This correption of data introduction or presence of errors in data.Most computers use a range of verifications and validation routiens to prevent corrupt data from entering the computer system or to detect corrupt data that are already present.
Cursor:on a computer screen the symbol that indicates the current entry position (positon where are the next character will apper).In character based applications it usual consists of a solid rectangle orunderline character,flashing on and off,In graphical user interfaces it may change shape depending on the context.
card:A printed circuit board or adapter that you plug in to a computer to add support ofr specific peice of hardwere.
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