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A tester runs a test that inputs a very large number into a calculator app. The app crashes. What does this indicate?

medium📝 Predict Output Q5 of 15
Testing Fundamentals - Why Software Testing Matters
A tester runs a test that inputs a very large number into a calculator app. The app crashes. What does this indicate?
AThere is a bug related to input size handling.
BThe app is working as expected.
CThe tester used the wrong test data.
DThe app handles large inputs correctly.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the test scenario

    Inputting a large number causes the app to crash, which is a failure.

  2. Step 2: Interpret the crash

    A crash means the app cannot handle that input properly, indicating a bug.

  3. Final Answer:

    There is a bug related to input size handling. -> Option A

  4. Quick Check:

    Crash on input = bug found [OK]
Quick Trick: Crashes always signal bugs [OK]
Common Mistakes:
  • Thinking crash means correct behavior
  • Blaming tester for test data
  • Ignoring app failure signals

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