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A student says an image with resolution 800 x 600 has 1400 pixels. What is wrong with this statement?

medium📝 Analysis Q14 of 15
Intro to Computing - How Data is Represented
A student says an image with resolution 800 x 600 has 1400 pixels. What is wrong with this statement?
AThey confused pixels with file size
BThey added width and height instead of multiplying
CThey multiplied width and height correctly
DThey used the wrong units for pixels
Step-by-Step Solution
Solution:

  1. Step 1: Calculate correct total pixels

    Total pixels = 800 x 600 = 480,000 pixels, not 1400.

  2. Step 2: Identify mistake in calculation

    1400 is close to 800 + 600 = 1400, so they added instead of multiplied.

  3. Final Answer:

    They added width and height instead of multiplying -> Option B

  4. Quick Check:

    Pixels = width x height, not addition [OK]
Quick Trick: Pixels = width x height, not width + height [OK]
Common Mistakes:
  • Adding instead of multiplying pixels
  • Confusing pixels with file size
  • Misunderstanding resolution units

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