Hauser gave his approval and assembled a team to implement Wilsons model in hardware. Wilson and Furber led the design and they implemented it with a similar efficiency ethos as the The in-depth knowledge gained from designing the instruction set enabled the code to be very dense, the original aim of a principally ARM-based computer was achieved in with the release of the Acorn Archimedes.
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Digital camera — A digital camera or digicam is a camera that produces digital images that can be stored in a computer, displayed on a screen and printed. Most cameras sold today are digital, and digital cameras are incorporated into many devices ranging from PDAs, Digital and movie cameras share an optical system, typically using a lens with a variable diaphragm to focus light onto an image pickup device. The diaphragm and shutter admit the correct amount of light to the imager, just as with film, however, unlike film cameras, digital cameras can display images on a screen immediately after being recorded, and store and delete images from memory.
Many digital cameras can also record moving videos with sound, some digital cameras can crop and stitch pictures and perform other elementary image editing. The history of the camera began with Eugene F. Lally of the Jet Propulsion Laboratory. His idea was to take pictures of the planets and stars while travelling through space to give information about the astronauts position, unfortunately, as with Texas Instruments employee Willis Adcocks filmless camera in , the technology had yet to catch up with the concept.
Steven Sasson as an engineer at Eastman Kodak invented and built the first electronic camera using a charge-coupled device image sensor in , earlier ones used a camera tube, later ones digitized the signal. Early uses were military and scientific, followed by medical. In the mid to late s digital cameras became common among consumers, by the mids digital cameras had largely replaced film cameras, and higher-end cell phones had an integrated digital camera.
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By the beginning of the s, almost all smartphones had a digital camera. Cameras with a small sensor use a back-side-illuminated CMOS sensor, overall final image quality is more dependent on the image processing capability of the camera, than on sensor type. The resolution of a camera is often limited by the image sensor that turns light into that discrete signals. The brighter the image at a point on the sensor.
Depending on the structure of the sensor, a color filter array may be used. The number of pixels in the sensor determines the cameras pixel count, in a typical sensor, the pixel count is the product of the number of rows and the number of columns.
For example, a 1, by 1, pixel sensor would have 1,, pixels, final quality of an image depends on all optical transformations in the chain of producing the image. E-book — An electronic book is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. Although sometimes defined as a version of a printed book. Commercially produced and sold e-books are usually intended to be read on dedicated e-reader devices, however, almost any sophisticated computer device that features a controllable viewing screen can also be used to read e-books, including desktop computers, laptops, tablets and smartphones.
In the s, there was a trend of print and e-book sales moving to the Internet, where readers buy traditional paper books and e-books on websites using e-commerce systems. With e-books, users can browse through online, and then when they select and order titles. At the start of in the U. With e-books, lectronic bookmarks make referencing easier, and e-book readers may allow the user to annotate pages, although fiction and non-fiction books come in e-book formats, technical material is especially suited for e-book delivery because it can be searched for keywords. In addition, for programming books, code examples can be copied, E-book reading is increasing in the U.
The devices that are designed specifically for reading e-books are called e-readers, the idea of an e-reader that would enable a reader to view books on a screen came to Bob Brown after watching his first talkie. In , he wrote a book on this idea and titled it The Readies, although Brown came up with the idea intellectually in the s, early commercial e-readers did not follow his model.
Schuessler relates it to a DJ spinning bits of old songs to create a beat or a new song as opposed to just a remix of a familiar song. The inventor of the first e-book is not widely agreed upon and her idea behind the device was to decrease the number of books that her pupils carried to school. The first e-book may be the Index Thomisticus, a heavily annotated electronic index to the works of Thomas Aquinas, prepared by Roberto Busa beginning in , although originally stored on a single computer, a distributable CD-ROM version appeared in All these systems also provided extensive hyperlinking, graphics, and other capabilities, van Dam is generally thought to have coined the term electronic book, and it was established enough to use in an article title by FRESS was used for reading extensive primary texts online, as well as for annotation and online discussions in several courses, browns faculty made extensive use of FRESS, for example the philosopher Roderick Chisholm used it to produce several of his books.
Thus in the Preface to Person and Object he writes The book would not have been completed without the epoch-making File Retrieval, despite the extensive earlier history, several publications report Michael S. Hart as the inventor of the e-book. Tablet computer — Tablets often come equipped with sensors, including digital cameras, a microphone, and an accelerometer so images on screens are always displayed upright. The touchscreen display uses the recognition of finger or stylus gestures to replace the mouse, trackpad, tablets are typically larger than smartphones or personal digital assistants with screens 7 inches or larger, measured diagonally.
