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
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>
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 key characteristic of a hash table?
A). Ordered elements
B). Key-value pairs
C). Fixed size
D). Single value elements
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 data type in Python is immutable?
A). List
B). Dictionary
C). Set
D). Tuple
What does SQL stand for?
A). Structured Query Language
B). System Query Language
C). Structured Question Language
D). System Question Language
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 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
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