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【简答题】
A ll storage (1) involve two parts : a storage (2) and a storage (3). The storage devices such as a hard (4) drive , and CD or DVD drive which are installed within the (5) case , write data and (6) onto or read them from storage media . A storage medium must be inserted into the storage device before (7) and programs are read or written . I n many storage systems, the (8) must be inserted into the device before the computer can read from it or write to i t. These are called (9) - media storage systems . CD s and DVD s are examples of removable media. On the other hand, f ixed- media storage systems , such as most hard disk (10) systems , seal the storage medi um , ( the hard disk ) inside the storage device ( h ard disk drive ) a nd users can not remove it.
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A.
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B.
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C.
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A.
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C.
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