1/15
In object-oriented programming, what is encapsulation?
a. The process of creating objects
b. Bundling data and methods that operate on the data into a single unit
c. Hiding the implementation details of a class
2/15
Which design pattern is commonly used to create an object in a way that it can be easily cloned?
a. Singleton Pattern
b. Prototype Pattern
c. Factory Method Pattern
3/15
What is the purpose of a lambda function in languages like Python?
a. Defining complex mathematical operations
b. Creating anonymous functions
c. Implementing class inheritance
4/15
In the context of databases, what is ACID compliance?
a. A way to rank database performance
b. A set of properties ensuring database transactions are processed reliably
c. A coding standard for database queries
5/15
Which sorting algorithm has an average time complexity of O(n log n)?
a. Bubble Sort
b. Merge Sort
c. Insertion Sort
6/15
What is the primary use of the "yield" keyword in Python?
a. Interrupting the execution of a program
b. Creating a generator function
c. Defining class properties
7/15
What is a closure in programming?
a.A function with no return statement
b. A combination of a function and the lexical environment within which that function was declared
c. A programming error caused by invalid syntax
8/15
What is the purpose of the Solidity programming language?
a. Web development
b. Smart contract development for blockchain
c. Artificial intelligence
9/15
Which design pattern enables loose coupling by letting a subject notify observers without knowing their identities?
a. Observer Pattern
b. Command Pattern
c. Decorator Pattern
10/15
What is memoization in the context of algorithms and programming?
a. A technique to optimize recursive algorithms by caching intermediate results
b. A process of compressing data for storage
c. A method for debugging complex code
11/15
In networking, what is the purpose of the HTTP status code 404?
a. Server error
b. Not Found
c. Request timeout
12/15
Which data structure is typically used to implement a LIFO (Last In, First Out) behavior?
a. Queue
b. Stack
c. Linked List
13/15
What is the significance of the "volatile" keyword in programming languages like Java?
a. It indicates a variable that cannot be changed
b. It informs the compiler that the variable may be changed by multiple threads
c. It specifies constant values
14/15
What is a monad in functional programming?
a. A type of algorithm
b. A design pattern for GUI applications
c. A structure that represents computations
15/15
What is the purpose of the "async" and "await" keywords in languages like Python?
a. Synchronous code execution
b. Asynchronous programming, allowing non-blocking code execution
c. Memory management techniques
