Storage Devices are the data storage devices that are used in the computers to store the data. Computers have many types of data storage devices. Some of them can be classified as the removable data Storage Devices and the others as the non removable data Storage Devices.
The hard disk drive in your computer system is the "data center" of the PC. It is here that all of your programs and data are stored between the occasions that you use the computer. Your hard disk is the most important of the various types of permanent storage used in PCs (the others being floppy disks and other storage media such as CD-ROMs, tapes, removable drives, etc.)
Memory cards or flash cards is an electronic flash memory data storage device used for storing digital information. They are generally used in many electronic devices, including digital cameras, mobile phones, laptop computers, MP3 players, and video game consoles. They are small, re-recordable, and able to retain data without power.
CD-ROMs are popularly used to give out computer software, including video games and multimedia applications. Any data can be stored (up to the capacity limit of a disc). Some CDs hold both computer data and audio that is capable of being played on a CD player, while data (such as software or digital video) is only usable on a computer.
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