Which method removes the last element from an array in JavaScript?

In JavaScript, how do you define an array?

A). let arr = 'value1, value2'

B). let arr = [value1, value2]

C). let arr = {value1, value2}

D). let arr = (value1, value2)

Which function is used to add an element to the end of an array in JavaScript?

A). push()

B). append()

C). insert()

D). add()

Which data type in Python is immutable?

A). List

B). Dictionary

C). Set

D). Tuple

Which of the following is a feature of complex data types?

A). They can hold multiple values

B). They can be manipulated as a single entity

C). They can be composed of different data types

D). All of the above

How do you parse a JSON string in JavaScript?

A). JSON.convert()

B). JSON.toObject()

C). JSON.parse()

D). JSON.stringify()

Which of the following is a common example of a complex data type?

A). String

B). Integer

C). Array

D). Boolean

What is an object in programming?

A). A data structure with a fixed sequence of elements

B). A primitive data type

C). A data structure that stores key-value pairs

D). A single numerical value

What is the primary use of a stack data structure?

A). First In, First Out (FIFO)

B). First In, Last Out (FILO)

C). Last In, First Out (LIFO)

D). Last In, Last Out (LILO)

What is a queue data structure used for?

A). First In, First Out (FIFO)

B). Last In, First Out (LIFO)

C). Last In, Last Out (LILO)

D). First In, Last Out (FILO)

What is the purpose of a JSON object?

A). To store a single value

B). To define a variable

C). To represent data as a string

D). To store data in a structured, key-value pair format