Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/13 May/June 2018 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 3, May/June 2018: the question paper and its official mark scheme, 13 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 13
- Marks
- 75
- Grade A from
- 45
File names: 0478_s18_qp_13 · 0478_s18_ms_13
Grade thresholds for 0478/13 May/June 2018
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 | F | G |
|---|---|---|---|---|---|---|
| 45 | 35 | 26 | 20 | 15 | 10 | 5 |
Topics in this paper
Which syllabus chapters 0478/13 May/June 2018 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Hardware | 4 | 21 |
| Data Transmission | 2 | 16 |
| The Internet and its Uses | 2 | 12 |
| Boolean Logic | 1 | 10 |
| Data Representation | 2 | 8 |
| Software | 2 | 8 |
Questions in 0478/13 May/June 2018
- Question 1
State five sensors that could be used in the following applications. Give a different type of sensor for each application. Application Sensor Weighing a baby in a hospital Turning off a kettle when the water boils Controlling an automatic door …
- Question 2
Draw a line to connect each term to the correct application. Term Application A telephone that can receive and transmit audio signals simultaneously. A two-way radio (walkie-talkie) that can receive and transmit messages, but not at the same time. Simplex …
- Question 3
Three security issues that could affect users online are phishing, pharming and spam. Explain what is meant by each security issue. Phishing Pharming Spam
- Question 4
A company transmits data to external storage at the end of each day. (a) Parity checks can be used to check for errors during data transmission. The system uses odd parity. (i) Tick (✓) to show for each of the …
- Question 5
(a) Convert the denary number 107 to binary. (b) Represent the denary number 300 as it would be stored in a 12-bit binary register. (c) Convert the denary number 179 to hexadecimal.
- Question 6
One of the roles of an operating system is to deal with interrupts. (a) Explain the term interrupt. (b) Identify three devices that make use of interrupts. Device 1 Device 2 Device 3
- Question 7
A train station uses large touch screens to allow passengers to search for train information and buy tickets. (a) State three benefits of using a touch screen in the train station. Benefit 1 Benefit 2 Benefit 3 (b) The touch …
- Question 8
A logic circuit is shown below. …
- Question 9
Three types of translators are assemblers, compilers and interpreters. Tick (✓) the appropriate boxes to show which statements apply to each type of translator. Statement Assembler (✓) Compiler (✓) Interpreter (✓) Translates high- level language into machine code Provides error …
- Question 10
Explain how an instruction is fetched in a computer based on the Von Neumann model.
- Question 11
Identify three similarities between CDs and DVDs. …
- Question 12
An image is to be stored electronically. The image is 256 pixels high by 200 pixels wide with a 16-bit colour depth. Calculate the file size of the image. You must show all of your working. File size kB
- Question 13
Describe the role of an Internet Service Provider (ISP).
Other Computer Science papers from May/June 2018
- 0478/11 Computer systems
- 0478/12 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic