<span>JPEG files </span><span> are a common file format for digital photos and other digital graphics so she would be looking for a picture
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Typical examples of real-time systems include Air Traffic Control Systems, Networked Multimedia Systems, Command Control Systems etc.
Simple...
Although we are not allowed to link in websites..(against guidelines) you can search up codeacademy, this is a place to learn to code.
Thus, your answer.