i
KocharTech
Filter interviews by
Clear (1)
Variables in JavaScript are used to store data values.
Variables are declared using the 'var', 'let', or 'const' keywords.
Variables can store different types of data such as numbers, strings, arrays, objects, etc.
Variables can be reassigned with new values.
Variables are case-sensitive.
Example: var x = 5; let name = 'John'; const PI = 3.14;
The event loop is a mechanism in JavaScript that allows for asynchronous operations to be executed in a non-blocking way.
Event loop is responsible for handling asynchronous operations in JavaScript.
It continuously checks the call stack and the callback queue to see if there are any functions that need to be executed.
If the call stack is empty, the event loop will take a function from the callback queue and push it onto...
Event emitter in Node.js is a module that allows objects to emit and listen for events.
Event emitter is a built-in module in Node.js
It allows objects to emit named events that cause Function objects to be called
Example: const EventEmitter = require('events');
Example: const myEmitter = new EventEmitter();
Aggregation in MongoDB is a framework for performing data processing operations on documents within a collection.
Aggregation pipeline stages allow for data transformation, filtering, sorting, grouping, and more
Operators like $match, $group, $project, $sort, $limit, $skip are commonly used in aggregation
Aggregation results can be output to a new collection, returned inline, or used for further processing
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Oct 2019. There were 3 interview rounds.
I applied via LinkedIn and was interviewed before Dec 2020. There was 1 interview round.
C++ is an extension of C with object-oriented programming features.
C++ supports object-oriented programming while C does not.
C++ has classes and templates while C does not.
C++ has better support for function overloading and default arguments.
C++ has a standard library that includes many useful functions.
C++ allows for both procedural and object-oriented programming.
C++ is generally considered to be a more complex langu
I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before May 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Apr 2020. There was 1 interview round.
based on 1 interview
Interview experience
Customer Service Executive
228
salaries
| ₹0 L/yr - ₹0 L/yr |
Customer Support Executive
189
salaries
| ₹0 L/yr - ₹0 L/yr |
Customer Care Executive
179
salaries
| ₹0 L/yr - ₹0 L/yr |
Team Lead
135
salaries
| ₹0 L/yr - ₹0 L/yr |
Technical Support Executive
101
salaries
| ₹0 L/yr - ₹0 L/yr |
Wipro
HCLTech
Tech Mahindra
TCS