Use of bold,strong,italic,emphasize,underline in HTML

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<!DOCTYPE html>
<head> <title> basic html programs </title></head>
<body>
<b> the text is bold </b>
<br>
<strong> the text is bold </strong>
<br>
<i> the text is italic </i>
<br>
<em> the text is emphasized </em>
<br>
<u> the text is underlined </u>
</body>
</html>

Output :
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