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How do you display x to the power of 2 on output screen using C Plus Plus?
Wiki User
∙ 12y ago
Use: cout << pow(x,2) << endl;
you need to include iostream and cmath. #include
Wiki User
∙ 12y ago
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Why output devices are required?
A display device such as a screen or monitor is an output device. Right from here we can already say that a display device is required to be able to visibly know what we are doing on a computer. (Even if you have a remote connection to that device you will be using a display device to view the contents of the remote device using another computers monitor.)Printers and speakers are examples of output devices. Printers are required to receive hard copies of information and Speakers are audio devices that are required to hear audible files.In short, without output devices will would not be able to view, hear, or hold data from a device.
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Advantages of using a touch screen?
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