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)
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>
Which method converts a JavaScript object into a JSON string?
A). JSON.convert()
B). JSON.toString()
C). JSON.stringify()
D). JSON.parse()
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 data type in Python is immutable?
A). List
B). Dictionary
C). Set
D). Tuple
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
Which of the following is a common example of a complex data type?
A). String
B). Integer
C). Array
D). Boolean
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
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)