Cambridge A Level · 9618 · Paper 1 · Theory fundamentals
Computer Science 9618/12 Oct/Nov 2022 past paper
Cambridge A Level Computer Science (9618) Paper 1 (Theory fundamentals), variant 2, Oct/Nov 2022: the question paper and its official mark scheme, 10 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 10
- Marks
- 75
- Grade A from
- 44
File names: 9618_w22_qp_12 · 9618_w22_ms_12
Grade thresholds for 9618/12 Oct/Nov 2022
The minimum raw marks Cambridge set for each grade on this component (out of 75). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E |
|---|---|---|---|---|
| 44 | 38 | 33 | 28 | 22 |
Topics in this paper
Which syllabus chapters 9618/12 Oct/Nov 2022 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Information representation | 3 | 22 |
| Processor Fundamentals | 1 | 12 |
| Databases | 1 | 11 |
| System Software | 1 | 9 |
| Hardware | 1 | 7 |
| Security, privacy and data integrity | 1 | 6 |
| Communication | 1 | 6 |
| Artificial Intelligence (AI) | 1 | 2 |
Questions in 9618/12 Oct/Nov 2022
- Question 1
(a) Draw one line from each utility software to its most appropriate purpose. Utility software virus checker disk formatter backup defragmentation disk repair Purpose to reorganise files so they are contiguous to scan for malicious program code to decrease the …
- Question 2
(a) (i) Convert the two’s complement binary integer into denary. 10010110 Answer (ii) Convert the unsigned binary integer into hexadecimal. 10010110 Answer (iii) Convert the unsigned binary integer into Binary Coded Decimal (BCD). Show your working. 10010101 Working Answer (b) …
- Question 3
(a) A greenhouse has an automatic window. The window (X) operates according to the following criteria: Parameter Description of parameter Binary value Condition T Temperature 1 Too high 0 Acceptable W Wind speed 1 Too high 0 Acceptable R Rain …
- Question 4
(a) State the difference between data verification and data validation. (b) A checksum can be used to detect errors during data transmission. Describe how a checksum is used. (c) One validation method is a presence check. Describe two other validation …
- Question 5
A relational database, GARDEN, has the following tables: OWNER(OwnerID, FirstName, TelephoneNo, TreeID, TreePosition) TREE(TreeID, ScientificName, MaxHeight, FastGrowing) (a) The database is not in Third Normal Form (3NF). Explain how the database can be normalised to 3NF. (b) Write the Structured …
- Question 6
(a) A student uses a networked laptop computer to send an email to a colleague. (i) Explain how a digital signature ensures the email is authentic. (ii) Describe how a firewall protects the data on the computer. (b) The student …
- Question 7
The following table shows part of the instruction set for a processor. The processor has one general purpose register, the Accumulator (ACC), and an Index Register (IX). Instruction Explanation Opcode Operand LDM #n Immediate addressing. Load the number n to …
- Question 8
The following bitmap image has a resolution of …
- Question 9
One use of Artificial Intelligence (AI) is for facial recognition software. Describe the social impact of using facial recognition software to identify individuals in an airport.
- Question 10
A Local Area Network (LAN) consists of four computers, one server and a switch. The LAN uses a star topology. (a) Complete the following diagram to show how the hardware is connected. Server Computer Computer Computer Computer Switch (b) A …
Other Computer Science papers from Oct/Nov 2022
- 9618/11 Theory fundamentals
- 9618/13 Theory fundamentals
- 9618/21 Problem-solving & programming
- 9618/22 Problem-solving & programming
- 9618/23 Problem-solving & programming
- 9618/31 Advanced theory
- 9618/32 Advanced theory
- 9618/33 Advanced theory
- 9618/41 Practical programming
- 9618/42 Practical programming
- 9618/43 Practical programming