Posted on Tuesday, November 24, 2009 at 4:14 AM
Data objects hold the value in a specified format, which will be helpful to interpret the type of information. The specific characteristics of the data objects explains using the "data types". "Operators" are functions, used to produce other functions.
4.2. Data Objects:-
Data Objects are classified in to four types. They are listed below
Constant hold the value, which cannot be changed during the run time. Constants generally used for easier readability. It can be used in Package, Entity or in the Architecture. If it is used inside the package then that constant will be used as global wherever the package is used across several entities. If the constant used under the entity then the constant may be used in different architectures. When the constant is used inside architecture then it will be local to that architecture.