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On April 5, 1999, Amir Ban, Dov Moran, and Oron Ogdan of M-Systems, an Israeli company, filed a patent application entitled "Architecture for a Universal Serial Bus-Based PC Flash Disk". [ 11 ] [ 3 ] The patent was subsequently granted on November 14, 2000, and these individuals have often been recognized as the inventors of the USB flash drive ...
Gross margin can be expressed as a percentage or in total financial terms. If the latter, it can be reported on a per-unit basis or on a per-period basis for a business. "Margin (on sales) is the difference between selling price and cost. This difference is typically expressed either as a percentage of selling price or on a per-unit basis.
Profit margin in an economy reflects the profitability of any business and enables relative comparisons between small and large businesses. It is a standard measure to evaluate the potential and capacity of a business in generating profits. These margins help business determine their pricing strategies for goods and services.
This interval is called the confidence interval, and the radius (half the interval) is called the margin of error, corresponding to a 95% confidence level. Generally, at a confidence level γ {\displaystyle \gamma } , a sample sized n {\displaystyle n} of a population having expected standard deviation σ {\displaystyle \sigma } has a margin of ...
The values of the joint distribution are in the 3×4 rectangle; the values of the marginal distributions are along the right and bottom margins. A marginal probability can always be written as an expected value : p X ( x ) = ∫ y p X ∣ Y ( x ∣ y ) p Y ( y ) d y = E Y [ p X ∣ Y ( x ∣ Y ) ] . {\displaystyle p_{X}(x)=\int _{y}p_{X\mid ...
In engineering, a factor of safety (FoS) or safety factor (SF) expresses how much stronger a system is than it needs to be for an intended load.Safety factors are often calculated using detailed analysis because comprehensive testing is impractical on many projects, such as bridges and buildings, but the structure's ability to carry a load must be determined to a reasonable accuracy.
Phase margin and gain margin are two measures of stability for a feedback control system. They indicate how much the gain or the phase of the system can vary before it becomes unstable. Phase margin is the difference (expressed as a positive number) between 180° and the phase shift where the magnitude of the loop transfer function is 0 dB.
Marginal profit at a particular output level (output being measured along the horizontal axis) is the vertical difference between marginal revenue (green) and marginal cost (blue).