Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/11 May/June 2017 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 1, May/June 2017: 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
- 52
File names: 0478_s17_qp_11 · 0478_s17_ms_11
Grade thresholds for 0478/11 May/June 2017
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 |
|---|---|---|---|---|---|---|
| 52 | 43 | 35 | 30 | 25 | 20 | 15 |
Topics in this paper
Which syllabus chapters 0478/11 May/June 2017 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Hardware | 5 | 31 |
| Data Representation | 4 | 23 |
| Software | 2 | 9 |
| Data Transmission | 1 | 7 |
| The Internet and its Uses | 1 | 5 |
Questions in 0478/11 May/June 2017
- Question 1
The memory of a computer contains data and instructions in binary. The following instruction is stored in a location of the memory. …
- Question 2
Programmers can use a high-level language to write a computer program. (a) Explain what is meant by the term ‘high-level language’. (b) A program written in a high-level language is translated into machine code. This is so that it can …
- Question 3
Steffi has a number of files of different sizes that contain her work. Tick (3) to show whether each statement is true or false. Statement true (3) false (3) 47KB is larger than 10MB. 250bytes is smaller than 0.5MB. 50GB …
- Question 4
Five statements about serial half-duplex data transmission are shown in the table below. Tick (3) to show whether each statement is true or false. Statement true (3) false (3) Data is transmitted in one direction only, one bit at a …
- Question 5
(a) Parity checks are often used to detect errors that may occur during data transmission. The received bytes in the table below were transmitted using odd parity. Tick (3) to show whether each byte has been corrupted during transmission or …
- Question 6
Signals are sent to and from the components of a processor using buses. Identify and describe the purpose of two different buses. Bus 1 Purpose Bus 2 Purpose
- Question 7
Six security terms and six statements are listed below. Draw a line to match the security term with the most appropriate statement. Scrambles data for secure transmission. Provides a secure connection between web browsers and websites allowing secure transmission of …
- Question 8
Complete the paragraph by choosing six correct terms from the list. • Optical • On-line • RAM • HDD • Primary • SSD • Secondary • ROM • Off-line A computer has two different types of memory. memory is not …
- Question 9
A supermarket has a system that allows customers to check out their own shopping. Identify and describe the purpose of two input devices and one output device used in this system. Input device 1 Purpose Input device 2 Purpose Output …
- Question 10
(a) Complete the truth table for the NOR gate. …
- Question 11
State three functions provided by an operating system. Function 1 Function 2 Function 3
- Question 12
The processes in a chemical factory are monitored by sensors connected to a microprocessor. (a) Identify two different sensors used in this application. Give an example of how each sensor could be used in the chemical factory. Sensor 1 Use …
- Question 13
(a) Gurdeep wants to send a large file to Jennifer over the Internet. State two benefits of compressing the file to send it. Benefit 1 Benefit 2 (b) Two types of compression are lossy and lossless. Choose the most suitable …
Other Computer Science papers from May/June 2017
- 0478/12 Computer systems
- 0478/13 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic