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8 Ways to take Screenshot in windows,using built-in tools

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8 ways to take Screenshots in   windows,using built-in tools: Do you use windows you need to take sceenshot quickly? Do you have trouble withe prtscn key not working? Do you want to take screenshot of active window instead of whole screen?or may be you want to free-form screenshot of a particular area,and you want to capture the acheivements with a screenshot?it doesnot matter why you want to take a screenshot,these steps helps you so much. Note: This guideline applies to all modern windows like window 10,window 8,window 7,etc. 1.Use Keyboard Shortcut: Ctrl+prtscn(print screen) The first method is also the best known and it works in all versions of Windows: on your keyboard, press the  PrtScn  (Print Screen) key or  CTRL+PrtScn  keys. Windows creates a screenshot of the whole screen and saves it to the  clipboard . It is not stored as a file on your hard drive. Then, open an image editing program like  Paint  and paste the picture from t...
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Karnaugh map

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Logic Simplification With Karnaugh Maps The logic simplification examples that we have done so could have been performed with Boolean algebra about as quickly. Real world logic simplification problems call for larger Karnaugh maps so that we may do serious work. We will work some contrived examples in this section, leaving most of the real world applications for the Combinatorial Logic chapter. By contrived, we mean examples which illustrate techniques. This approach will develop the tools we need to transition to the more complex applications in the Combinatorial Logic chapter. We show our previously developed Karnaugh map. We will use the form on the right. Note the sequence of numbers across the top of the map. It is not in binary sequence which would be  00, 01, 10, 11 . It is  00, 01, 11 10 , which is Gray code sequence. Gray code sequence only changes one binary bit as we go from one number to the next in the sequence, unlike binary. That mean...
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Black Body Radiation

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Black Body Radiation  * A  black body  is one that absorbs all the EM radiation (light...) that strikes it. To stay in thermal equilibrium, it must emit radiation at the same rate as it absorbs it so a black body also radiates well. (Stoves are black.) Radiation from a hot object is familiar to us. Objects around room temperature radiate mainly in the infrared as seen the the graph below. If we heat an object up to about 1500 degrees we will begin to see a dull red glow and we say the object is red hot. If we heat something up to about 5000 degrees, near the temperature of the sun's surface, it radiates well throughout the visible spectrum and we say it is white hot. By considering plates in thermal equilibrium it can be shown that the emissive power over the absorption coefficient must be the same as a function of wavelength, even for plates of different materials.  It there were differences, there could be a net energy flow from one plate to the othe...
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