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Because computer parts contain hazardous materials, there is a growing movement to recycle old and outdated parts. [66] Computer hardware contain dangerous chemicals such as lead, mercury, nickel, and cadmium. According to the EPA these e-wastes have a harmful effect on the environment unless they are disposed of properly.
Lab Pe Aati Hai Dua" (Urdu: لب پہ آتی ہے دعا; also known as "Bachche Ki Dua"), is a duʿā or prayer, in Urdu verse authored by Muhammad Iqbal in 1902. [1] The dua is recited in morning school assemblies almost universally in Pakistan , [ 2 ] [ 3 ] and in Urdu-medium schools in India .
A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
Rangaswamy Narasimhan (April 17, 1926 – September 3, 2007) was an Indian computer and cognitive scientist, regarded by many as the father of computer science research in India. [ 1 ] [ 2 ] He led the team which developed the TIFRAC , the first Indian indigenous computer [ 3 ] [ 4 ] and was instrumental in the establishment of CMC Limited in ...
A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a visual display , support electronics, power supply, housing , electrical connectors , and external user controls.
Typing on a laptop keyboard. A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
A 68451 MMU, which could be used with the Motorola 68010. A memory management unit (MMU), sometimes called paged memory management unit (PMMU), [1] is a computer hardware unit that examines all memory references on the memory bus, translating these requests, known as virtual memory addresses, into physical addresses in main memory.
A barebook computer (or barebone laptop) is an incomplete notebook PC.A barebone laptop is similar to a barebone computer, but in a laptop form.. As it leaves the factory, it contains only elements strictly tied to the computer's design (case, motherboard, display, keyboard, pointing device, etc.), and the consumer or reseller has to add standardized off-the-shelf components such as CPU and ...