To remove data from a data medium , leaving the medium available for recording new data 擦除数据记录媒体上的数据,从而使媒体可记录新的数据。
A virus that replicates itself by resending itself as an e - mail attachment or as part of a network message is known as a worm 有些病毒是良性的,或活泼,在意图和效果( "生日快乐,路德维希! " )有的可能是相当有害的,擦除数据,或导致您的硬盘,要求改组。
A device that reads , writes , or erases data on a storage medium , for example , a small electromagnet used to read , write , or erase data on a magnetic drum or magnetic tape 在存储媒体上进行读、写或擦除数据的一种部件,例如,用于在磁鼓、磁带上读、写或擦除数据的小型电磁体。
Some viruses are benign or playful in intent and effect ( " happy birthday , ludwig ! " ) and some can be quite harmful , erasing data or causing your hard disk to require reformatting 有些病毒是良性的,或活泼,在意图和效果( "生日快乐,路德维希! " )有的可能是相当有害的,擦除数据,或导致您的硬盘,要求改组。