The backup storage (Secondary Storage Device). The backup storage (Secondary Storage Device) to work with the computer. To keep a log or a group of commands to use in the future will not be stored in the main memory because it does not have enough space. All data collected will be lost when you shut down. If you need more information, and to make use of it later on, it is necessary to find a storage device, such as a larger secondary storage unit known as secondary storage. There are currently produced for the media used to store the backup data divided into various types, according to the format of the storage media into 4 categories.1. the magnetic plate storage media (Magnetic Disk device), a device to save the data that is available is the appearance of the plate (disk) that contains several categories, as follows: 1.1 the floppy disk (Floppy disks) storage media, the data gained popularity and widespread use. Be used as the common popular computer accessories shop, also called ditket (diskette) or disc. To keep the data, such as material, light plate plastic coated magnetic substance inside and wrapped with a hard plastic frame. In the past, there will be a disc the size of plate up to 5.25 inches, the largest note currently not popular and quit, seeing only the size of 3.5 inches instead. That is small and portable than. The working structure of the disc must be formatted by the format (format) when used for the first time before it (the current manufacturers are usually formatted sheets since they are in the process of manufacturing (user does not need to be formatted before use.) Formatting is the process of organizing the data file storage before use or speak easy is a preparation area for the data themselves. The structure of the magnetic flange when the format looks like this:
การแปล กรุณารอสักครู่..
