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The iPad 2 is a tablet developed and marketed by Apple Inc. Compared to the first iPad, as the second model in the iPad line, it gained a faster dual core A5 processor, a lighter build structure with a flat, rather than curved, back, and was the first iPad to feature VGA front-facing and 720p rear-facing cameras designed for FaceTime video calling.
A binary prefix is a unit prefix that indicates a multiple of a unit of measurement by an integer power of two.The most commonly used binary prefixes are kibi (symbol Ki, meaning 2 10 = 1024), mebi (Mi, 2 20 = 1 048 576), and gibi (Gi, 2 30 = 1 073 741 824).
Early DVDs were mastered using DLT tape, [42] but using DVD-R DL or +R DL eventually became common. [43] TV DVD combos , combining a standard definition CRT TV or an HD flat panel TV with a DVD mechanism under the CRT or on the back of the flat panel, and VCR/DVD combos were also available for purchase.
The DECtape was a length of special 3/4-inch wide magnetic tape wound on 5-inch reels. The recording format was a highly reliable redundant 10-track design using fixed-length numbered data "blocks" organized into a standard file structure, including a directory.
The ASEA Brown Boveri (ABB) 5SNA2400E170100, [105] intended for three-phase power supplies, houses three n–p–n IGBTs in a case measuring 38 by 140 by 190 mm and weighing 1.5 kg. Each IGBT is rated at 1,700 volts and can handle 2,400 amperes
The New-York Daily Times debuted at 18 inches (460 mm) across. By the 1950s, the Times was being printed at 16 inches (410 mm) across. In 1953, an increase in paper costs to US$10 (equivalent to $113.88 in 2023) a ton increased newsprint costs to US$21.7 million (equivalent to $308,616,417.91 in 2023) On December 28, 1953, the pages were ...
An LED strip, tape, or ribbon light is a flexible circuit board populated by surface-mount light-emitting diodes (SMD LEDs) and other components that usually comes with an adhesive backing. Traditionally, strip lights had been used solely in accent lighting, backlighting, task lighting, and decorative lighting applications, such as cove lighting .
The size of CRTs increased over time, from 20 inches in 1938, [52] to 21 inches in 1955, [53] [54] 25 inches by 1974, 30 inches by 1980, 35 inches by 1985, [55] and 43 inches by 1989. [56] The world largest was the Sony KX45ED1 at 45 inches but only 1 know working model exists [ 57 ] [ 58 ] However, experimental 31 inch CRTs were made as far ...