Test Your Programming Knowledge

What is a class in Object-Oriented Programming?

• A class is a blueprint for creating objects in OOP, defining attributes and methods.

• A class is a function that executes code.

• A class is a collection of data without any methods.

• A class is a type of variable in programming.

Explain the concept of inheritance in OOP.

• Inheritance is a method to delete attributes from a superclass.

• Inheritance allows a subclass to create new methods without any relation to the superclass.

• Inheritance is a way to encapsulate data within a single class.

• Inheritance allows a subclass to inherit attributes and methods from a superclass, promoting code reuse and establishing a class hierarchy.

What are the four main principles of Object-Oriented Programming?

• Encapsulation, Abstraction, Inheritance, Polymorphism

• Encapsulation, Inheritance, Composition, Overloading

• Abstraction, Polymorphism, Composition, Encapsulation

• Composition, Aggregation, Delegation, Inheritance

What is the purpose of HTML in web development?

• HTML is primarily used for database management in web development.

• HTML is used to style web pages with CSS.

• HTML is a programming language for creating web applications.

• The purpose of HTML in web development is to structure and present content on the web.

Describe the role of CSS in web design.

• CSS is responsible for database management in web applications.

• CSS is mainly focused on backend functionality and server performance.

• CSS is primarily used for server-side scripting.

• CSS plays a crucial role in defining the visual presentation and layout of web pages.

What is JavaScript primarily used for in web development?

• To create static HTML content.

• To manage server-side databases.

• To style web pages with CSS.

• To create interactive and dynamic web content.

What is a relational database?

• A relational database is a type of cloud storage service.

• A relational database is a database that organizes data into tables with defined relationships between them.

• A relational database is a collection of unstructured data.

• A relational database is a software application for word processing.

What is SQL and what is it used for?

• SQL is a programming language used for managing and manipulating relational databases.

• SQL is a markup language for designing websites.

• SQL is used for creating web applications.

• SQL is a type of spreadsheet software.

Explain the difference between primary key and foreign key in databases.

• A primary key is used for indexing, while a foreign key is used for sorting.

• A primary key can be duplicated, while a foreign key cannot.

• A primary key is always a number, while a foreign key is always a string.

• The primary key uniquely identifies a record, while the foreign key establishes a relationship between two tables.

What is the purpose of an API in web development?

• To store data in a database

• To create user interfaces

• To enhance website aesthetics

• The purpose of an API in web development is to enable communication and data exchange between different software applications.