What is a key characteristic of a hash table?

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)

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

A). String

B). Integer

C). Array

D). Boolean

What is a complex data type in programming?

A). Primitive data type

B). Data type composed of multiple elements

C). Single integer value

D). Single character value

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 method converts a JavaScript object into a JSON string?

A). JSON.convert()

B). JSON.toString()

C). JSON.stringify()

D). JSON.parse()

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

A). remove()

B). pop()

C). delete()

D). slice()

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

A). push()

B). append()

C). insert()

D). add()

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 does SQL stand for?

A). Structured Query Language

B). System Query Language

C). Structured Question Language

D). System Question Language

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