Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/11 Oct/Nov 2019 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 1, Oct/Nov 2019: the question paper and its official mark scheme, 9 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 9
- Marks
- 75
- Grade A from
- 54
File names: 0478_w19_qp_11 · 0478_w19_ms_11
Grade thresholds for 0478/11 Oct/Nov 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 |
|---|---|---|---|---|---|---|
| 54 | 46 | 37 | 29 | 22 | 15 | 8 |
Topics in this paper
Which syllabus chapters 0478/11 Oct/Nov 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| The Internet and its Uses | 3 | 32 |
| Hardware | 4 | 27 |
| Data Representation | 1 | 8 |
| Data Transmission | 1 | 8 |
Questions in 0478/11 Oct/Nov 2019
- Question 1
Andrew wants to produce advertising material for his company. (a) Andrew can use an Inkjet printer or a Laser printer. Draw lines to connect each printer to a correct statement. More than one line may be used to connect to …
- Question 2
An electronic guessing game compares denary integer values input by a user with pre-stored values. The pre-stored values are held in 10-bit binary format. (a) Convert the binary values in the table to denary. Binary Denary …
- Question 3
A company has several offices. It uses the Internet to transfer data between offices. The company also makes payments to staff and suppliers using online banking. The company are concerned about spyware and other security aspects of using the Internet. …
- Question 4
A zoo has an information point. • Visitors use a menu to select information about animals. • The menu includes 500 different animals. • The information is provided only using high definition video with an audio track. (a) State one …
- Question 5
Sonia shares files with her friends. The method of data transmission she uses is half-duplex serial transmission. (a) Describe how data is transmitted using half-duplex serial data transmission. (b) The system uses parity bits to check for errors during data …
- Question 6
Ishan is a member of a software community that develops computer games. He has programmed a new feature for one of the community’s existing games. (a) Ishan compiles the program before he issues it to the community. (i) Explain one …
- Question 7
A factory manufactures plastic pipes. It uses logic circuits to control the manufacturing process. (a) Consider the logic gate: Input A Input B Output Complete the truth table for this logic gate. Input A Input B Output …
- Question 8
Explain how an instruction is fetched in a Von Neumann model computer.
- Question 9
HTML can be used to create the structure and the presentation of web pages. (a) Describe what is meant by HTML structure. (b) Gloria writes a paragraph as an answer to an examination question about accessing a website. Use the …
Other Computer Science papers from Oct/Nov 2019
- 0478/12 Computer systems
- 0478/13 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic