Who were the scientists responsible for independently

Which of the following is NOT a responsibility of the operating system's kernel?

Consider the following Java code that implements encapsulation:

class BankAccount {

    private double balance;

Which of the following data structures is best suited for implementing a priority queue?     

How do we can Delete all in SQL

What will be the output of the following code when printList is called with a linked list containing the values 1 -> 2 -> 3?

class Node:

Which of the following statements correctly describes a major difference between public and private clouds? 

What will be the output of the following JavaScript code when executed?

let xhr = new XMLHttpRequest();