How many diagrams are drawn for a system in Final year project?

The answer varies from system to system and its nature, but I am answering here, in the context of the majority of cases in our normal daily programming life.

How many diagrams are drawn for a system
How many diagrams are drawn for a system

How many use case diagrams are drawn for a system in the Final year project?

Answer:

Mostly More than 1

(Sometimes vary, according to project size, and team expertise)

On the basis of

Modules

Example

Social networks like FB:

Different diagrams for friends, Groups, and Pages modules

How many class diagrams are drawn for a system in the Final year project?

Answer:

Mostly 1

(Sometimes vary, according to project size, and team expertise)

On the basis of

Classes and their relationships

Example

Library System:

One diagram shows relationships of all classes in 1 picture, like classes of books, order, users, etc

How many activity diagrams are drawn for a system in the Final year project?

Answer:

Mostly More than 1

(Sometimes vary, according to project size, and team expertise)

On the basis of

Activities(Activities can be derived from functional requirements)

Example

Social networks like FB:

Different activities like accepting a friend request, sending a friend request, like a page, Joining a group, messaging another user, etc

How many activity diagrams are drawn for a system in the Final year project?

Answer:

Mostly More than 1

(Sometimes vary, according to project size, and team expertise)

On the basis of

Modules

Example

Social networks like FB:

Different diagrams for all modules. Modules can be friends, Groups, and Pages modules.

How many data flow diagrams are drawn for a system in the Final year project?

Answer:

Sometimes 1, sometimes more than 1

(Sometimes vary, according to project size, and team expertise)

On the basis of

Sometimes 1, sometimes more than 1

(Sometimes vary, according to project size, and team expertise)

Social networks like FB:

Example of  more than 1 diagram:

Social networks like FB:

Different diagrams for all modules. Modules can be friends, Groups, and Pages modules.

Example of  1 diagram:

File converter:

How many Entity-relationship diagrams (ERD) are drawn for a system in the Final year project?

Answer:

Mostly 1

(Sometimes vary, according to project size, and team expertise)

On the basis of

Database tables, and relationships

Example

Example of  1 diagram:

File converter: