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Graphics are defined as any sketch or a drawing or a special network that pictorially represents some meaningful information. Computer Graphics is used where a set of images needs to be manipulated or the creation of the image in the form of pixels and is drawn on the computer. Computer Graphics can be used in digital photography, film, entertainment, electronic gadgets, and all other core technologies which are required. Computer Graphics can be used in UI design, rendering, geometric objects, animation, and many more. Multimedia is content that uses a combination of different content forms...

The book is all about techniques and methods used to encrypt and decrypt messages to avoid unnecessary tampering. Cryptography ensures confidentiality by encrypting sent messages using an algorithm with a key only known to the sender and recipient. It talks about the importance of message confidentiality and reliability when sent over networks. The book gives insight into the plight of data if not protected and ways of mishandling information.