Hard disk system

The hard disk of a computer is the largest and permanent storage location of a computer. The operating system of any computer is loaded directly on to the hard disk and all other default files or folders are located in one place or the other in the hard disk.
Hard disk can be partitioned during the process of formatting and operating system installation. Therefore, after partitioning a hard disk the various partition can be categorized into root partition usually drive C:, recovery partition otherwise referred to as drive E: and the back up partition which can take from F:, G:, H:, and continues as the case may be. Drive D: in most cases is left for the CD/DVD ROM.
The root hard disk, drive C:, is where the operating system is loaded. Every other files and folders that make the computer work properly are saved in this drive. All installation of applications and software programs are also done on this drive.
Most contemporary computers have recovery hard disk. The recovery hard disk, drive E:, is the compartment where all default settings, system drivers and restore point are stored for ease of accessibility when needed.
The back up hard disk, drive F: downwards, serves as a supporting and saving grace tool whenever there is root hard disk failure i.e whenever drive C: fails. All files and folders saved in the back up hard drive can easily be retrieved whenever the root hard drive fails and needs to be formatted.
Hard disk technology has witness a lot of advancement. Hard disk technology started with the integrated device electronic (IDE) technology. With this technology, hard disk capacity ranging from 10GB, 20GB, 40GB, 80GB, 160GB and 250GB were developed.
The quest for larger storage capacity due to software advancement which the IDE technology could not withstand, the serial advance technology hard disk (SATA) was developed in order to increase the storage capacity of computers. SATA hard disk has storage capacities ranging from 80GB, 150GB, 250GB, 320GB, 500GB and even 1 terabyte.
Today, the world is talking about cloud storage technology as the new evolution in computer storage system. Cloud storage capacity is very vast and it is very handy, that gives it preference over IDE and SATA technology.    

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