What does the reduce function do in functional programming? a) Increases the size of a list b) Transforms a list into a single value by applying a function cumulatively c) Sorts elements in ascending order d) Maps elements to their index Answer: b) Transforms a list into a single value by applying a function cumulatively […]
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What is “lazy evaluation” in functional programming? a) A function that runs slower than expected b) An evaluation strategy where expressions are evaluated only when their value is needed c) A method of memorizing function calls d) A technique to create recursive loops Answer: b) An evaluation strategy where expressions are evaluated only when their
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In functional programming, what does the map function do? a) Transforms each element in a list using a function and returns a new list b) Filters out elements from a list c) Sorts the elements in a list d) Modifies the original list in place Answer: a) Transforms each element in a list using a
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Which of the following is an example of a higher-order function? a) A function that takes a string as input b) A function that returns a number c) A function that takes another function as an argument d) A function that modifies global variables Answer: c) A function that takes another function as an argument
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In functional programming, which statement is true about loops? a) Loops are commonly used b) Loops are replaced with recursion or higher-order functions like map or reduce c) Loops modify global state d) Loops are used to introduce side effects Answer: b) Loops are replaced with recursion or higher-order functions like map or reduce Explanation:
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What is “currying” in functional programming? a) Transforming a function so that it takes multiple arguments into a sequence of functions, taking one argument b) A technique to modify a function’s behavior c) The process of memoization d) Recursion on multiple arguments Answer: a) Transforming a function so that it takes multiple arguments into a
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Which of the following is discouraged in functional programming? a) Immutable data b) Side effects c) Higher-order functions d) Pure functions Answer: b) Side effects Explanation: Side effects, such as modifying global variables or performing I/O operations, are discouraged in functional programming because they can make the behavior of programs less predictable. Reference: Functional Programming
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What is “referential transparency” in functional programming? a) The ability to reference global variables b) When a function consistently yields the same result given the same inputs c) A property of functions that return nothing d) The use of object-oriented features in functions Answer: b) When a function consistently yields the same result given the
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Which of the following is a common functional programming language? a) Python b) Java c) Haskell d) HTML Answer: c) Haskell Explanation: Haskell is a purely functional programming language known for its strong support for immutability and higher-order functions. Reference: Functional Programming Quiz – MCQ Questions and Answers
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What is “recursion” in functional programming? a) A function that calls itself b) A function that modifies a global variable c) A loop that repeats until a condition is met d) A function that runs indefinitely Answer: a) A function that calls itself Explanation: Recursion is a technique in which a function calls itself to
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In functional programming, what is a “side effect”? a) A function that returns a value b) A change in the system’s state or interaction with the outside world during function execution c) A function with no return value d) A function that never terminates Answer: b) A change in the system’s state or interaction with
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What is a higher-order function? a) A function that returns the maximum value b) A function that takes another function as an argument or returns a function c) A function that runs indefinitely d) A function that uses global variables Answer: b) A function that takes another function as an argument or returns a function
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Which of the following is a key feature of functional programming? a) Object inheritance b) Mutable state c) Higher-order functions d) Imperative loops Answer: c) Higher-order functions Explanation: Higher-order functions are functions that take other functions as arguments or return them as results, which is a fundamental feature of functional programming. Reference: Functional Programming Quiz
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What does “immutability” mean in functional programming? a) Data cannot be changed after it is created b) Variables can be modified freely c) Data is mutable but can only be changed by one function d) Only functions are immutable Answer: a) Data cannot be changed after it is created Explanation: Immutability means that once data
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What is a pure function in functional programming? a) A function that depends on external variables b) A function that always produces the same output for the same input and has no side effects c) A function that modifies the global state d) A function that does not return a value Answer: b) A function
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Which Laravel component is used to perform scheduled tasks? a) Jobs b) Events c) Task Scheduler d) Workers Answer: c) Task Scheduler Explanation: The Laravel Task Scheduler allows developers to define and schedule tasks to run periodically, such as clearing logs or sending emails. Reference: Laravel Quiz – MCQ – Multiple Choice Questions
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What is the default session driver in Laravel? a) file b) cookie c) database d) redis Answer: a) file Explanation: The default session driver in Laravel is file, meaning sessions are stored in files by default. Other options include database and Redis. Reference: Laravel Quiz – MCQ – Multiple Choice Questions
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What does the “.env” file in Laravel contain? a) Database and application configuration b) Controller logic c) HTML templates d) CSS styles Answer: a) Database and application configuration Explanation: The .env file in Laravel contains environment-specific configuration settings such as database credentials, app URL, and mail settings. Reference: Laravel Quiz – MCQ – Multiple Choice
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What does the “php artisan serve” command do? a) Runs a local development server b) Creates a new Laravel project c) Runs database migrations d) Generates Blade templates Answer: a) Runs a local development server Explanation: The php artisan serve command runs a local development server, allowing developers to test their Laravel application in a
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Which Laravel feature is used to cache data? a) Queues b) Blade c) Caching d) Eloquent ORM Answer: c) Caching Explanation: Laravel’s caching mechanism allows developers to store data temporarily for performance optimization, reducing the need to retrieve data from the database repeatedly. Reference: Laravel Quiz – MCQ – Multiple Choice Questions
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What is a Laravel event? a) A PHP error b) An action triggered by a specific occurrence in the application c) A database query d) A migration command Answer: b) An action triggered by a specific occurrence in the application Explanation: Events in Laravel are triggered by certain occurrences in the application, such as user
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What is Laravel Sanctum used for? a) To manage database migrations b) To manage API authentication and tokens c) To optimize Blade views d) To generate CSRF tokens Answer: b) To manage API authentication and tokens Explanation: Laravel Sanctum is used for API authentication, providing a simple solution for managing API tokens for single-page applications
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How does Laravel handle dependency injection? a) Using the service container b) Using Blade templating c) Using middleware d) Using controllers Answer: a) Using the service container Explanation: Laravel uses the service container to manage class dependencies, allowing developers to inject objects and services into classes. Reference: Laravel Quiz – MCQ – Multiple Choice Questions
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Which Laravel feature is used to handle background jobs? a) Cache b) Queues c) Eloquent d) Blade Answer: b) Queues Explanation: Laravel queues allow developers to handle time-consuming tasks like email sending and notifications in the background without blocking the main process. Reference: Laravel Quiz – MCQ – Multiple Choice Questions
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What is the function of Laravel Seeder? a) To define relationships between database tables b) To populate the database with dummy data c) To configure the Laravel environment d) To create migrations Answer: b) To populate the database with dummy data Explanation: Laravel seeders are used to populate the database with test or dummy data
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