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Additive color system
| Глоссарий по вычислительной технике |
- Система с аддитивным синтезом цвета
- The color system that uses light rather than pigment to create color. it is the system of digital media and computer screens. the additive primary colors are red, green, and blue and are often referred to by their initials rgb. it is called the additive color model because red, green and blue light are added together in various combinations to reproduce a broad array of colors.
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Combinations, английский
The number of combinations of n things taken k at a time is the number of ways of picking a subset of k of the n things, without replacement, and without regard to the order in which the elements of the subset are picked. the number of such combinations is nck = n!/(k!(n−k)!), where k! (pronounced "k factorial") is k×(k−1)×(k−2)× … × 1. the numbers nck are also called the binomial coefficients. from a set that has n elements one can form a total of 2n subsets of all sizes. for example, from the set {a, b, c}, which has 3 elements, one can form the 23 = 8 subsets {}, {a}, {b}, {c}, {a,b}, {a,c}, {b,c}, {a,b,c}. because the number of subsets with k elements one can form from a set with n elements is nck, and the total number of subsets of a set is the sum of the numbers of possible subsets of each size, it follows that nc0+nc1+nc2+ … +ncn = 2n. the calculator has a button (ncm) that lets you compute the number of combinations of m things chosen from a set of n things. to use the button, first type the value of n, then push the ncm button, then type the value of m, then press the "=" button.
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Ask system, английский
Система с амплитудной манипуляцией
Merchant system, английский
Система розничной торговли
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