4.13.1.5 Evaluation Quiz: AQA Computer Science, Unit 13

The 20 questions

1. Which of the following is a key criterion for evaluating a computer system?

   • Compiler choice
   • Meeting requirements
   • Network speed
   • Storage capacity

2. Which evaluation criterion measures a system's ability to handle invalid input without failing?

   • Efficiency
   • Robustness
   • Maintainability
   • Usability

3. Which evaluation criterion measures how well a system uses processor time and memory?

   • Robustness
   • Usability
   • Efficiency
   • Maintainability

4. Which evaluation criterion measures how easily intended users can learn a system?

   • Usability
   • Maintainability
   • Efficiency
   • Robustness

5. Which evaluation criterion measures how easily a system can be modified or updated?

   • Maintainability
   • Efficiency
   • Usability
   • Robustness

6. Why is feedback gathered from end users during system evaluation?

   • To assess usability
   • To test bandwidth
   • To check syntax
   • To measure memory

7. Which criterion concerns protecting data from unauthorised access?

   • Usability
   • Maintainability
   • Security
   • Efficiency

8. A web page takes 20 seconds to load instead of 2 seconds. Which criterion is poor?

   • Maintainability
   • Efficiency
   • Robustness
   • Portability

9. A system crashes when a user types letters into a number field. Which evaluation criterion is affected?

   • Robustness
   • Maintainability
   • Efficiency
   • Usability

10. A user takes three days to learn basic tasks. Which evaluation criterion is low?

    • Usability
    • Robustness
    • Efficiency
    • Maintainability

11. Poorly documented code makes fixing bugs difficult for developers. Which criterion is directly affected?

    • Efficiency
    • Robustness
    • Usability
    • Maintainability

12. A completed computer system satisfies all criteria in its specification. Which evaluation goal is met?

    • High maintainability
    • Code portability
    • System robustness
    • Meeting requirements

13. When evaluating trade-offs between cost and performance, what reference should be used?

    • System requirements
    • Database format
    • Source code length
    • Compiler type

14. Which source of evidence best supports an evaluation of system usability?

    • Processor benchmarks
    • Memory usage logs
    • User feedback
    • Lines of code

15. Which metric is most useful when evaluating the efficiency of a system?

    • Processor time
    • Code commentary
    • User feedback
    • Development cost

16. What should criteria for evaluating a completed computer system be directly derived from?

    • Code comments
    • System specification
    • Developer preferences
    • Development cost

17. Which evaluation criterion assesses how easy and intuitive a software system is to operate?

    • Usability
    • Robustness
    • Maintainability
    • Reliability

18. What is the primary purpose of system evaluation at the end of development?

    • Optimising source code
    • Estimating project cost
    • Checking specifications met
    • Generating test data

19. Increasing system security mechanisms most directly reduces which other key evaluation criterion?

    • Capacity
    • Portability
    • Usability
    • Robustness

20. What critical feedback source should be used alongside test results during final system evaluation?

    • End-user feedback
    • Developer opinions
    • Compiler warnings
    • CPU clock speed

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