CBSE Class 12 Informatics Practices — Flashcards for Quick Revision
Practice flashcards for CBSE Class 12 Informatics Practices. Quick question-and-answer cards for every chapter to boost memory and revision speed.
Quick Summary
Chapter-wise flashcards for CBSE Class 12 Informatics Practices. Each card has a question on the front and answer on the back — perfect for quick daily revision using active recall.
How to Use Flashcards
- Read the question — try to answer it in your head before flipping.
- Check the answer — compare your answer. Mark cards you got wrong for repeat review.
- Spaced repetition — review difficult cards more often. Easy cards can be spaced out.
- 10–15 minutes daily — short, consistent sessions are more effective than marathon cramming.
Chapter-Wise Flashcards — 7 Chapters
Preview flashcards for each chapter. Each card tests one key concept, definition, or formula from CBSE Class 12 Informatics Practices.
Querying and SQL Functions
84 cardsQ: 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.
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Data Handling using Pandas - I
90 cardsQ: 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.
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Data Handling using Pandas - II
86 cardsQ: 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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Practice All Flashcards — FreeGet chapter-wise help for CBSE Class 12 Informatics Practices
Super Tutor gives you detailed chapter summaries, revision notes, practice quizzes, and flashcards — all tailored to the CBSE syllabus.
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Where can I find CBSE Class 12 Informatics Practices Flashcards?
This page provides flashcards for CBSE Class 12 Informatics Practices for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.
Is CBSE Class 12 Informatics Practices easy to score in?
Informatics Practices is one of the scoring subjects in CBSE Class 12 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.
How to prepare for CBSE Class 12 Informatics Practices board exam?
Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.
How do flashcards help in CBSE Class 12 Informatics Practices preparation?
Flashcards use active recall — one of the most effective study techniques. By testing yourself with question-answer cards, you remember concepts 3× longer than passive reading. Use them daily for 10–15 minutes.
Browse Flashcards by Chapter
7 chapters available
More Informatics Practices Resources
CBSE Class 12
Practice Quiz
Test yourself with interactive quizzes
Important Questions
Board exam-style questions with marking scheme
Revision Notes
Key formulas, concepts, and quick revision points
Formula Sheet
Every formula you need in one place
Chapter Summary
Understand each chapter at a glance
Concept Maps
Visual diagrams showing how topics connect
Study Plan
Day-by-day preparation schedule
Syllabus
Complete topic list and marks distribution
NCERT Solutions
Every textbook exercise solved step by step