- Super Audio CD

Super Audio CD Media type Optical disc Encoding Digital (DSD) Capacity up to 7.95 GiB/GB Read mechanism 650 nm laser Developed by Sony & Philips Usage Audio storage Optical discs Optical disc Optical disc drive Optical disc authoring Authoring software Recording technologies Recording modes Packet writing Optical media types Blu-ray Disc (BD): BD-R, BD-RE DVD: DVD-R, DVD+R, DVD-R DL, DVD+R DL, DVD-R DS, DVD+R DS, DVD-RW, DVD+RW, DVD-RAM, DVD-D, HVD, EcoDisc Compact Disc (CD): Red Book, CD-ROM, CD-R, CD-RW, 5.1 Music Disc, SACD, PhotoCD, CD Video (CDV), Video CD (VCD), SVCD, CD+G, CD-Text, CD-ROM XA, CD-i Universal Media Disc (UMD) Enhanced Versatile Disc (EVD) Forward Versatile Disc (FVD) Holographic Versatile Disc (HVD) China Blue High-definition Disc (CBHD) HD DVD: HD DVD-R, HD DVD-RW, HD DVD-RAM High definition Versatile Multilayer Disc (HD VMD) VCDHD GD-ROM MiniDisc (MD) (Hi-MD) Laserdisc (LD) Video Single Disc (VSD) Ultra Density Optical [read more...]

- Em (typography)

An em is a unit of measurement in the field of typography. This unit defines the proportion of a given letter's width and height with respect to the point size of a given font (and is frequently expressed in decimal notation as, for example, .7em). Originally the unit was derived from the width of the capital "M" in the given typeface. This unit is not defined in terms of any specific typeface, and thus is the same for all fonts at a given point size. So, 1 em in a 16 point typeface is 16 points. Note that this term is not an acronym or initialism and is pronounced the same as the letter it refers to, the letter "M". History In metal type, the point size (and hence the em) is measured as the height of the metal body from which the letter rises. In metal type (possible overhangs aside), the physical size of a letter could not normally exceed the em. In digital type, the em is a grid of arbitrary resolution that is used as the design space of a digital font. Imaging systems, whether [read more...]

- CER-20

CER (Serbian: Цифарски Електронски Рачунар / Cifarski Elektronski Računar - Digital Electronic Computer) model 20 was an early digital computer developed by Mihajlo Pupin Institute (Serbia). It was designed as the "electronic bookkeeping machine". First prototype was planned for 1964. See also CER Computers Mihajlo Pupin Institute History of computer hardware in the SFRY · · Computer systems from Serbia 1980‑2000 TIM-100 • TIM-001 • TIM-600 • TIM-011 • • ATLAS-TIM AT 32 • Galaksija • Galaksija Plus • Pecom 32 • Pecom 64 • Lira XT • Lola 8 • PA512 • LPA512 1960‑1979 CER Computers (CER-10, CER-20, CER-200, CER-202, CER-22, CER-12, CER-203) • HRS-100 Theoretical NAR 1 • NAR 2 See also Full lists from Serbia • former Yugoslavia • World and history of computing in: Serbia • former Yugoslavia • World [read more...]

- Dual Scan

Dual Scan, also known as dual-scan supertwist nematic or DSTN, is an LCD technology in which a screen is divided into two sections which are simultaneously refreshed giving faster refresh rate than traditional passive matrix screens. It is an improved form of supertwist nematic display that offers low power consumption but inferior sharpness and brightness compared to TFT screens. For several years (late 90'es early 2000's), TFT screens were only found in high-end laptops due to them being more expensive and lower-end laptops offering DSTN screens only. This was at a time when the screen was often the most expensive component of laptops. The price difference between a laptop with DSTN and one with TFT could easily be $400 or more. However, TFT gradually became cheaper and has essentially captured the entire market. DSTN display quality is poor compared to TFT, with visible noise, smearing, much lower contrast and slow response. Such screens are unsuitable for viewing movies. [read more...]

- Eastman Kodak

Eastman Kodak Company (NYSE: EK) is a multinational US corporation which produces imaging and photographic materials and equipment. Long known for its wide range of photographic film products, Kodak is re-focusing on two major markets: digital photography and digital printing. Origins Kodak's origins rest with Eastman Dry Plate Company, and the General Aristo Company, founded by inventor George Eastman in Rochester and Jamestown, New York. The General Aristo Company was formed in 1899 in Jamestown New York, with George Eastman as treasurer, and this company purchased the stock of American Aristotype Company. George Eastman registered the trademark Kodak on September 4, 1888. The Eastman Kodak Company was founded by Eastman in 1892. He also coined the advertising slogan, "You press the button, we do the rest." The first model of the Kodak camera appeared in the year 1888. It took round pictures 2½ inches in diameter, was of the fixed focus type and carried a roll of film [read more...]

- IBM ThinkPad ThinkLight

ThinkLight is a keyboard light produced by Lenovo, and is present in most ThinkPad families of notebooks. A white or yellow LED (depending on model) is located on the top edge of the display, illuminating the keyboard to allow use in low-light conditions. It is activated with the key combination Fn-PgUp (the bottom left and top right keys of the keyboard). The on-screen display of ThinkPad computers will display a light on and a light off indicator. The ThinkLight can be activated when the monitor is on or off but not while the PC is off. Some ThinkPads, like the Z and R series (though not all - some R61 and R32 models still have the white light) feature an amber (yellow) LED due to the lower cost, while other models, like the T series, use a white LED (which is generally preferred). The SL series omits the ThinkLight. Imitations The HP EliteBook series notebooks contain a similar keyboard light called HP Night Light. Unlike the ThinkLight, it's activated by a physical button [read more...]

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Apple Macintosh Classic II

Bird view II

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