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<p>[[Youngjun Bhak]]</p>
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<p style="margin: 0cm 0cm 8pt"><span style="font-size: 16pt; line-height: 107%"><font size="+0">What is Programming, Language. And how to make a compiler? </font></span></p>
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<div style="margin: 0cm 0cm 8pt; text-indent: 328.5pt"><span style="font-size: 9pt; line-height: 107%">Bhak Youngjun, 20121213</span></div>
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<p style="margin: 0cm 0cm 8pt"><font size="+0"><span style="font-size: 9pt; line-height: 107%">Programming is making executable program logically and arithmetically. For that, we use programming language such as C++, Perl. But computer can&rsquo;t understand this language directly. So we need compiler to interpret programming language to </span><span style="background: white; color: rgb(47,47,47); line-height: 107%"><font size="2">object language that computer can understand and execute. </font></span></font></p>
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<p style="margin: 0cm 0cm 8pt"><span style="background: white; color: rgb(47,47,47); line-height: 107%"><font size="2">I will write this assay in order of Language, Programming and compiler to cover all of those topic.</font></span></p>
<p style="margin: 0cm 0cm 8pt"><span style="background: white; color: rgb(47,47,47); line-height: 107%"><font size="2">First of all, language can be defined as complex system of communication. For example, Korean and English is human language. Computer language is computer language. Cell to cell signal also complex system of communication. So, organic molecules such as DNA, hormone, glucose also can be language. Even inorganic things too. </font></span></p>
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<p style="margin: 0cm 0cm 8pt"><span style="background: white; color: rgb(47,47,47); line-height: 107%"><font size="2">Secondary, Programming can be simply defined as process that making executable computer programs. It means programming is some kind of writing lab manual, or protocol for machine written by programming language or even computer language. </font></span></p>
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<p style="margin: 0cm 0cm 8pt"><span><font size="2">However, as I said, it is hard for computer to read and understand programming language directly. So we need compiler to interpret programming language to computer. Compiler can made by combination of function dictionary library, For example, If{}&nbsp; = 1001001~100100. And interpreter that substitute sentence, function of programming language to computer language based on constructed function dictionary library.</font></span></p>