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Computers are all around us. From laptop computers to smartphones to smartwatches,

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they're changing the way that we live our lives. But have you ever asked yourself,

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what exactly is a computer? A computer is an electronic device that manipulates information

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or data. The computer sees data as ones and zeros, but it knows how to combine them into

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much more complex things such as a photo movie website game and much more computers use a

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combination of hardware and software hardware is any physical part of the computer which includes

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the internal components and the external parts like the monitor and keyboard software is any

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set of instructions that tells the hardware what to do, such as a web browser, media player,

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or word processor.

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When most people say computer, they're talking about a personal computer.

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This can be a desktop computer or a laptop, which has basically the same capabilities

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but in a more portable package.

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Personal computers come in a few different styles.

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The most common type uses the Windows operating system.

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Macs or Macintosh computers feature the Mac OS operating system, while Chromebooks run

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on Chrome OS.

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Smartphones and other mobile devices mostly use the iOS or Android operating systems.

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We'll talk more about operating systems in a later video.

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Computers come in many other shapes and sizes.

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tvs game consoles and even appliances like refrigerators can have built-in computers

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although they may not do everything a desktop or laptop can there is another type of computer that

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plays an important role in our lives servers a server sends information to other computers on

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a network in fact every time you use the internet web servers deliver the web pages that you want to

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see to your computer servers are also used in many offices to store and share

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files as you can see there are many types of computers out there and each

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one plays a part in our modern world GCF global creating opportunities for a

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better life