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A processor works by taking information from the keyboard or mouse and then solving small problems very quickly for the user. Discover how processors use just the numbers one and zero to solve problems much faster than people; and learn more about technology from a computer specialist in this free video on computers.

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A computer fan works by removing the heat that builds up around the computer processor. This ensures the temperature around the CPU is stable. Find out what happens if a processor gets too hot with information from a computer and technology specialist in this free video on computers.

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A computer stores data on a hard drive that has information written magnetically onto different tracks. Store data from a computer on CDs, DVDs, a floppy disk or hard drive with tips from a computer and technology specialist in this free video on computers.

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A computer that has two hard drives will typically have a main hard drive with an individual address, called the master, and a secondary hard drive called the slave. Find out how to connect two different hard drives to a computer with information from a computer and technology specialist in this free video on computers.