Separate documentation verifying that the drive has been purged will be maintained by the certifier for a minimum of five years.
CPU
Randomly writing magnetic ones and zeroes to a hard disk is called
depends on the type of drive, but as long as the drive is kept away from magnets and at the proper temperature and humidity it should last a decade or two.
The hard drive is the main memory where most documents and multimedia files are stored, for example music, images and video's. Not only are these files stored on the Hard Drive but also the Operating System is kept on the Hard Drive. A computer can have more than one Hard Drive and these can either be Internal or External. Disk drives (HDD) come in many different sizes in memory; ranging from Kilo-Bite as the smallest and Terabyte as the largest.
Six years
Permanent or Secondary storage - such as a hard drive, CD, DVD, or USB drive
Backup files should be kept in a different location [CD, thumb drive, external drive] in case your computer breaks down. If the hard drive fails or the operating system crashes, you have your files safe somewhere.
The hard drive is the main memory where most documents and multimedia files are stored, for example music, images and video's. Not only are these files stored on the Hard Drive but also the Operating System is kept on the Hard Drive. A computer can have more than one Hard Drive and these can either be Internal or External. Disk drives (HDD) come in many different sizes in memory; ranging from Kilo-Bite as the smallest and Terabyte as the largest.
Internal memory on a computer is kept on the hard drive. The hard drive holds the memory for all things downloaded to the computer, and all web sites visited. External memory is usually kept on a device like a USB memory stick or a CD. External memory can be accessed by plugging it into the computer.
3 Years
72 12months
Typically for faster transfer rates to the CPU (also notice that RAM is in between the CPU and the Hard drive connectors)