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Questions and Answers
Which of the following scenarios best illustrates the concept of 'scope' in programming?
Which of the following scenarios best illustrates the concept of 'scope' in programming?
- A function that calculates the square root of a number.
- Using comments to explain code functionality.
- A loop that iterates through an array.
- Declaring a variable inside a function that cannot be accessed outside it. (correct)
How does encapsulation contribute to code maintainability?
How does encapsulation contribute to code maintainability?
- By automatically generating documentation.
- By bundling data and methods that operate on that data, protecting it from outside interference. (correct)
- By making all variables global for easy access.
- By reducing the number of lines of code.
What is the primary benefit of using inheritance in object-oriented programming?
What is the primary benefit of using inheritance in object-oriented programming?
- It allows you to write code in multiple programming languages.
- It simplifies the process of debugging complex programs.
- It automatically optimizes code for faster execution.
- It enables code reusability and the creation of a hierarchy of classes. (correct)
In the context of data structures, what distinguishes a 'stack' from a 'queue'?
In the context of data structures, what distinguishes a 'stack' from a 'queue'?
What is the significance of 'Big O' notation in algorithm analysis?
What is the significance of 'Big O' notation in algorithm analysis?
Which of the following sorting algorithms has an average time complexity of $O(n \log n)$?
Which of the following sorting algorithms has an average time complexity of $O(n \log n)$?
What is the purpose of a 'hash function' in a hash table?
What is the purpose of a 'hash function' in a hash table?
How does recursion work in programming?
How does recursion work in programming?
What is the key advantage of using dynamic programming over a simple recursive solution for certain problems?
What is the key advantage of using dynamic programming over a simple recursive solution for certain problems?
What is the primary purpose of using version control systems like Git?
What is the primary purpose of using version control systems like Git?
Why is testing an important part of the software development process?
Why is testing an important part of the software development process?
In the context of databases, what does ACID stand for?
In the context of databases, what does ACID stand for?
What is the role of an API (Application Programming Interface)?
What is the role of an API (Application Programming Interface)?
Which of the following best describes the concept of 'polymorphism' in object-oriented programming?
Which of the following best describes the concept of 'polymorphism' in object-oriented programming?
In computer networking, what is the purpose of a firewall?
In computer networking, what is the purpose of a firewall?
What is a common use case for linked lists compared to arrays?
What is a common use case for linked lists compared to arrays?
Which design pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable?
Which design pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable?
What is the main advantage of using a microservices architecture?
What is the main advantage of using a microservices architecture?
What is the purpose of using normalization in database design?
What is the purpose of using normalization in database design?
Which of the following is a benefit of using cloud computing services?
Which of the following is a benefit of using cloud computing services?
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