside the tower or CPU , and therefore can not see with the naked eye. An example might be the sound card or RAM

- The found around the tower or CPU , and therefore, if we see with the naked eye, and we call peripheral. An example might be a mouse or printer.

SOFTWARE: Are the instructions the computer needs to run, do not physically exist, or what is the same, you can not see or touch. We also have two types:
- Operating Systems: Their mission is the computer manage its resources efficiently, as well to allow communication with the user.

- Applications: These are computer programs that attempt to solve specific user needs, such as: writing, drawing, music ...