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  2. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

  3. List of AMD K6 processors - Wikipedia

    en.wikipedia.org/wiki/List_of_AMD_K6_processors

    Model Number Frequency FSB Multiplier Voltage TDP Socket Release Date Order Part Number(s) Release price ()K6-2 200: 200 MHz: 66 MHz: 3.0x: 2.2 V? Socket 7? AMD-K6-2/200AFR

  4. Rayleigh number - Wikipedia

    en.wikipedia.org/wiki/Rayleigh_number

    In fluid mechanics, the Rayleigh number (Ra, after Lord Rayleigh [1]) for a fluid is a dimensionless number associated with buoyancy-driven flow, also known as free (or natural) convection. [2] [3] [4] It characterises the fluid's flow regime: [5] a value in a certain lower range denotes laminar flow; a value in a higher range, turbulent flow.

  5. Early ITU model - Wikipedia

    en.wikipedia.org/wiki/Early_ITU_Model

    The ITU vegetation model is a radio propagation model that estimates the path loss encountered due to the presence of one or more trees inside a point to point telecommunication link. The predictions found from this model is congruent to those found from Weissberger's modified exponential decay model in low frequencies.

  6. Computer performance by orders of magnitude - Wikipedia

    en.wikipedia.org/wiki/Computer_performance_by...

    1.12×10 36: Estimated computational power of a Matrioshka brain, assuming 1.87×10 26 watt power produced by solar panels and 6 GFLOPS/watt efficiency. [ 21 ] 4×10 48 : Estimated computational power of a Matrioshka brain whose power source is the Sun , the outermost layer operates at 10 kelvins , and the constituent parts operate at or near ...

  7. Decade (log scale) - Wikipedia

    en.wikipedia.org/wiki/Decade_(log_scale)

    Four powers of 10 spanning a range of three decades: 1, 10, 100, 1000 (10 0, 10 1, 10 2, 10 3) Four grids spanning three decades of resolution: One thousand 0.001s, one-hundred 0.01s, ten 0.1s, one 1. One decade (symbol dec [1]) is a unit for measuring ratios on a logarithmic scale, with one decade corresponding to a ratio of 10 between two ...

  8. Hata model - Wikipedia

    en.wikipedia.org/wiki/Hata_model

    The Hata model is a radio propagation model for predicting the path loss of cellular transmissions in exterior environments, valid for microwave frequencies from 150 to 1500 MHz. It is an empirical formulation based on the data from the Okumura model , and is thus also commonly referred to as the Okumura–Hata model . [ 1 ]

  9. E.161 - Wikipedia

    en.wikipedia.org/wiki/E.161

    E.161 is an ITU-T Recommendation that defines the arrangement of digits, letters, and symbols on telephone keypads and rotary dials. It also defines the recommended mapping between the basic Latin alphabet and digits (e.g., "DEF" on 3). [1] Uses for this mapping include: Multi-tap and predictive text systems. Forming phonewords from telephone ...