One-time password (OTP) is a technical mechanism through which a single-use password is generated for the user and sent to a registered mobile number to access the website. It is also known as two-factor authentication.Many other portals like Paytm, Internet Banking often use the OTP mechanism to ensure user authenticity and prevent identity thefts.OTP means a frequently used password, which we usually receive via SMS.The One-Time Password system provides a mechanism to log in to a network or service using a unique password, which can only be used once, as its name suggests.OTP is generated randomly for verification of your transaction and is sent to your registered mobile number and registered email address.

PDF stands for PORTABLE DOCUMENT FORMAT and is used to display any type of document in electronic form. The PDF has been created by ADOBE SYSTEMS between- 1993 and 1994, since then it is used in a variety of documents.Till date, you must have used PDF file quite often, in mobile mobile computer, you must have used PDF file but do you know what type of PDF it is and how many types of PDF files are required and what are the benefits of it? Is and it never started, if you do not know then why read this article completely, why today I am going to give you complete information about the PDF, Ajit Thakur, I am with you, welcome to your knowledge world.

ATM has a full form (Automated Teller Machine) and it is called Automatic Teller Machine in Hindi.An ATM is an electro mechanical machine, which is used for financial transactions from a bank account. If we say in such a language, ATM is an automatic transaction machine. ATM is such an automated computerized machine with the help of which bank customers can withdraw money without going to the bank.And let all of you know that John Shepherd-Burron invented ATM in 1960.ATM is an electronic telecommunication device, which is used for financial transactions ie cash withdrawal, deposit and transfer to other bank, it makes the banking process very simple and easy in daily life.In this, each bank provides an ATM card to its account holder, through which it is able to manage their account with that plastic card.

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