Which method removes the last element from an array in JavaScript?
A). remove()
B). pop()
C). delete()
D). slice()
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
Which method converts a JavaScript object into a JSON string?
A). JSON.convert()
B). JSON.toString()
C). JSON.stringify()
D). JSON.parse()
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 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 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
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
How do you parse a JSON string in JavaScript?
A). JSON.convert()
B). JSON.toObject()
C). JSON.parse()
D). JSON.stringify()