Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/12 Feb/March 2019 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 2, Feb/March 2019: the question paper and its official mark scheme, 7 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 7
- Marks
- 75
- Grade A from
- 51
File names: 0478_m19_qp_12 · 0478_m19_ms_12
Grade thresholds for 0478/12 Feb/March 2019
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 |
|---|---|---|---|---|---|---|
| 51 | 44 | 37 | 31 | 24 | 17 | 10 |
Topics in this paper
Which syllabus chapters 0478/12 Feb/March 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Hardware | 3 | 34 |
| Software | 1 | 19 |
| Data Representation | 2 | 16 |
| The Internet and its Uses | 1 | 6 |
Questions in 0478/12 Feb/March 2019
- Question 1
(a) Elle has a file stored on her computer that is 20 MB in size. Jordan has a file that is 10 GB in size. Tick (3) to show which is the larger file. File size Tick (3) 20 MB …
- Question 2
Many computer systems have an input device and an output device. (a) (i) State what is meant by an input device. (ii) Give an example of an input device. (b) (i) State what is meant by an output device. (ii) …
- Question 3
(a) A long distance running race uses an electronic counter that counts each competitor who finishes the race. The count is stored as binary in a 12-bit register. A denary value of the count is displayed on a screen above …
- Question 4
Darius is writing a computer program that allows binary values to be calculated. Darius chooses to write the program in a high-level language rather than a low-level language. (a) Explain why Darius chooses to write the program in a high-level …
- Question 5
Consider the following logic statement: …
- Question 6
Nadia purchases a printer to print out her homework. She connects the printer to her computer using USB. (a) Explain what is meant by USB. (b) Nadia’s printer uses powdered toner rather than liquid ink. (i) State the type of …
- Question 7
Arya regularly uses the Internet as a research tool for her school projects. Identify and describe three risks to Arya’s computer when she is using the Internet for research. Risk 1 Description Risk 2 Description Risk 3 Description