10+ The Jain International School Interview Questions and Answers

Pseudo code to sort a random list of numbers in ascending order

• Loop through the list and compare adjacent elements

• If the left element is greater than the right element, swap them

• Repeat until no swaps are needed

Program to swap two numbers without using temp variables

• Use arithmetic operations to swap the values

• Add the two numbers and store the result in the first variable

• Subtract the second variable from the result and store it in the second variable

To write a procedure in PL/1, use the PROC statement followed by the procedure name and the necessary code.

• Begin with the PROC statement followed by the procedure name

• Add the necessary code within the procedure

• End the procedure with the END statement

• Example: PROC MYPROC; /* code here */ END MYPROC;

Login components in Angular handle user authentication and authorization.

• Use Angular's built-in forms module to create login form

• Implement authentication service to handle login logic

• Use Angular router to navigate to different pages based on login status

Event loop is a mechanism in JavaScript that allows for asynchronous programming by handling and executing tasks in a non-blocking manner.

• Event loop is responsible for managing the execution of code in JavaScript.

• It continuously checks for tasks in the event queue and executes them one by one.

• Tasks can be added to the event queue through various mechanisms like timers, user interactions, or network requests.

• The event loop ensures that the JavaScript runtime remains responsive...read more

Stacks and heaps are data structures used to store and manage memory. Sorting techniques are algorithms used to sort data.

• Stacks are a LIFO (last in, first out) data structure. Examples include the call stack in programming and undo/redo functionality in text editors.

• Heaps are a dynamic memory allocation technique. Examples include the heap memory in programming and the memory allocation in operating systems.

• Sorting techniques include bubble sort, insertion sort, selection so...read more

let, const, and var are JavaScript keywords used to declare variables, but they have different scoping and reassignment rules.

• let and const are block-scoped, while var is function-scoped.

• let and var allow variable reassignment, while const does not.

• let and const are hoisted to the top of their block, but not initialized, while var is hoisted and initialized with undefined.

• let and const are part of the ES6 (ECMAScript 2015) standard, while var is the older way of declaring var...read more

bind is a method in JavaScript used to create a new function with a specified 'this' value and initial arguments.

• bind() returns a new function with the specified 'this' value and arguments.

• The original function is not called immediately when bind() is used.

• bind() can be used to partially apply arguments to a function.

• The bound function can be called with additional arguments.

• The 'this' value inside the bound function will always be the specified value.

Microservices architecture using Docker containers and Kubernetes for scalability and flexibility.

• Utilizes microservices architecture for modularity and scalability

• Docker containers used for easy deployment and management

• Kubernetes for orchestration and scaling of containers