Class 12 Computer Science · Chapter 7 · Test 3
Visuals and Ethics
38 MCQs
38 questions · 30 min · 38 marks
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Sample questions
The first 5 of 38. Try each one, then tap to see the answer.
Question 1
Data visualization presents data in a form that is:
- AEncrypted for safety
- BClear and understandable
- CLimited to numbers
- DHidden from readers
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Answer: B
Visualization presents data in a clear and understandable form.
Question 2
Visualization helps researchers observe patterns and trends and:
- APasswords
- BHardware faults
- CTyping errors
- DRelationships
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Answer: D
It helps observe patterns and trends and relationships.
Question 3
Visual representations help reduce:
- AMisunderstanding of results
- BThe sample size
- CThe number of tests
- DThe number of variables
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Answer: A
Visuals reduce the chance of misunderstanding results.
Question 4
Charts and graphs make it easy to compare:
- ASoftware versions
- BPasswords
- CDifferences between groups
- DTyping speeds
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Answer: C
Charts make differences between groups easy to see.
Question 5
Data visualization is used to:
- AStore data
- BPresent results clearly
- CDelete data
- DCalculate the mean
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Answer: B
Visualization is used to present results clearly.
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