CodeIgniter is a powerful and lightweight open-source PHP framework renowned for its simplicity and speed in web application development. With a focus on minimal configuration and a straightforward yet comprehensive toolkit, CodeIgniter empowers developers to build robust and scalable web applications efficiently. Its Model-View-Controller (MVC) architecture enhances code organization, making it easy to create maintainable and modular applications. CodeIgniter also offers a rich set of libraries and helpers, enabling rapid development and customization. Whether you're a novice or an experienced developer, CodeIgniter is an excellent choice for crafting dynamic and high-performance web solutions.
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Practice Test
21. In the MVC pattern, what is the primary responsibility of the Model component in CodeIgniter?
A. Handling data and business logic
B. Rendering the user interface
C. Managing URL routing
D. Handling user input and requests
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Answer: Handling data and business logic
22. What is the role of the View component in CodeIgniter's MVC architecture?
A. Presenting data to the user
B. Managing database connections
C. Processing user input
D. Handling business logic
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Answer: Presenting data to the user
23. What does the Controller component do in the MVC pattern of CodeIgniter?
A. Controls the flow of the application
B. Manages database schema changes
C. Renders HTML templates
D. Represents database tables and records
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Answer: Controls the flow of the application
24. Which part of the MVC architecture in CodeIgniter interacts with the user and receives requests?
A. Controller
B. Model
C. View
D. Configuration files
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Answer: Controller
25. What is the primary advantage of using the MVC architecture in CodeIgniter?
A. Separation of concerns
B. Simplified URL structure
C. Direct database access
D. JavaScript integration
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Answer: Separation of concerns
26. In CodeIgniter's MVC pattern, which component is responsible for interacting with the database?
A. Model
B. Controller
C. View
D. Configuration files
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Answer: Model
27. How does CodeIgniter's MVC pattern help with code organization and maintenance?
A. By keeping data, presentation, and logic separate
B. By using only one component
C. By using a single configuration file
D. By combining all components into one
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Answer: By keeping data, presentation, and logic separate
28. Which component in CodeIgniter's MVC architecture is responsible for rendering HTML templates?
A. View
B. Model
C. Controller
D. Configuration files
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Answer: View
29. In the context of CodeIgniter, what is the primary purpose of the View component?
A. Presenting data to the user
B. Handling user input and requests
C. Managing database connections
D. Controlling application flow
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Answer: Presenting data to the user
30. In CodeIgniter, what is the primary role of a controller?
A. To handle user requests and control application flow
B. To manage database connections
C. To render HTML templates
D. To define business logic and data processing
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Answer: To handle user requests and control application flow
