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Module 4: Software Testing

20232m

Main difference between program testing and system testing is

a) System testing focuses on testing the interfaces between programs, program testing focuses on individual programs
b) Program testing is more comprehensive than system testing
c) System testing is tough and program testing is easy
d) None of these

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Solution

Correct Answer: (a) System testing focuses on testing the interfaces between programs, program testing focuses on individual programs

Explanation

  • Program/Unit testing - individual program/module in isolation (with drivers/stubs).
  • System testing - tests integrated system as whole, interfaces between programs, end-to-end behavior vs SRS.

(b) Program testing more comprehensive → false (system testing broader)
(c) Tough/easy subjective → false

Answer: (a)

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