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Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [ 1 ] [ 2 ] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly recharged after ...
As a hit-driven business, the great majority of the video game industry's software releases have been commercial disappointments.In the early 21st century, industry commentators made these general estimates: 10% of published games generated 90% of revenue; [1] that around 3% of PC games and 15% of console games have global sales of more than 100,000 units per year, with even this level ...
How fast self-discharge in a battery occurs is dependent on the type of battery, state of charge, charging current, ambient temperature and other factors. [2] Primary batteries are not designed for recharging between manufacturing and use, and thus to be practical they must have much lower self-discharge rates than older types of secondary cells.
The feature was initially only available on the iPad (1st generation) until the release of iOS 4 a few months after the release of iPhone OS 3.2, which brought the feature to all iPhone and iPod Touch models that could run the operating system, with the exception of the iPhone 3G and the iPod touch (2nd generation) due to performance issues ...
Battery life for the 17-inch version is quoted at eight hours, with 80 percent of this charge remaining after 1,000 charge-discharge cycles. [ 31 ] At Apple's Worldwide Developers Conference (WWDC) on 8 June, 2009, it was announced that the 13-inch unibody MacBook would be upgraded and re-branded as a MacBook Pro, [ 32 ] leaving only the white ...
When the computer was not in use, contents of the memory were preserved as long as the main lead-acid battery remained charged. [15] The PowerBook 100 Power Manager was an integrated circuit , usually placed on the logic board of a PowerBook, [ 23 ] and was responsible for the power management of the computer. [ 23 ]
The Intel-based MacBook Pro is a discontinued line of Macintosh notebook computers sold by Apple Inc. from 2006 to 2021. It was the higher-end model of the MacBook family, sitting above the low-end plastic MacBook and the ultra-portable MacBook Air, and was sold with 13-inch to 17-inch screens.
Sony's first product was an electric rice cooker in the late 1940s. [18]Sony began in the wake of World War II. In 1946, Masaru Ibuka started an electronics shop in Shirokiya, [19] a department store building in the Nihonbashi area of Tokyo.