ISAD - Q8 - Chap 5

1. It maps out the flow of information for any process or system. It uses defined symbols like rectangles, circles and arrows, and etc.

• data functional diagram

• data flow design

• Map Diagram

• data flow diagram

2. This represents data that the system stores. It represents data that is not moving (delayed data at rest).

• Data store symbols

• data flow diagram

• data flow design

• data flow stores

3. TRUE or FALSE:

In creating sets of DFDs flowlines does not necessarily require labeling.

• TRUE

• FALSE

4. TRUE or FALSE:

In creating sets of DFDs large processes can be broken down into smaller components.

• TRUE

• FALSE

5. TRUE or FALSE:

In creating sets of DFDs you should use unique names within each set of symbols.

• TRUE

• FALSE

6. TRUE or FALSE:

In creating sets of DFDs it is not necessarily to provide a unique name and reference number for each processes.

• TRUE

• FALSE

7. TRUE or FALSE:

In creating sets of DFDs it is important that you do not cross lines.

• TRUE

• FALSE

8. TRUE or FALSE:

In creating sets of DFDs one must use leveling and balancing techniques.

• TRUE

• FALSE

9. It is a collection of names, definitions, and attributes about data elements that are being used or captured in a database.

• Data Flow Diagram

• Data Warehousing

• Data Dictionary

• Data Base

10. It is also called as a data repository which is a central storehouse of information about the system's data.

• DBMS

• Data Dictionary

• Data Flow Diagram

• Data Prerequisites