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Programming Concepts and Application Quiz

#1

What does the acronym 'HTML' stand for?

Hyper Text Markup Language
Explanation

HTML stands for Hyper Text Markup Language, used for structuring content on the web.

#2

Which of the following is NOT a primitive data type in most programming languages?

Array
Explanation

Array is not a primitive data type; it's a complex data structure that holds a collection of elements.

#3

What does 'DRY' stand for in software development?

Don't Repeat Yourself
Explanation

'DRY' stands for Don't Repeat Yourself, advocating for code reuse to enhance maintainability and reduce redundancy.

#4

What is the purpose of 'git' in software development?

To manage and track changes in source code
Explanation

Git is a version control system that helps manage and track changes in source code, facilitating collaboration.

#5

What does the acronym 'OOP' stand for in programming?

Object-Oriented Programming
Explanation

OOP stands for Object-Oriented Programming, a paradigm that uses objects to structure code.

#6

What is the difference between '==' and '===' operators in JavaScript?

'==' compares only values, while '===' compares both values and types
Explanation

'==' in JavaScript compares values, while '===' compares both values and types for strict equality.

#7

What is the purpose of a 'try...catch' block in programming?

To handle exceptions and errors gracefully
Explanation

A 'try...catch' block in programming is used to handle exceptions and errors gracefully, preventing crashes.

#8

What is the primary advantage of using a 'while' loop over a 'for' loop?

A 'while' loop is useful when the number of iterations is unknown
Explanation

A 'while' loop is beneficial when the number of iterations is unknown or condition-dependent.

#9

What is the purpose of the 'finally' block in a 'try...catch' statement in programming?

To execute code regardless of whether an exception is thrown or caught
Explanation

The 'finally' block ensures that code within it is executed, regardless of whether an exception is thrown or caught.

#10

In programming, what is the purpose of 'polymorphism'?

To allow different actions to be performed based on the object's type
Explanation

Polymorphism enables different actions based on the object's type, enhancing code flexibility.

#11

What is a 'lambda function' in programming?

A function that can be passed as an argument to another function
Explanation

A lambda function is a concise, anonymous function that can be passed as an argument to other functions.

#12

What is 'Big O notation' used for in computer science?

To measure the efficiency of algorithms
Explanation

'Big O notation' is used to analyze and measure the efficiency of algorithms in terms of time and space complexity.

#13

What is a 'stack overflow' error in programming?

An error that occurs when the call stack exceeds its maximum size
Explanation

A 'stack overflow' error happens when the call stack exceeds its allocated size, often due to infinite recursion.

#14

What is a 'race condition' in programming?

A condition where multiple threads or processes access shared data and attempt to change it at the same time
Explanation

A 'race condition' occurs when multiple threads or processes attempt to access and modify shared data simultaneously, leading to unpredictable results.

#15

What is a 'mutex' in concurrent programming?

A mechanism used to enforce mutual exclusion, allowing only one thread to access a shared resource at a time
Explanation

A 'mutex' is used in concurrent programming to enforce mutual exclusion, ensuring only one thread can access a shared resource at any given time.

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