Data is one of the five components in an information system. Data is stored document file, worksheet file, database file and ( ).
A. application software
B. presentation file
C. communication device
D. system unit
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Hardware consists of many kinds of equipment, including( ).
A. keyboard
B. mouse
C. monitor
D. virus
Written ____ are guidelines or rules to follow when using software, hardware and data.
Software is another name for a ____.
There are two major kinds of the software----system software and ____.