CBSE Class 12 Informatics Practices — Flashcards
CBSE Class 12 Informatics Practices flashcards, chapter by chapter — 586 flashcards across 7 chapters. Follows the CBSE syllabus.
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- Check the answer — mark the cards you got wrong.
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Chapter-Wise Flashcards — 7 Chapters
Q: SQL फ़ंक्शनों को किस आधार पर वर्गीकृत किया जाता है, कि वे कितनी पंक्तियों पर कार्य करते हैं?
A: SQL फ़ंक्शंस को सिंगल रो फ़ंक्शंस और एग्रीगेट फ़ंक्शंस में वर्गीकृत किया गया है। सिंगल रो फ़ंक्शंस एक बार में एक पंक्ति पर कार्य करते हैं और प्रति पंक्ति एक मान लौटाते हैं। एग्रीगेट फ़ंक्शंस पंक्तियों
Q: What are SQL functions classified into, based on how many rows they act on?
A: SQL functions are classified into Single row functions and Aggregate functions. Single row functions act on one row at a time and return one value per row. Aggregate functions act on a set of rows and
Q: What is another name for Single row functions?
A: Single row functions are also known as Scalar functions. They can be used in the SELECT, WHERE, and ORDER BY clauses.
Q: एन.यू.पी.एम. का क्या अर्थ है, और इसका उपयोग क्यों किया जाता है?
A: NumPy का मतलब है Numerical Python. यह संख्यात्मक और वैज्ञानिक संगणना के लिए एक पायथन लाइब्रेरी है। यह एक बहुआयामी सरणी वस्तु का उपयोग करता है जिसे ndarray कहा जाता है, और इसके तत्व त्वरित पहुंच के लिए
Q: What does NumPy stand for, and why is it used?
A: NumPy stands for Numerical Python. It is a Python library for numerical and scientific computing. It uses a multidimensional array object called ndarray, and its elements stay together in memory for q
Q: What does Pandas stand for, and what is its main purpose?
A: Pandas stands for PANelData. It is a high-level data manipulation library built on NumPy and Matplotlib. It is used for analysing, manipulating, importing, and exporting data in an organised way.
Q: What is the main purpose of descriptive statistics in Pandas?
A: Descriptive statistics are used to summarize data and get a basic idea about it. They help show patterns such as maximum, minimum, average, middle value, spread, and repeated values in a DataFrame.
Q: पांडा में वर्णनात्मक सांख्यिकी का मुख्य उद्देश्य क्या है?
A: वर्णनात्मक आँकड़े डेटा को संक्षेप में प्रस्तुत करने और इसके बारे में एक बुनियादी विचार प्राप्त करने के लिए उपयोग किए जाते हैं। वे डेटाफ़्रेम में अधिकतम, न्यूनतम, औसत, मध्य मान, प्रसार और दोहराए गए मान
Q: DataFrame.max() क्या करता है?
A: DataFrame.max() डेटा प्रकार की परवाह किए बिना डेटाफ़्रेम से अधिकतम मानों की गणना करता है। उदाहरण के लिए, एक marks डेटाफ़्रेम में यह प्रत्येक विषय में उच्चतम अंक देता है, और पाठ के लिए यह वर्णानुक्रम म
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Where can I find CBSE Class 12 Informatics Practices Flashcards?
This page has flashcards for 7 chapters of CBSE Class 12 Informatics Practices for the board exams 2027. Each chapter links to its own page with the full set.
How should I prepare for CBSE Class 12 Informatics Practices board exams?
Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.
How do I use flashcards for CBSE Class 12 Informatics Practices?
Read the question side, answer it in your head, then check. Put the cards you got wrong back into the pile and review them again the next day. Short daily sessions work better than long ones.
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CBSE Class 12
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