U6L4 - Data Design

What is the primary purpose of a software design document?

• To outline the marketing strategy for the software

• To prepare for the development of the software by detailing requirements, architecture, and design

• To list the team members involved in the project

• To provide a user manual for the software

Which of the following best describes an Entity-Relationship Diagram (ERD)?

• A diagram that shows the user interface of a software

• A diagram that illustrates the relationships between different data entities

• A flowchart that outlines the software development process

• A chart that lists all the software requirements

In the context of data design, what is a primary key?

• A key that encrypts data in a database

• A unique identifier for an entity in a database table

• A key that allows access to the database

• A key that connects two tables in a database

What is the role of the Data Access Layer (DAL) in software architecture?

• To design the user interface

• To manage the connection and interaction with the database

• To encrypt data for security purposes

• To compile the source code into executable code

Which of the following is a benefit of using an object-oriented methodology in software design?

• It reduces the need for a database

• It increases the reusability and efficiency of the code

• It eliminates the need for a user interface

• It simplifies the marketing of the software

What is a use case in the context of software design?

• A detailed description of the software's code

• An action or event that takes place between the user and the system

• A list of all the software's functional requirements

• A diagram showing the system architecture

How does a foreign key function in a database?

• It encrypts data for security

• It serves as a unique identifier for a table

• It links records in one table to records in another table

• It provides a backup of the database

What is the significance of the system architecture section in a software design document?

• It lists the marketing strategies for the software

• It describes the technical aspects and design approach of the software

• It provides a user guide for the software

• It outlines the financial budget for the project

Which of the following is a characteristic of a well-designed user interface?

• It is complex and difficult to navigate

• It aligns closely with use cases and is user-friendly

• It contains only text and no graphics

• It is designed without considering user feedback

What is the purpose of a software design specification?

• To provide a detailed marketing plan

• To outline the methodology, requirements, and processes for software development

• To list the team members involved in the project

• To serve as a user manual for the software