Screen recording is the method that helps to show activities on a laptop or PC screen to any other individual in video format to make any tutorial easier for them. The use of Screen Recording is increasing day by day on both Desktop & Mobile devices. That is why the latest feature to Record Screen in Windows 11 is introduced.

However, the process of Recording Screens on Windows has existed even before the Windows 11 version. In the Windows 11 version, some more alternatives are provided to Capture Windows 11 Screen Activities in the Video Format. All of these alternatives come up with Windows, so they are not flagged as Third-Party Applications.

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Microsoft Word is the mostly used software for writing any document in a good manner. MS Word also offers a special function that helps to provide a Watermark to the document. A Watermark is a special feature that helps to restrict any individual to copy the content directly. But sometimes, there is a need to remove the watermark present in the Microsoft Word document. For removing the watermark, for which we’re going to see the best two methods how to remove a watermark in Microsoft Word.

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Spyware is malicious software that enters a user’s computer, collects device and user data, and sends it to third parties without their consent. A commonly accepted definition of spyware is a chain of malware designed to access and damage a device without user consent.

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Encryption

It is nothing but a simple process in which we convert our data or information into secret code to prevent it from unauthorized access and keep it private and secure.

First, we will select an image, and then we will convert that image into a byte array due to which the image data will be totally converted into numeric form, and then we can easily apply the XOR operation to it. Now, whenever we will apply the XOR function on each value of the byte array then the data will be changed due to which we will be unable to access it. But we should remember one thing here our encryption key plays a very important role without that key we can not decrypt our image. It acts as a password to decrypt it.

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Encryption is the process of encoding the data. i.e converting plain text into ciphertext. This conversion is done with a key called an encryption key.

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The risk of losing data is an issue when working with Excel sheets and learning their shortcuts. Using the CONCATENATE technique is one approach to combining cells without losing data.

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RSA decryption is slower than encryption because while doing decryption, private key parameter ” d ” is necessarily large. Moreover the parameters – ” p and q ” are two very large Prime Numbers. Given integers c, e, p and q, find m such that c = pow(m, e) mod (p * q) (RSA decryption for weak integers).

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The OTP is a numeric code that is randomly and uniquely generated during each authentication event. This adds an additional layer of security, as the password generated is fresh set of digits each time an authentication is attempted and it offers the quality of being unpredictable for the next created session.

The two main methods for delivery of the OTP is:

1. SMS Based: This is quite straightforward. It is the standard procedure for delivering the OTP via a text message after regular authentication is successful. Here, the OTP is generated on the server side and delivered to the authenticator via text message. It is the most common method of OTP delivery that is encountered across services.
2. Application Based: This method of OTP generation is done on the user side using a specific smartphone application that scans a QR code on the screen. The application is responsible for the unique OTP digits. This reduces wait time for the OTP as well as reduces security risk as compared to the SMS based delivery.

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