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 a key characteristic of a hash table?
A). Ordered elements
B). Key-value pairs
C). Fixed size
D). Single value elements
What does SQL stand for?
A). Structured Query Language
B). System Query Language
C). Structured Question Language
D). System Question Language
Which method converts a JavaScript object into a JSON string?
A). JSON.convert()
B). JSON.toString()
C). JSON.stringify()
D). JSON.parse()
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)
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 access the value of a key in a JavaScript object?
A). object(key)
B). object.key
C). object[key]
D). Both b and c
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 =
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