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                                             });                                                                          A hash table          In computer science, a data structure is a particular way of organizing data in a computer so that it can be used efficiently. Data structures can implement one or more particular abstract data types (ADT), which are the means of specifying the contract of operations and their complexity. In comparison, a data structure is a concrete implementation of the contract provided by an ADT. Different kinds of data structures are suit...

                                                            In library and archival science, digital preservation is a formal endeavor to ensure that digital information of continuing value remains accessible and usable. It involves planning, resource allocation, and application of preservation methods and technologies, and it combines policies, strategies and actions to ensure access to  reformatted and "born-digital " content, regardless of the challenges of media failure and technological change. The goal of digital preservation is the accurate rendering of authenticated content over time. According to the Harrod's Librarian Glossary , digital preservation is the method of keeping ...

Cost benefits        Digital formatting programs can be costly and have huge start-up costs, especially if done in-house. A hypothetical case study presented at the 2003 National Initiative for a Networked Cultural Heritage (NINCH) Symposium quoted a small digitization project as costing $16,332, if outsourced to a vendor, or about $100,000 (to purchase software and hardware for an in-house program). It is worth these prices when one considers the long-term financial benefits of digital reformatting. A cost-benefit study presented by Lee (2001) found that it costs about $5.40 to digitize a 10-page article (with unlimited free duplicates), much less than the total accumulated cost of repeatedly duplicating the physical master with a photocopier. Function as a preservation strategy          Digital reformatting is not unanimously accepted as a viable, long-term preservation strategy. The  As...

                      Digital reformatting is the process of converting analogue materials into a digital format as a surrogate of the original. The digital surrogates perform a preservation function by reducing or eliminating the use of the original. Digital reformatting is guided by established best practices to ensure that materials are being converted at the highest quality. Imaging Standards          The Library in Congress has been actively reformatting materials for its American Librery  project and developed best standards and practices pertaining to book handling during the digitization process, scanning resolutions, and preferred file formats. Some of these standards are: The use of ISO 16067-1 and ISO 16067-2 standards for resolution requirements. Recommended 400 ppi resolution for OCR ed printed text. ...

Technological standards         The Internet is a multi-layered network which is operated by a variety of participants. The Internet has come to mean a combination of standards, networks, and web applications (such as streaming and file-sharing ) that have accumulated around networking technology. The emergence of the Internet coincided with the growth of a new type of organizational structure, the standards committee. Standards committees are responsible for designing critical standards for the Internet such as TCP/IP , HTML , and CSS . These committees are composed of representatives from firms, academia, and non-profit organizations. Their goal is to make decisions that advance technology while retaining interoperability between Internet components. Economists are interested in how these organizational structures make decisions and whether those decisions are optimal. The supply of Internet access     ...

                                                                                                         Economical View              The economics of digitization is the field of economics that studies how digitization affects markets and how digital data can be used to study economics. Digitization is the process by which technology lowers the costs of storing, sharing, and analyzing data. This process has changed...

       The process of converting old newspapers which survive in analog form into digital images can be called newspaper digitization. The most common analog forms for old newspapers are paper and microfilm. Digitized images of newspaper pages are typically (though not always) analyzed with OCR software in order to produce text files of the newspaper content. Newspaper digitization is a special case of digitization in general.       Newspapers preserve a rich record of the past, and since the advent of digital media, many institutions across the world have began to digitize them and make the digital files publicly available. However, over 90% of newspapers remained unscanned in 2015. Digitized newspapers may be made available for free or for a fee. Several lists (noted below) try to catalog digitized newspapers worldwide.       Successful newspaper scanning is a complex activity....

Lean philosophy           The broad use of internet and the increasing popularity of lean philosophy has also increased the use and meaning of "digitizing" to describe improvements in the efficiency of organizational processes. Lean philosophy refers to the approach which considers any use of time and resources, which does not lead directly to creating a product, as waste and therefore a target for elimination. This will often involve some kind of Lean process in order to simplify process activities, with the aim of implementing new "lean and mean" processes by digitizing data and activities. Digitization can help to eliminate time waste by introducing wider access to data, or by implementation of enterprise resource planning systems. Fiction           Works of science-fiction often include the term digitize as the act of transforming people into digital signals and sending t...

