Computers

=Computers:=

Hardware
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Software:
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World Wide Web Browsers:
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Web Browsers: Browsers

Components of a Computer - Intel
=How Do Computers Work? (source:[])=

Computer Basics
To accomplish a task using a computer, you need a combination of hardware, software, and input.



Hardware consists of devices, like the computer itself, the monitor, keyboard, printer, mouse and speakers. Inside your computer there are more bits of hardware, including the motherboard, where you would find the main processing chips that make up the central processing unit (CPU). The hardware processes the commands it receives from the software, and performs tasks or calculations. Software is the name given to the programs that you install on the computer to perform certain types of activities. There is operating system software, such as the Apple OS for a Macintosh, or Windows on a PC. You provide the input. When you type a command or click on an icon, you are telling the computer what to do. That is called input.

How They Work Together
First, you provide input when you turn on the computer. Then the system software tells the CPU to start up certain programs and to turn on some hardware devices so that they are ready for more input from you. This whole process is called booting up.

The next step happens when you choose a program you want to use. You click on the icon or enter a command to start the program.

Let's use the example of an Internet browser. Once the program has started, it is ready for your instructions. You either enter an address (called a URL, which stands for Uniform Resource Locator), or click on an address you've saved already. In either case, the computer now knows what you want it to do. The browser software then goes out to find that address, starting up other hardware devices,

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Computer Terms Computer Glossary