Major Parts of a Computer

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Computers are composed of multiple components.
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A computer is composed of multiple components that perform specific functions. In many computers, a component may be replaced independently without replacing the other components. This allows only a specific part to be replaced as the item breaks down or becomes obsolete.

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Motherboard

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The motherboard provides connections for all the peripheral devices.
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The motherboard provides connections for all the peripheral (child) devices. It's becoming increasingly common for a motherboard to perform these peripheral functions without a separate device.

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Central Processing Unit

The CPU acts as the brain of the computer.
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The central processing unit (CPU) is the "brain" of the computer and performs most of the actual computing functions. The CPU determines how quickly the computer can perform most tasks.

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Hard Drive

The hard drive provides the permanent storage for information.
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The hard drive provides the permanent storage for information. This information is still recorded when the computer is turned off.

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Memory Card

A memory card holds information temporarily while the computer is turned on.
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The memory card holds information temporarily while the computer is turned on. The retrieval and storage of memory is much faster than that of the hard drive.

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Monitor

A monitor displays visual information for the user to see.
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The monitor is similar to a television and displays visual information to the user.

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