（ ）data effectively is crucial for success in today's competitive environment. Managers must know how to use a variety of tools. Integrated data takes information from different sources and puts it together in a meaningful and useful way. One of the difficulties of this is the（ ） in hardware and software.（ ） integration uses a base document that contains copies of other objects.（ ）integration uses a base document that contains the current or most recent version of the source document it contains.
（ ）provides an overview of the program written in "plain". English, without the
computer syntax.
（ ）