However, as a new form of books, e-books have many characteristics different from or not possessed by traditional books: they must be read by computer equipment and displayed on the screen; It has the advantages of combining graphics, text, audio and video; Recyclable; Reproducible; It has a high cost performance; Have greater information content; There are more diverse distribution channels and so on. The list is as follows:
Convenient information retrieval. Improve the utilization rate of data.
The storage medium has a larger capacity than traditional books. Can hold more information.
The cost is lower. Compared with the capacity, the price of storage can be110-1100 or even lower than that of traditional media.
The content is richer. Digital data can include various data, such as graphics, text, audio and video.
Enhance readability. It can organize information more flexibly and make it easier for readers to read.
And the workload is reduced. It is more convenient to process all kinds of data on the computer.
More systematic. Only by organically combining all kinds of materials and referring to each other can we better understand the materials.
New methods, tools, forms and contents.
Paperless: E-books no longer rely on paper, but are replaced by magnetic storage media. Due to the high performance of magnetic media storage, a 700MB CD can replace the traditional 300 million-word paper books. This greatly reduces the consumption of wood and the occupation of space.
Multimedia: E-books are generally not just plain text, but add a lot of multimedia elements, such as images, sounds and videos. It enriches the carrier of knowledge to some extent.
Abundance: Due to the rapid development of the Internet, the electronic process of traditional knowledge has been accelerated. Basically, except for professional ancient books, most traditional books are put on the Internet, which gives e-book readers an almost unlimited source of knowledge.
Compared with paper books, e-books have the following advantages: simple production, no need for large-scale printing equipment, so the production cost is low; Does not occupy space; It is convenient to read in poor light; Text size and color can be adjusted; Can be recited by external voice software; There is no danger of damage. But the disadvantage is that it is easy to be illegally copied, which damages the interests of the original author; Staring at the electronic screen for a long time is harmful to vision; Some e-books protected by technology cannot be transferred to a second person to read.
The advantages of paper books are: reading does not consume electricity; Can be applied to any bright environment; Some collector's edition books are more collectible. The disadvantage is that it takes up too much space; It is not easy to copy and needs special equipment; Some proofreading errors will always exist; The price is more expensive. It consists of three elements: (1) the content of an e-book, which is mainly made in a special format. Books that can be spread on wired or wireless networks are generally organized by special websites. (2) E-book readers, including desktop personal computers, personal handheld digital devices (PDA) and specialized electronic devices, such as Hanlin E-books. (3) e-book reading software, such as ADOBE's Acrobat Reader, Glassbook's Glassbook, Microsoft's MicrosoftReader, Superstar's S SReader, etc. It can be seen that no matter the content of e-books, reading equipment, reading software of e-books, or even online publishing, they are all named as e-books.
Functions of e-books: You can subscribe to a variety of electronic periodicals, books and documents, automatically download the latest news and periodicals you subscribe to from the Internet, display full-page text and graphics, and enhance the reading experience through search, comments and hyperlinks. The page turning system is adopted, which is similar to the page turning of paper books. You can download online e-books to the e-reader at any time, and you can also store the books and documents you bought on the e-reader.
E-books are electronic versions of traditional printed books, which can be read by personal computers or e-book readers. E-books are popular because they allow operations similar to paper books-readers can bookmark a page, take notes, reverse select a paragraph, and save the selected article.
In addition, the e-book reader also includes a built-in dictionary, variable fonts and styles. The main format of e-books is PDF EXE CHM UMD PDG JAR PDB TXT, which is supported by many popular mobile devices. More books are downloaded in PDF format online, such as e-books.
E-books on mobile phones are becoming more and more popular. Most mobile phones with readers support reading e-books in TXT format. Some mobile phones without readers, such as Nokia 5300, can also support e-book reading by installing specific software such as "MOTOTXT". The download of TXT e-books is mostly in the form of forums, such as (Wandering Bookstore), which is a community with relatively complete resources and convenient download. E-books generally have two meanings, one is e-books, and the other is hand-held readers specialized in reading e-books.
The main formats of e-books are PDF, EXE, CHM, UMD, PDG, JAR, PDB, TXT, BRM, etc. Many popular mobile devices support their reading formats. The common e-book formats of mobile terminals are UMD, JAR and TXT.
E-book is a portable handheld electronic device, which is specially designed for reading books. It has a large-screen LCD, built-in Internet chip, and can easily buy and download digital books from the Internet. The large-capacity memory can store a large amount of digital information, and it can store about 30 traditional books at a time. Specially designed LCD technology can make people read comfortably for a long time.
E-books are portable, easy to use and large in capacity, which is very suitable for modern life. With the development of digital copyright trade and Internet technology, users of e-books can easily buy more books at lower prices, which lays the foundation for the popularization of e-books. Will e-books really bring new reading methods in the network age, and can they really replace traditional reading methods?
China has a wealth of PDA products, which can be roughly divided into three categories according to their functions:
First, it focuses on learning, and there are various English-Chinese translations and dictionaries, such as Yi Lian and Su Lian.
Second, business games are the main functions, such as notepad, calendar, exchange rate, stock market, sending and receiving emails, games and so on. , such as business communication, managers, celebrities, etc.
The third is PDA, which can surf the Internet wirelessly, and the operating system of WINDONSCE. . . Some PDA products already have the function of reading e-books. Although it is not perfect, after all, e-books are still in their infancy, and many of them are waiting to see, waiting for the right time and ready to go. There are SOFTBOOK, ABOOKY.COM and MICROSOFTREADER abroad, but there are no complete e-book products in China. Can it be developed, compatible with PDA or developed with reading as the main function? PDF format e-book free production tool
Lovely writer
Chm format e-book free production tool
Scrapbook 2Chm can extract web pages and make them into e-books
MicroSoft Html help compiler
E-books are usually stored in the form of CDs/floppy disks/Internet websites, and may appear in several ways according to different media: