Class 8 Computer & AI Chapter 2: Databases and Organising Data — practice questions with answers
Free practice for Class 8 Computer & AI, Chapter 2: Databases and Organising Data. Try the solved questions below, then take a free test with instant marking and explanations.
41 questions17 easy, 16 medium, 8 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. What is a database?
- An organised collection of data that can be stored, searched and updated easily
- A single photo
- A computer virus
- A type of keyboard
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Answer: A. An organised collection of data that can be stored, searched and updated easily
Why: School records, railway bookings and bank accounts all use databases. [NAL syllabus, Class 8 Unit 2]
Why: School records, railway bookings and bank accounts all use databases. [NAL syllabus, Class 8 Unit 2]
Q2. In a database table, each row that stores all details about one item (such as one student) is called a ______.
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Answer: record
Why: A record = one row. [NAL syllabus, Class 8 Unit 2]
Why: A record = one row. [NAL syllabus, Class 8 Unit 2]
Q3. In a database table, each column that stores one kind of detail (such as Name or Age) is called a ______.
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Answer: field
Why: A field = one column. [NAL syllabus, Class 8 Unit 2]
Why: A field = one column. [NAL syllabus, Class 8 Unit 2]
Q4. A library table has columns BookID, Title, Author and Year. What is ‘Author’?
- A field
- A record
- A database
- A query
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Answer: A. A field
Why: Each column is a field. [NAL syllabus, Class 8 Unit 2]
Why: Each column is a field. [NAL syllabus, Class 8 Unit 2]
Q5. A ‘Students’ table has 40 rows (one per student) and 6 columns. How many records does it have?
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Answer: 40 (± 0)
Why: Each row is one record. [NAL syllabus, Class 8 Unit 2]
Why: Each row is one record. [NAL syllabus, Class 8 Unit 2]
Q6. What is a query in a database?
- A question asked of the database to find records that match conditions
- A new table
- A spelling check
- A printer setting
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Answer: A. A question asked of the database to find records that match conditions
Why: e.g. ‘Show all students in Class 8B’. [NAL syllabus, Class 8 Unit 2]
Why: e.g. ‘Show all students in Class 8B’. [NAL syllabus, Class 8 Unit 2]
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How many practice questions are there for Class 8 Computer & AI Chapter 2: Databases and Organising Data?
41 questions (17 easy, 16 medium, 8 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 8 Computer & AI syllabus, used by CBSE and many state boards.