Class 8 Computer & AI Chapter 7: AI That Sees: Computer Vision — practice questions with answers
Free practice for Class 8 Computer & AI, Chapter 7: AI That Sees: Computer Vision. Try the solved questions below, then take a free test with instant marking and explanations.
41 questions13 easy, 17 medium, 11 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. AI that can ‘see’ and understand images and videos is called computer ______.
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Answer: vision
Why: Used in face unlock, X-ray reading and self-driving cars. [AI for New Learner — Advance 2, Ch 2]
Why: Used in face unlock, X-ray reading and self-driving cars. [AI for New Learner — Advance 2, Ch 2]
Q2. To an AI, what is a digital photo?
- A huge grid of numbers, one set for each tiny dot of colour
- A painting it can feel
- A sound
- A sentence
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Answer: A. A huge grid of numbers, one set for each tiny dot of colour
Why: Vision AI finds patterns in these numbers. [AI for New Learner — Advance 2, Ch 2]
Why: Vision AI finds patterns in these numbers. [AI for New Learner — Advance 2, Ch 2]
Q3. The tiny dots of colour that make up a digital image are called ______.
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Answer: pixels
Why: Each pixel has red, green and blue values. [AI for New Learner — Advance 2, Ch 2]
Why: Each pixel has red, green and blue values. [AI for New Learner — Advance 2, Ch 2]
Q4. How many numbers are used to store the colour of one pixel in an RGB image?
- 3 (red, green, blue)
- 1
- 10
- 255
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Answer: A. 3 (red, green, blue)
Why: Each value runs from 0 to 255. [AI for New Learner — Advance 2, Ch 2]
Why: Each value runs from 0 to 255. [AI for New Learner — Advance 2, Ch 2]
Q5. An image is 200 × 150 pixels. How many pixels does it have?
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Answer: 30000 (± 0)
Why: 200 × 150 = 30,000. [AI for New Learner — Advance 2, Ch 2]
Why: 200 × 150 = 30,000. [AI for New Learner — Advance 2, Ch 2]
Q6. Read this pseudocode: TRAIN mango_AI: LOAD 5000 mango photos, each LABELLED 'RIPE' or 'UNRIPE' AI looks at colour, spots, shape and finds patterns TEST mango_AI: LOAD 100 NEW mango photos IF accuracy > 95%: DEPLOY to farmer's app In testing, the AI correctly judges 97 of the 100 new photos. What is its accuracy (%)?
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Answer: 97 (± 0)
Why: 97 ÷ 100 × 100 = 97%. [AI for New Learner — Advance 2, Ch 2]
Why: 97 ÷ 100 × 100 = 97%. [AI for New Learner — Advance 2, Ch 2]
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How many practice questions are there for Class 8 Computer & AI Chapter 7: AI That Sees: Computer Vision?
41 questions (13 easy, 17 medium, 11 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.