BCOR 2020 EXAM 2 PRACTICE
QUESTIONS AND ANSWERS
What are what-if models? - Answer️️ -what if models are spreadsheets
used for decision making; mathematical and logic based models
Building good spreadsheet models - Answer️️ -influence diagrams;
building a mathematical model; spread shee...
What are what-if models? - Answer✔️✔️-what if models are spreadsheets
used for decision making; mathematical and logic based models
Building good spreadsheet models - Answer✔️✔️-influence diagrams;
building a mathematical model; spread sheet design and implementing the
model in a spreadsheet
Data - Answer✔️✔️-raw facts; numbers, letters, etc; audio video, image
Information - Answer✔️✔️-a collection of data organized in such a away that
they have value beyond the facts themselves
Knowledge - Answer✔️✔️-awareness and understanding of a set of
information and the ways it can be made useful to support a task
Value of information - Answer✔️✔️-the value of information is directly
linked to how decision makers achieve organizational needs
Characteristics of Quality information - Answer✔️✔️-information should be
accurate or complete
What is IS? - Answer✔️✔️-an information system is a single set of hardware,
software, databases, networks, people and procedure that collect,
manipulate, store, and process data into information
What are the three types of information systems - Answer✔️✔️-- Personal IS
Value Chains - Answer✔️✔️-A series of activities that an organization
performs to turn inputs into outputs
Supply Chain - Answer✔️✔️-key value chain in a manufacturing
organization
What is a database? - Answer✔️✔️-an organized collection of data
What does DBMS stand for? - Answer✔️✔️-DBMS stands for data base
management system
What is DBMS? - Answer✔️✔️-a group of programs that manipulate the
database and provide an interface between the database and its users and
other application processes
Hierarchy of data - Answer✔️✔️-bit -> byte/characteristic -> field -> record -
> file
byte - Answer✔️✔️-made up of 8 bits
field - Answer✔️✔️-name, number, or combination of characters that
describes an aspect of a business object or activity
record - Answer✔️✔️-a collection of related data fields
file - Answer✔️✔️-a collection of related records
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