Which method removes the last element from an array in JavaScript?
A). remove()
B). pop()
C). delete()
D). slice()
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 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
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 does SQL stand for?
A). Structured Query Language
B). System Query Language
C). Structured Question Language
D). System Question Language
Which data type in Python is immutable?
A). List
B). Dictionary
C). Set
D). Tuple
Which method converts a JavaScript object into a JSON string?
A). JSON.convert()
B). JSON.toString()
C). JSON.stringify()
D). JSON.parse()
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 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 =
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>