The logical structure from the picture corresponds to the following symbol: ответ на тест 1056140 - Информатика

The logical structure from the picture

corresponds to the following symbol …

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Flicker
1. The first requirement to be met in image analysis is that the reproduced picture shall not flicker, since flicker induces severe visual fatigue. Flicker becomes more evident as the brightness of the picture increases. If flicker is to be unobjectionable at brightness suitable for home viewing during daylight as well as evening hours, the successive illuminations of the picture screen should occur no fewer than 50 times per second. This is approximately twice the rate of picture repetition needed for smooth reproduction of motion. To avoid flicker, therefore, twice as much channel space is needed as would suffice to depict motion.
2. The same disparity occurs in motion picture practice, in which satisfactory performance with respect to flicker requires twice as much film as is necessary for smooth simulation of motion. A way around this difficulty has been found, in motion pictures as well as in television, by projecting each picture twice. In motion pictures, the projector interposes a shutter briefly between film and lens while a single frame of the film is being projected.
3. In television, each image is analyzed and synthesized in two sets of spaced lines, one of which fits successively within the spaces of the other. Thus the picture area is illuminated twice during each complete picture transmission, although each line in the image is present only once during that time. This technique is feasible because the eye is comparatively insensitive to flicker when the variation of light is confined to a small part of the field of view.  
4. It is thus possible to avoid flicker and simulate rapid motion by a picture rate of about 25 per second, with two screen illuminations per picture. The precise value of the picture-repetition rate used in a given region has been chosen by reference to the electric power frequency that predominates in the region.  
 (Encyclopedia Britannica)
Определите основную идею текста.

The Fibonacci numbers are the numbers in the following integer sequence 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765 where each subsequent number is the sum of the previous two. Within the range from 1111111 to 222222222 there are so many as ____ Fibonacci numbers.

The size of the black and white image is 12,5*15 cm. The resolution is 600 dots per inch (1 inch = 2,5 cm). The image has 256 tone gradation (shades of gray). The  file size of the uncompressed image file on the hard drive formatted with a cluster size of 16 Kb is _____ Kb.

There are four types of products in four warehouses. It is known that every warehouse can contain only whole number of every product. The following table was obtained as a result of the audit before sales as a standardized accumulated histogram:  



The manager allowed to sell only one type of product from every warehouse the one that is in maximum in this warehouse. One of the stockmen disrupted instruction and sold a few units of another product. After the sale there was one more audit the result of which are shown in the picture.  


The warehouse and the number of good that was sold against the manager’s instruction is as follows … (First give the number of warehouse and then the number of good separated by comma without space, for example 3,4).

The number

was converted from decimal to binary system. The binary representation will contain ____ units (1).