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Grade 12: Computing subject test

Try the supplied cases without hints first. Use paper for calculations, notes or drawings. Check all your answers together, then revisit the lessons you want to practice.

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Subject practice test

Choose an answer for each problem. Explain your method on paper, then use the feedback to decide what to revisit.

1. Missing library-version information. Which reproducibility input is described?Code revisionConfigurationEnvironment dependencyData revision

2. Threshold configuration differs across runs. Which comparison situation is stated?Required conditions unknownInputs differSame inputs, output matchesSame stated inputs, mismatch

3. The tool caused all observed outcomes. Evidence:12 of 15 fictional attempts complete; no people count,no comparison group,no citation for prize. Classify the claim.Unsupported cause statementSupported attempt statementUnsupported people statementUnsupported external claim

4. A claim of review has no actual evidence. Which documented policy part is described?Reviewer responsibilityEvidence requirementChallenge routeUnverified review claim

5. Ideal model completes 15 tasks per second. Duration for 90 tasks, excluding setup and contention?105 seconds7 seconds6 seconds1350 seconds

6. Paper Python 3 expression: max([1,3,2,2,13]). What value results?16131412

7. Constant device power 200 W for 5 hours. Modeled device-only energy in kWh?1 kWh2 kWh3 kWh4 kWh

8. OptionG lacks keyboard-operation evidence. Required: works offline and supports keyboard tasks. Choose the supplied conclusion.Meets both requirementsFails offline requirementFails keyboard requirementRequirement evidence missing

9. Processing removes the first queued item. Which model element is described?Event orderModel limitationUpdate ruleInitial state

10. One paper tick: backlog 6; arrivals 2; then 4 tasks completed. New backlog?7 tasks4 tasks5 tasks6 tasks

11. No measured outcome is supplied. Which evidence state is described?Observation unavailableAgreement in supplied caseMismatch to investigateInputs not comparable

12. Available evidence is only an unoperated screenshot. Required:private data isolated,core task works. Choose decision from supplied evidence.Proceed within verified scopeRevise before releaseStop unsafe proposed approachDo not claim verification

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