Computer Science 9618/13 — May/June 2023
Cambridge AS Level · Theory Fundamentals · worked solutions for every part, with the mark scheme
7
questions
75
marks
90
minutes
Topics Hardware · Ethics and Ownership · Information Representation · Security, Privacy and Data Integrity · Communication · Databases · +2 more
Q1HardwareFree sample
(a)
1M
Write the logic expression for this truth table:
| A | B | C | X |
|---|---|---|---|
| 0 | 0 | 0 | 1 |
| 0 | 0 | 1 | 1 |
| 0 | 1 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 0 | 1 |
| 1 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 0 |
.............................................................................................................................................
(b)
2M
Complete the truth table for this logic circuit:
| A | B | C | Working space | X |
|---|---|---|---|---|
| 0 | 0 | 0 | ||
| 0 | 0 | 1 | ||
| 0 | 1 | 0 | ||
| 0 | 1 | 1 | ||
| 1 | 0 | 0 | ||
| 1 | 0 | 1 | ||
| 1 | 1 | 0 | ||
| 1 | 1 | 1 |
The rest of this paper
6 more questions- Q2Communication15M
- Q3Hardware · Ethics and Ownership · Information Representation15M
- Q4Databases · Security, Privacy and Data Integrity17M
- Q5System Software · Ethics and Ownership9M
- Q6Security, Privacy and Data Integrity7M
- Q7Information Representation · Processor Fundamentals9M
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