However much of a tablets functionality resembles that of a modern smartphone, tablets can be classified according to the presence and physical appearance of keyboards. Slates and booklets do not have a keyboard, and usually accept text. Hybrids, convertibles, and 2-in-1s do have physical keyboards, yet they also make use of virtual keyboards.
Some 2-in-1s have processors and operating systems like a full laptop, most tablets can use separate keyboards connected using Bluetooth. The format was conceptualized in the century and prototyped and developed in the last two decades of that century. In April , Apple released the iPad, the first mass-market tablet to achieve widespread popularity, thereafter in the s, tablets rapidly rose in ubiquity and became a large product category used for both personal and workplace applications.
The tablet computer and its operating system began with the development of pen computing. Throughout the 20th century devices with these characteristics have been imagined and created whether as blueprints, prototypes, a device more powerful than todays tablets appeared briefly in Jerry Pournelle and Larry Nivens The Mote in Gods Eye. Adults could also use a Dynabook, but the audience was children. In , the European Union initiated the NewsPad project, inspired by Clarke, Acorn Computers developed and delivered an ARM-based touch screen tablet computer for this program, branding it the NewsPad, the project ended in The operating system and platform design were later licensed to Sharp and Digital Ocean, in , Palm, Inc.
Barcode — A barcode is an optical, machine-readable, representation of data, the data usually describes something about the object that carries the barcode. Originally barcodes systematically represented data by varying the widths and spacings of parallel lines, later two-dimensional codes were developed, using rectangles, dots, hexagons and other geometric patterns in two dimensions, usually called barcodes although they do not use bars as such.
Barcodes originally were scanned by special optical scanners called barcode readers, later applications software became available for devices that could read images, such as smartphones with cameras. An early use of one type of barcode in a context was sponsored by the Association of American Railroads in the late s. Two plates were used per car, one on side, with the arrangement of the colored stripes encoding information such as ownership, type of equipment.
The plates were read by a scanner, located for instance, at the entrance to a classification yard. The project was abandoned after ten years because the system proved unreliable after long-term use. Barcodes became commercially successful when they were used to automate supermarket checkout systems and their use has spread to many other tasks that are generically referred to as automatic identification and data capture.
The very first scanning of the now ubiquitous Universal Product Code barcode was on a pack of Wrigley Company chewing gum in June , silver told his friend Norman Joseph Woodland about the request, and they started working on a variety of systems. Their first working system used ultraviolet ink, but the ink faded too easily and was expensive, convinced that the system was workable with further development, Woodland left Drexel, moved into his fathers apartment in Florida, and continued working on the system.
His next inspiration came from Morse code, and he formed his first barcode from sand on the beach, I just extended the dots and dashes downwards and made narrow lines and wide lines out of them.
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To read them, he adapted technology from optical soundtracks in movies and he later decided that the system would work better if it were printed as a circle instead of a line, allowing it to be scanned in any direction. IBM offered to buy the patent, but its offer was not high enough, philco purchased their patent in and then sold it to RCA sometime later. During his time as an undergraduate, David Collins worked at the Pennsylvania Railroad, immediately after receiving his masters degree from MIT in , he started work at GTE Sylvania and began addressing the problem.
Read and download single issues or subscriptions of your favorite magazines and sync your library to your home computer, smart phone and tablet seamlessly. Start reading your comics everywhere and download the Comic s application. The latest version of Comics now supports swiping to change pages and features a library.
Just place your comic book files anywhere on the device, press scan and Comics finds your comics for you. It also features pinch-to-zoom and a complete settings menu to configure Comics to your liking. The Archie Comics line of comic books is one of the most successful, longest running brands in the history of the comic industry.
Archie Comics have sold 1. Archie Comics has spawned characters whose popularity has spilled over into other media and who have become part of popular culture. Various comic reading enhancements have been. In the novel, published in after sixteen months of writing, Herman Melville recounts the Promethean quest of Captain Ahab, who, having lost a leg in an earlier battle with White Whale, is determined to catch the beast and destroy y it.
By the time readers meet Ahab, he is a vengeful, crazed, and terror-provoking figure, for Moby-Dick has come to represent for him all the evil in the world.
The relentless voyage of Ahab and his crew, a finely etched group of weird and wonderful characters who seem both flesh-and-blood individuals and symbolic of the varying qualities of men, becomes a masterful drama of life at sea. Through realistic storytelling, symbolic allegory, and allusive and figurative language, Melville achieves in Moby-Dick a special intensity that readers will marvel at, and not soon forget.
Wattpad is the best place to discover and share stories. Choose from over , free books, novels, fan fiction, short stories, poems and more. Vegas Pool Sharks. Angry Birds. Despicable Me: Minion Rush. Bloomberg Mobile.
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