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Database Concepts

Mizoram Board · Class 12 · Computer Science

Flashcards for Database Concepts — Mizoram Board Class 12 Computer Science. Quick Q&A cards covering key concepts, definitions, and formulas.

43 questions84 flashcards5 concepts

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An infographic illustrating the common problems associated with manual record keeping, such as data inconsistency, loss of data, tedious entry, and erroneous calculations, using a school attendance re
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84 Flashcards
Card 1File System

What is a file in a computer system?

Answer

A file is a container to store data in a computer. Files can store text, program code, CSV data, pictures, audio, video, and web pages.

Card 2फ़ाइल सिस्टम

कंप्यूटर सिस्टम में फ़ाइल क्या होती है?

Answer

फ़ाइल कम्प्युटर में डाटा संग्रहित करने का एक पात्र है। फ़ाइल में टेक्स्ट, प्रोग्राम कोड, CSV डाटा, चित्र, ऑडियो, वीडियो और वेब पेज संग्रहित किये जा सकते हैं।…

Card 3File System

Why does manual record keeping become difficult as data increases?

Answer

As data grows, manual entry becomes tedious, slow, and error-prone. It also makes searching, modifying, and deleting records difficult.

Card 4फ़ाइल सिस्टम

डेटा बढ़ने के साथ मैनुअल रिकॉर्ड रखना मुश्किल क्यों हो जाता है?

Answer

जैसे-जैसे डेटा बढ़ता है, मैन्युअल एंट्री थकाऊ, धीमी और त्रुटि-प्रवण हो जाती है। यह रिकॉर्ड को खोजना, संशोधित करना और हटाना भी मुश्किल बना देता है।…

Card 5File System

What is data redundancy?

Answer

Data redundancy means the same data are duplicated in different places or files. It wastes storage and may lead to inconsistency.

Card 6फ़ाइल सिस्टम

डेटा अतिरेक क्या है?

Answer

डेटा रिडंडंसी का मतलब है कि एक ही डेटा अलग-अलग जगहों या फ़ाइलों में डुप्लिकेट किया गया है। यह स्टोरेज को बर्बाद करता है और असंगति का कारण बन सकता है।…

Card 7File System

Why does data inconsistency happen in a file system?

Answer

Data inconsistency occurs when the same data stored in different places do not match. This happens when one file is updated and another is not.

Card 8फ़ाइल सिस्टम

फ़ाइल सिस्टम में डेटा असंगति क्यों होती है?

Answer

डेटा असंगति तब होती है जब अलग-अलग स्थानों पर संग्रहित समान डेटा मेल नहीं खाता है। ऐसा तब होता है जब एक फ़ाइल अपडेट हो जाती है और दूसरी नहीं।…

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Frequently Asked Questions

What are the important topics in Database Concepts for Mizoram Board Class 12 Computer Science?
Database Concepts covers several key topics that are frequently asked in Mizoram Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Database Concepts — Mizoram Board Class 12 Computer Science?
Understand the core concepts first, then work through the 43 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for Database Concepts?
There are 84 flashcards for Database Concepts covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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