Hard Drives

Western Digital Black Caviar 1TB HDD

Parts of a HDD

Hard Drives are devices used to store information. There are non-volatile,random access decive for digital data.

In the Image tittled parts of a hard drive disk we can see that in has a motor spindle that is what moves the platters, the actuator is what moves the actuator axis for the head to write data and we can se de connectors.
Modern HDD work at high RPM(From 5,000 to 15,000) and because of it they process information faster.
One disadvantage is that if you are near a big magnet data will be corrupted.