Cambridge O Level · 2210 · Paper 1 · Computer systems
Computer Science 2210/12 Oct/Nov 2021 past paper
Cambridge O Level Computer Science (2210) Paper 1 (Computer systems), variant 2, Oct/Nov 2021: the question paper and its official mark scheme, 11 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 75
- Grade A from
- 39
File names: 2210_w21_qp_12 · 2210_w21_ms_12
Grade thresholds for 2210/12 Oct/Nov 2021
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 |
|---|---|---|---|---|
| 39 | 31 | 23 | 20 | 16 |
Topics in this paper
Which syllabus chapters 2210/12 Oct/Nov 2021 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Data Transmission | 3 | 24 |
| Software | 3 | 12 |
| The Internet and its Uses | 2 | 12 |
| Boolean Logic | 1 | 11 |
| Data Representation | 1 | 9 |
| Hardware | 1 | 7 |
Questions in 2210/12 Oct/Nov 2021
- Question 1
(a) Denary is a number system that is used by programmers. Tick (✓) one box to show whether denary is a base-2, base-10 or base-16 number system. Tick (✓) Base-2 Base-10 Base-16 (b) Hexadecimal values can be used to represent …
- Question 2
A train company wants to install a self-service ticket machine system for its train stations. When the customer has purchased their tickets, the machine will provide a paper ticket. (a) One output device that is used in the ticket machine …
- Question 3
(a) Six statements are given about methods of data transmission. Tick (✓) to show if each statement applies to serial simplex, parallel simplex, parallel half-duplex or serial duplex data transmission. Some statements may apply to more than one data transmission …
- Question 4
The paragraph explains the operation of different touch screen technologies. Complete the paragraph using the list of terms. Not all terms in the list need to be used. • capacitive • change • circuit • conductive • coordinates • grid …
- Question 5
Sammi works for a finance company and has a laptop that he uses for his work. He has confidential data about his customers stored on his laptop. Sammi does not connect the laptop to any networks. (a) Sammi is concerned …
- Question 6
A programmer can use translators, such as an interpreter and a compiler, when developing a computer program. (a) Give one similarity between a compiler and an interpreter. (b) Describe two differences between a compiler and an interpreter. Difference 1 Difference …
- Question 7
Five statements are given about devices. Tick (✓) to show if each statement applies to a 3D scanner, barcode reader or a Quick Response (QR) code reader. Some statements may apply to more than one type of device. Statement 3D …
- Question 8
An electronic game has three square mats that are coloured red, green and blue. The player will see a colour displayed on a screen and has 1 second to hit the mat that matches the colour. If the player hits …
- Question 9
Padma opens an application on her computer. An interrupt is generated to inform the Central Processing Unit (CPU) that the application has been opened. (a) Give three other examples of when an interrupt signal could be generated. …
- Question 10
Jermain uses the Secure Socket Layer (SSL) protocol for secure transmission when sending data using the internet. (a) Explain how the SSL protocol secures the data for transmission. (b) Identify an alternative protocol that could be used for secure transmission …
- Question 11
Consider the following logic statement: …