Class 12 Computer Science · Chapter 4 · Test 3
Database Concepts
36 MCQs
36 questions · 30 min · 36 marks
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Sample questions
The first 5 of 36. Try each one, then tap to see the answer.
Question 1
A database is:
- AA single table without keys
- BA programming language
- CAn organised collection of data in a structured format
- DA set of Python libraries
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Answer: C
A database is an organised collection of data stored in a structured format.
Question 2
Which of the following do databases help reduce?
- AData duplication
- BReliability
- CSecurity
- DAccuracy
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Answer: A
Databases reduce data duplication and improve reliability.
Question 3
Which is a benefit of databases?
- AIncreased data repetition
- BSlower retrieval
- CFewer stored records
- DImproved reliability
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Answer: D
Databases improve reliability and support secure storage.
Question 4
Which strength is mentioned for databases?
- APrinting documents quickly
- BStoring large amounts of information safely and retrieving it quickly
- CDesigning windows
- DDrawing graphics
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Answer: B
Databases store large amounts of information safely and retrieve it quickly.
Question 5
Databases help maintain data:
- AColour and style
- BSpeed and weight
- CAccuracy and consistency
- DSize and shape
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Answer: C
Databases help maintain data accuracy and consistency.
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