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<p>Today, Computers and Smart phones are widespread. Programs are very required to operate computer. In the past, Program might be for calculation. Each program has it's own purpose, algorithm. To make program ( actually, computer program), we need to know what programming is, what programming language is.</p>
<h3>Definition of Programming</h3>
<p>Computer programming (often shortened to programming) is a process that leads from an original formulation of a computing problem to executable computer programs. -Wikipedia -</p>
<p>Above is definition of programming from Wikipedia. I think we have to know why we need computer program.</p>
<h3>Programming Language</h3>
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