Computer - Term Overview

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The computer, also known generally as computer, is a complex machine that processes and executes orders of diverse nature to give like result an endless number of different tasks. Created many decades ago, this device is constantly evolving and is one of the most popular inventions in history, occupying a place in almost every home in the world.

Like the human body, the computer needs a material, tangible and visible part to function, but also ideas, functions and a "soul" that cannot be seen. Both are called hardware and software.

The hardware is the physical elements ( peripherals ) such as the keyboard, the mouse, the screen or monitor, the cables, platelets and all kinds of elements that make up the computer in a solid way. But inside, recorded in memory, we find the software, which are the programs, operating systems and installed functions that give it life and coordinate the material to function.

Parts of a computer

There are three basic elements without which we could not have a computer.

- First, the disk (s) that store the information. Here the operating system that makes the basics work will be saved from the factory, and where then we can install the programs and save all the files that are part of our own use of the device.
- Second, there must be units that resolve and analyze each of the orders that users issue, and those responsible for this are the processor and memory. The speed and response of a computer will be provided by these elements, which today can satisfy millions of calculations and executions in a few seconds.
- Finally, it's the peripheral elements that complete the most important functions of a computer. What we see through a screen, what we type on a keyboard, or what we print on a printer is what we ultimately do all the time, but they depend on the two previous groups of things. Over time we will surely be able to observe the evolution of these devices forever.

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