What is the purpose of inserting header and footer in the document?

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What is the purpose of inserting header and footer in the document? Answer: To allow page headers and footers to appear on document when it is printed

Question context

This question is part of 💻 Computing within the broader 💾 Computer Science subject and appears in the Education Testing Council by HEC preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.