Chapter 9 Exercise (MCQs and Short Qs) | 9th Computer - Lec 21

Описание: In this video, we cover the Exercise MCQs and Short Questions from 9th Class Computer Science – Chapter 9: Data Science and Data Gathering. This lecture will help you revise the whole chapter in a simple and easy-to-understand way.

👉 Along with the lecture, a PDF file of solved short questions is also attached for your convenience.
https://drive.google.com/file/d/1rkkK...

✨ Key topics revised through MCQs & Short Questions:

Understand Data Types: Difference between qualitative and quantitative data and their role in data analysis.

Organise and Analyse Data: Techniques for organizing structured and unstructured data to draw meaningful conclusions.

Utilize Data Collection Methods: Surveys, questionnaires, and online sources for effective data gathering.

Describe Data Storage Techniques: Spreadsheets, databases, data warehouses, and NoSQL applications.

Apply Data Visualization Techniques: Using charts and graphs to present information clearly.

Pre-process and Analyse Data: Data cleaning, pre-processing, and applying analysis methods.

Utilize Collaborative Tools and Cloud Computing: Importance of cloud storage, collaboration, and data protection.

Address Ethical Data Considerations: Privacy, confidentiality, and legal frameworks in secure data handling.

Explore Data Science Fundamentals: Definition, scope, and applications of data science in real life.

Understand Big Data and Its Applications: Volume, Velocity, Variety, and its uses in retail, healthcare, finance, and transportation.

Recognize Data Science Tools and Techniques: Excel, Python, R, SQL, predictive modelling, and graph analytics.

Recognize Future Trends in Data Handling: AI, machine learning, automation, and digital data management.

📚 Class: 9th Class Computer Science
📖 Chapter 9: Data Science and Data Gathering
📝 Content Covered: Exercise MCQs + Short Questions (with PDF attached)

By the end of this video, you will have a complete revision of Chapter 9 and will be fully prepared for your exams.

✅ Don’t forget to download the attached PDF for solved short questions.
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