Physical data independence is

Which of the following is a feature of the devices that form the physical basis of information and systems?

A Data Model is Graphical.

Which of the following statements is true of information systems that support collaborative human activities?

________ is a technology placed on tags that consist of small chips equipped with a microprocessor, a tiny antenna to receive and transmit data, and sometimes a battery that stores information on the tagged object’s history.

A network database supports many-to-many relationships.

There is a polynomial time reduction from B to A.

Identify is this muscle. (muscle highlighted in green)

The need for efficiency has led database system developers to use complex data structures to represent data in the database.

Which of the following is a function of operations management?