What is the purpose of a JSON object?

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

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

A). remove()

B). pop()

C). delete()

D). slice()

What is a multidimensional array?

A). An array with a single dimension

B). An array containing other arrays

C). An array with only string values

D). An array with a fixed size

Which data type in Python is immutable?

A). List

B). Dictionary

C). Set

D). Tuple

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

A). push()

B). append()

C). insert()

D). add()

How do you create a set in Python?

A). set = {1, 2, 3}

B). set = (1, 2, 3)

C). set = [1, 2, 3]

D). set = <1, 2, 3>

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)

How do you access the value of a key in a JavaScript object?

A). object(key)

B). object.key

C). object[key]

D). Both b and c

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

What is a key characteristic of a hash table?

A). Ordered elements

B). Key-value pairs

C). Fixed size

D). Single value elements