1.A(n) ______________________________ is the attribute whose value is unique for every entity that will appear in the database. 2.______________________________ is a measure of the highest level of participation that one entity can have in another entity. 3.In set theory, a two-dimensional collection of information is called a(n) ______________________________. 4.A(n) ______________________________ is an information system that assists managers with unstructured decisions by retrieving and analyzing data for purposes of identifying and generating useful information. 5.A(n) ______________________________ is mainly about collecting and presenting information and less about doing additional processing and calculations. 6.A(n) ______________________________ is a computer-based system that supports collaborative intellectual work such as idea generation, elaboration, analysis, synthesis, information sharing, and decision making. 7.A computer's ability to imitate human decision making when confronting situations that are complex and ambiguous is called ______________________________. 8.A(n) ______________________________ can be used to capture and retain the expertise of retiring employees. 9.A(n) ______________________________ is a software program integrated into a decision support system or other software tool that can perform tasks without further direction from the user. 10.A(n) ______________________________ is a computer hardware and software system that mimics the human brain's ability to recognize patterns or predict outcomes using less-than-complete information.