What is a key characteristic of a hash table?
A). Ordered elements
B). Key-value pairs
C). Fixed size
D). Single value elements
How do you create a set in Python?
A). set = {1, 2, 3}
B). set = (1, 2, 3)
C). set = [1, 2, 3]
D). set = <1, 2, 3>
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
How do you parse a JSON string in JavaScript?
A). JSON.convert()
B). JSON.toObject()
C). JSON.parse()
D). JSON.stringify()
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
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
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 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