What is the primary use of a stack data structure?

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 a key characteristic of a hash table?

A). Ordered elements

B). Key-value pairs

C). Fixed size

D). Single value elements

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)

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

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 method removes the last element from an array in JavaScript?

A). remove()

B). pop()

C). delete()

D). slice()

In Python, how do you create a list?

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

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

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

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

How do you create a dictionary in Python?

A). dict = {key1: value1, key2: value2}

B). dict = (key1: value1, key2: value2)

C). dict = [key1: value1, key2: value2]

D). dict =

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 does SQL stand for?

A). Structured Query Language

B). System Query Language

C). Structured Question Language

D). System Question Language