Computer Science X · 2019 · Official answer key
| Question | Original SLO | Answer | Level |
|---|---|---|---|
| 1 | 7.1.1 | B | U |
| 2 | 8.1.2 | A | K |
| 3 | 11.1.2 | B | U |
| 4 | 8.2.2 | A | U |
| 5 | 8.1.4 | B | K |
| 6 | 9.3.2 | B | A |
| 7 | 9.2.1 | B | A |
| 8 | 9.1.4 | C | K |
| 9 | 9.4.2 | C | K |
| 10 | 10.3.4 | A | A |
| 11 | 10.2.3 | B | U |
| 12 | 10.2.4 | B | A |
| 13 | 11.2.1 | D | A |
| 14 | 11.2.2 | D | A |
| 15 | 11.1.1 | C | A |
| 16 | 11.1.3 | B | A |
| 17 | 11.2.2 | D | A |
| 18 | 12.1.1 | B | U |
| 19 | 13.1.1 | A | A |
| 20 | 14.1.2 | D | A |
| 21 | 10.1.2 | A,CEducator review noteOfficial 2019 AKU-EB Answer Key credits both A and C ('A,C'): In GW-BASIC, lines are automatically sorted and executed in ascending order of line numbers (10 -> 20 -> 30 -> 40 -> 50 -> 60), outputting A - B = -10, A * B = 200, and A + B = 30 (Option A); Option C (30, -10, 200) corresponds to top-to-bottom visual reading order (50 -> 30 -> 40). | A |
| 22 | 10.3.2 | A | A |
| 23 | 10.3.2 | B | A |
| 24 | 15.1.3 | A | A |
| 25 | 15.1.3 | D | A |
K: Knowledge · U: Understanding · A: Application and beyond
2019 Computer Science Paper 1 · answers & explanations →