Storage medium: - the part of a storage system where data is stored , such as a DVD disc.Storage device:- a pice of hardware sucha as a DVD drive
Storage System Characteristics
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All storage system have specific characterstic inclusing storage medium and a storage devic, portability and volatility.
Type of Storage Technology Used
hard drive
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: is a primary storeage system for most computers used to store most programs and data used with a computer
magnetic hard
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Traditional hard drivers are magnatic hard drivers that contain magnatic hard disks /read wite heads, and acess mechanism.
solid state drivers
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A hard drive that uses flash memory media instead of metal magnatic hard disk and magnetic technology. are an especially attractive option for portable computer or mobile devices
Internal and External Hard Drives
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Internal hard drivers are located inside a computer system unit and are not removed unless there is a problem.due to a large capacity , full sized external hard drives which are magnatic hard drives and hold between 500 GB and 4 recorded TVshows.
Read-Only Discs
CD-ROM
DVD-ROM
BD-ROM Discs
Volatility
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Conventional RAM is volatile so programs and documents held in RAM are erased when they are no longer nedded by the computer or when a power turned off.
