Cambridge IGCSE ยท 0478 ยท Paper 1 ยท Computer systems
Computer Science 0478/11 Oct/Nov 2018 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 1, Oct/Nov 2018: the question paper and its official mark scheme, 10 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 10
- Marks
- 75
- Grade A from
- 50
File names: 0478_w18_qp_11 ยท 0478_w18_ms_11
Grade thresholds for 0478/11 Oct/Nov 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 |
|---|---|---|---|---|---|---|
| 50 | 42 | 34 | 26 | 19 | 12 | 5 |
Topics in this paper
Which syllabus chapters 0478/11 Oct/Nov 2018 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Hardware | 4 | 31 |
| Data Representation | 2 | 20 |
| The Internet and its Uses | 1 | 8 |
| Boolean Logic | 1 | 7 |
| Data Transmission | 1 | 5 |
| Software | 1 | 4 |
Questions in 0478/11 Oct/Nov 2018
- Question 1
(a) Computer files can be saved in different file formats. Four file formats and four file types are given. Draw a line to match each file format to the most suitable file type. .jpeg Text file .mp3 .mp4 .txt Image โฆ
- Question 2
(a) Six binary or hexadecimal numbers and six denary conversions are given. Draw a line to connect each binary or hexadecimal number to the correct denary conversion. 01001011 75 Binary or hexadecimal Denary โฆ
- Question 3
- Question 4
Phishing and pharming are two examples of online security threats to a computer system. (a) Explain what is meant by phishing and pharming. Phishing Pharming (b) Identify two other online security threats to a computer system. Security threat 1 Security โฆ
- Question 5
(a) Five storage devices or media are listed in the table. Tick (๏ผ) to show whether each storage device or media is an example of primary, secondary or off-line storage. Storage device or media Primary (๏ผ) Secondary (๏ผ) Off-line (๏ผ) โฆ
- Question 6
Two examples of output devices are a 3D printer and a 3D cutter. (a) The table contains four statements about 3D printers and 3D cutters. Tick (๏ผ) to show which statements apply to each output device, some statements may apply โฆ
- Question 7
Computers can use different methods of transmission to send data from one computer to another. Parallel data transmission is one method that can be used. (a) Explain what is meant by parallel data transmission. (b) Give one benefit and one โฆ
- Question 8
Kamil correctly answers an examination question about a number of internet terms. Six different terms have been removed from Kamilโs answer. Complete the sentences in Kamilโs answer, using the list given. Not all terms in the list need to be โฆ
- Question 9
A sports stadium uses a pressure sensor and a microprocessor to monitor the number of people entering the sports stadium. For the counter to increment the weight on the pressure sensor must exceed 5 kg. Explain how the system uses โฆ
- Question 10
Personal computers (PCs) use an operating system. Explain why this type of computer needs an operating system.
Other Computer Science papers from Oct/Nov 2018
- 0478/12 Computer systems
- 0478/13 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic