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Lecture 22 Preprocessor Command #define #undef in C Language Hindi Video Lecture | C Programming for Beginners: From Zero to Hero (in Hindi) - Back-End Programming

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FAQs on Lecture 22 Preprocessor Command #define #undef in C Language Hindi Video Lecture - C Programming for Beginners: From Zero to Hero (in Hindi) - Back-End Programming

1. #define प्रीप्रोसेसर कमांड क्या है?

उत्तर: #define प्रीप्रोसेसर कमांड C भाषा में एक प्रीप्रोसेसर डिरेक्टिव है जो कंपाइलर को एक नाम या एक मैक्रो के लिए एक स्ट्रिंग वर्तमान करती है। यह उपयोगकर्ता द्वारा परिभाषित नामों को उपयोग करने की सुविधा प्रदान करता है जो बाद में प्रोग्राम के अन्य हिस्सों में इस्तेमाल किए जा सकते हैं।

2. #undef प्रीप्रोसेसर कमांड क्या करता है?

उत्तर: #undef प्रीप्रोसेसर कमांड C भाषा में एक प्रीप्रोसेसर डिरेक्टिव है जो पहले से परिभाषित नाम को अवरोधित करती है। यह उपयोगकर्ता द्वारा परिभाषित नामों को रद्द करने की सुविधा प्रदान करता है जो बाद में प्रोग्राम के अन्य हिस्सों में इस्तेमाल नहीं किए जाएंगे।

3. #define और #undef का उपयोग किसलिए किया जाता है?

उत्तर: #define और #undef प्रीप्रोसेसर कमांड उपयोगकर्ता को नाम स्ट्रिंग के साथ एक मैक्रो परिभाषित करने की सुविधा प्रदान करते हैं। यह उपयोगकर्ता को प्रोग्राम के भौतिक और वैश्विक नामों को परिभाषित करने में मदद करता है जो बाद में प्रोग्राम के अन्य हिस्सों में इस्तेमाल किए जा सकते हैं।

4. #define कमांड के उदाहरण क्या हैं?

उत्तर: एक उदाहरण के रूप में, हम एक संक्षेप मैक्रो को परिभाषित कर सकते हैं: #define PI 3.14 इसके बाद, हम इसे पूरे प्रोग्राम में उपयोग कर सकते हैं जैसे: float area = PI * radius * radius;

5. #undef कमांड के उदाहरण क्या हैं?

उत्तर: एक उदाहरण के रूप में, हम एक पहले से परिभाषित मैक्रो को रद्द कर सकते हैं: #undef PI इसके बाद, हम इसे पूरे प्रोग्राम में उपयोग नहीं कर सकते हैं और कोई त्रुटि उत्पन्न हो सकती है।

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	Dec 23, 2024 Last updated

Video Description: Lecture 22 Preprocessor Command #define #undef in C Language Hindi for Back-End Programming 2024 is part of C Programming for Beginners: From Zero to Hero (in Hindi) preparation. The notes and questions for Lecture 22 Preprocessor Command #define #undef in C Language Hindi have been prepared according to the Back-End Programming exam syllabus. Information about Lecture 22 Preprocessor Command #define #undef in C Language Hindi covers all important topics for Back-End Programming 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Lecture 22 Preprocessor Command #define #undef in C Language Hindi.

Introduction of Lecture 22 Preprocessor Command #define #undef in C Language Hindi in English is available as part of our C Programming for Beginners: From Zero to Hero (in Hindi) for Back-End Programming & Lecture 22 Preprocessor Command #define #undef in C Language Hindi in Hindi for C Programming for Beginners: From Zero to Hero (in Hindi) course. Download more important topics related with notes, lectures and mock test series for Back-End Programming Exam by signing up for free.

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