Cambridge O Level · 2210 · Paper 1 · Computer systems
Computer Science 2210/12 Oct/Nov 2015 past paper
Cambridge O Level Computer Science (2210) Paper 1 (Computer systems), variant 2, Oct/Nov 2015: the question paper and its official mark scheme, 9 questions worth 75 marks. Free to open, no account needed.
- Questions
- 9
- Marks
- 75
File names: 2210_w15_qp_12 · 2210_w15_ms_12
Topics in this paper
Which syllabus chapters 2210/12 Oct/Nov 2015 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Data Representation | 3 | 30 |
| The Internet and its Uses | 2 | 17 |
| Hardware | 2 | 16 |
| Data Transmission | 2 | 12 |
Questions in 2210/12 Oct/Nov 2015
- Question 1
There are a number of security risks associated with using the Internet. Name three of these risks. For each, state why it is a risk and describe how the risk can be minimised. Security risk 1 Why it is a …
- Question 2
Seven computer terms and seven descriptions are shown below. Draw a line to link each computer term to its most appropriate description. Computer term Description Interface Reduction of file size by permanently removing some redundant information from the file Interrupt …
- Question 3
The flowchart on the opposite page shows what happens when the barcode on a product is scanned at the checkout in a supermarket. The barcodes are used in an automatic stock control system. Several of the statements in the flowchart …
- Question 4
(a) (i) Convert the following two hexadecimal numbers into binary: …
- Question 5
A security system uses sensors, a camera and a microprocessor to capture images of each person entering a large shopping mall. (a) Describe how the sensors, camera and microprocessor interact to identify certain people entering the mall. (b) Each image …
- Question 6
(a) Explain what is meant by HTML. (b) HTML uses both structure and presentation. Describe what is meant by the two terms. Structure Presentation (c) Explain the function of a web browser.
- Question 7
(a) Check digits are used to ensure the accuracy of input data. A 7-digit code number has an extra digit on the right, called the check digit. Digit position …
- Question 8
The steps to print a document using a laser printer are shown in the table below. Put each step in the correct order. The first step has been done for you. Step Order As the printing drum rotates, a laser …
- Question 9
A remote-controlled model car contains RAM, ROM and a solid state drive. The car receives radio signals from its remote control. It can only receive radio signals of a certain frequency. The manufacturer sets this frequency and the owner cannot …
Other Computer Science papers from Oct/Nov 2015
- 2210/13 Computer systems
- 2210/22 Algorithms, programming & logic
- 2210/23 Algorithms, programming & logic