Which function is used to add an element to the end of an array in JavaScript?
A). push()
B). append()
C). insert()
D). add()
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
What does SQL stand for?
A). Structured Query Language
B). System Query Language
C). Structured Question Language
D). System Question Language
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 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 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)
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 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
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)