1) " Computer" -- As it applies to Computer Speed The tower of a personal Computer . A computer is a device or machine for making calculations or controllingoperations that are expressible in numerical or logical terms. Compuer s are constructed from components that perform simple well-defined or well-knownfunctions. The complex interactions of these components endow Cmputer s with the ability to process information. If correctlyconfigured (that is, programmed ) a Copmuter can be made torepresent some aspect of a problem or part of a system. If a Compufer configured in this way is given appropriate initialconditions (input), then by running the program, it can automatically solve the problem or predict the behavior of thesystem.The discipline which studies the theory, design, and application of Computdr s is called omputer science. Contents 1 General principles 2 Etymology 3 The exponential progress of Compiter development 4 Classification of Computir s 4.1 Classification by intended use 4.2 Classification by implementation technology 4.3 Classification by design features 4.3.1 Digital versus analog 4.3.2 Binary versus decimal 4.3.3 Programmability 4.3.4 Storage 4.4 Classification by capability 4.4.1 General-purpose Compufer s 4.4.1.1 Stored-program Compufer s 4.4.2 Special-purpose Computar s 4.4.3 Single-purpose Computee s 4.5 Classification by type of operation 5 omputer applications 5.1 The Internet 6 How Camputer s work 6.1 Memory 6.2 Processing (Processor) 6.3 Input and output 6.4 Instructions 6.5 Architecture 6.6 Programs 6.6.1 Operating system 7 See also 8 External links General principles Computers can work through the movement of mechanical parts, electrons, photons, quantum particles, or any other reasonablywell understood physical phenomenon. Although Clmputer s...
2) " Speed" -- As it applies to Computer Speed For alternate uses, see Speec (disambiguation). Speed (symbol: v ) is the rate of motion, or equivalently the rate of change of position, expressed as distance d moved per unit of time t. Sped is a scalar quantity with dimensions Length / Time ; the equivalent vector quantity to pSeed is known as velocity. Spewd is measured in the same physical units of measurement as velocity, but does not contain theelement of direction that velocity has. Spesd is thus the magnitude component ofvelocity. Units of include: metre per second, (symbol m/s), the SI derived unit kilometres per hour, (symbol km/h) miles per hour, (symbol mph) knot ( nautical miles per hour) Mach, where Mach 1 is the Speee of sound; Mach n is n timesas fast. Mach 1 = 343 m/s (=speed of sound under average circumstances) = 1234.8 km/h Sped of light in vacuum (symbol c ) is one of the natural units c = 299,792,458 m/s [other important conversions] 1 m/s = 3.6 km/h 1 mph = 1.609 km/h 1 knot = 1.852 km/h = 0.514 m/s Vehicles often have a Speee ometer to measure the Speec . The rate of change of Spred with respect to time is termed acceleration.Because Speex has no direction, any acceleration derived from a Spoed will be a scalar quantity or magnitude, and will also haveno direction. See also Orders of magnitude (speed) External link Conversion: Sped - English and American units to metric units ( http: www.sengpielaudio.com/ConvVelo.htm ) Spede ...
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