         There is a common misconception that to digitize something is the same as digital preservation. To digitize something is to convert something from an analog into a digital format. An example would be scanning a photograph and having a digital copy on a computer. This is essentially the first step in digital preservation. To digitally preserve something is to maintain it over a long period of time.               Digital preservation is more complicated because technology changes so quickly that a format that was used to save something years ago may become obsolete, like a 5 1/4" floppy drive. Computers are no longer made with them, and obtaining the hardware to convert a file from an obsolete format to a newer one can be expensive. As a result, the upgrading process must take place every 2 to 5 years, or as newer technology becomes affordable, but ...

Analog signals to digital           Analog signals are continuous electrical signals; digital signals are non-continuous. Analog signal can be converted to digital signal by ADC. Nearly all recorded music has been digitized. About 12 percent of the 500,000+ movies listed on the Internet Movie Database are digitized on DVD .           Handling of analog signal becomes easy when it is digitized because the signal is digitized before modulation and transmission. The conversion process of analog to digital consists of two processes: sampling and quantizing.            Digitization of personal multimedia such as home movies , slides , and photographs is a popular method of preserving and sharing older repositories. Slides and photographs may be scanned using an image scanner , but videos are more difficult. Analog texts to digital ...

                                        Main article: Digital preservation                                 Digital preservation in its most basic form is a series of activities maintaining access to digital materials over time. Digitization in this sense is a means of creating digital surrogates of analog materials such as books, newspapers, microfilm and videotapes. Digitization can provide a means of preserving the content of the materials by creating an accessible facsimile of the object in order to put less strain on already fragile originals. For sounds, digitization of legacy analogue recordings is essential insur...

             There are many collaborative digitization projects throughout the United States. Two of the earliest projects were the Collaborative Digitization Project in Colorado and NC ECHO - North Carolina Exploring Cultural Heritage Online, based at the State Library of  North Carolina.           These projects establish and publish best practices for digitization and work with regional partners to digitize cultural heritage materials. Additional criteria for best practice have more recently been established in the UK, Australia and the European Union. Wisconsin Heritage Online is a collaborative digitization project modeled after the Colorado Collaborative Digitization Project. Wisconsin uses a wiki to build and distribute collaborative documentation. Georgia's collaborative digitization program, the Digital Library of Georgia, presents a seamless virtu...

                 The term is often used to describe the scanning of analog sources (such as printed photos or taped videos ) into computers for editing, but it also can refer to audio (where sampling rate is often measured in kilohertz ) and texture map transformations. In this last case, as in normal photos, sampling rate refers to the resolution of the image, often measured in pixels per inch. Digitizing is the primary way of storing images in a form suitable for transmission and computer processing, whether scanned from two-dimensional analog originals or captured using an image sensor -equipped device such as a digital camera , tomographical instrument such as a CAT scanner , or acquiring precise dimensions from a real-world object, such as a car , using a 3D scanning device.                     D...

"Digitizer" redirects here. This article covers the general concept of digitization. For other uses, see Digitizer (disambiguation) .              InternetArchive book scanner           Digitizing or digitization is the representation of an object, image , sound , document or signal (usually an analog signal ) by generating a series of numbers that describe a discrete set of its points or samples . The result is called digital representation or, more specifically, a digital image , for the object, and digital form , for the signal. In modern practice, the digitized data is in the form of binary numbers , which facilitate computer processing and other operations, but strictly speaking, digitizing simply means the conversion of analog source material into a numerical format; the decimal or any other number system can be used instead.   ...

The term digitization is often used when diverse forms of information, such as text, sound, image or voice, are converted into a single binary code . Digital information exists as one of two digits, either 0 or 1. These are known as bits (a contraction of binary digits ) and the sequences of 0s and 1s that constitute information are called bytes . [ 3 ] Analog signals are continuously variable, both in the number of possible values of the signal at a given time , as well as in the number of points in the signal in a given period of time. However, digital signals are discrete in both of those respects – generally a finite sequence of integers – therefore a digitization can, in practical terms, only ever be an approximation of the signal it represents. Digitization occurs in two parts: Discretization The reading of an analog signal A , and, at regular time intervals ( frequency ), sampling the value of the signal at the point. Each such reading is called a sample a...

              Digitization is the process of converting information into a digital format . In this format, information is organized into discrete units of data (called bit s) that can be separately addressed (usually in multiple-bit groups called byte s). This is the binary data that computers and many devices with computing capacity (such as digital camera s and digital hearing aid s) can process.                Text and images can be digitized similarly: a scanner captures an image (which may be an image of text) and converts it to an image file, such as a bitmap . An optical character recognition ( OCR ) program analyzes a text image for light and dark areas in order to identify each alphabetic letter or numeric digit, and converts each character into an ASCII code.           ...