Cambridge O Level · 2210 · Paper 1 · Computer systems
Computer Science 2210/11 May/June 2021 past paper
Cambridge O Level Computer Science (2210) Paper 1 (Computer systems), variant 1, May/June 2021: the question paper and its official mark scheme, 8 questions worth 75 marks. Free to open, no account needed.
- Questions
- 8
- Marks
- 75
File names: 2210_s21_qp_11 · 2210_s21_ms_11
Topics in this paper
Which syllabus chapters 2210/11 May/June 2021 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Data Transmission | 3 | 34 |
| Boolean Logic | 2 | 22 |
| The Internet and its Uses | 2 | 11 |
| Automated and Emerging Technologies | 1 | 8 |
Questions in 2210/11 May/June 2021
- Question 1
Benedict has a computer that is assigned an Internet Protocol (IP) address. The IP address is: 198.167.214.0 The IP address is represented as denary values. (a) Convert the denary values 167 and 214 from the IP address to 8-bit binary. …
- Question 2
Julia inputs personal data into her computer. She stores three copies of the data using a hard disk drive (HDD), a solid state drive (SSD) and a USB flash memory drive. (a) Identify three devices Julia can use to input …
- Question 3
A firewall can be used to help keep the data secure that is stored on a computer. (a) The given paragraph describes how the firewall operates to help keep the data secure. Complete the paragraph using the most appropriate terms …
- Question 4
Two internet risks are phishing and pharming. Describe what is meant by phishing and pharming. Phishing Pharming
- Question 5
Jamelia has a greenhouse that she uses to grow fruit and vegetables. She needs to make sure the temperature in the greenhouse stays between 25 °C and 30 °C (inclusive). A system that has a temperature sensor and a microprocessor …
- Question 6
Consider the logic statement: …
- Question 7
A music company has a website that allows users to stream music. The music is stored in sound files. (a) The sound files are compressed using lossless compression. (i) Describe how the sound files are compressed using lossless compression. (ii) …
- Question 8
Four 7-bit binary values are transmitted from one computer to another. A parity bit is added to each binary value creating 8-bit binary values. All the binary values are transmitted and received correctly. (a) Identify whether each 8-bit binary value …
Other Computer Science papers from May/June 2021
- 2210/12 Computer systems
- 2210/21 Algorithms, programming & logic
- 2210/22 Algorithms, programming & logic