Consider the following relation for published books: BOOK (Book title, Author_name, Book type, List price, Author affil, Publisher) Author_affil refers to the affiliation of author. Suppose the following dependencies exist: Book title → Publisher, Book type Book type → List price Author_name → Author affil (a) What normal form is the Book relation in? Why? (b) Decompose Book into 2NF relations. (c) Decompose Book into 3NF relations.

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Storage Devices

Storage devices can store digital information/data and applications (in the form of audio, video, image, etc.) to process the result of any computational work. They are a kind of computer hardware that stores information and instruction to be processed. A storage unit is a part of a computer system. Every computer has a storage device. The storage devices work as a memory. They are also known as a storage medium, digital storage, or storage media, which temporarily or permanently store information. They are used either internally or externally in the computer system, server, or any computation device to hold the information. Examples include a pen drive, CD, DVD, floppy disk, memory card and so forth.