Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/13 Oct/Nov 2016 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 3, Oct/Nov 2016: the question paper and its official mark scheme, 11 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 75
- Grade A from
- 47
File names: 0478_w16_qp_13 · 0478_w16_ms_13
Grade thresholds for 0478/13 Oct/Nov 2016
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 |
|---|---|---|---|---|---|---|
| 47 | 39 | 32 | 27 | 22 | 20 | 18 |
Topics in this paper
Which syllabus chapters 0478/13 Oct/Nov 2016 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Hardware | 4 | 25 |
| The Internet and its Uses | 3 | 21 |
| Data Representation | 1 | 16 |
| Software | 2 | 8 |
| Data Transmission | 1 | 5 |
Questions in 0478/13 Oct/Nov 2016
- Question 1
To process an instruction, a central processing unit (CPU) goes through a cycle that has three main stages. Name each stage in this cycle. Stage 1 Stage 2 Stage 3
- Question 2
Name each of the potential security issues described in the five statements below: Statement Security issue The act of gaining unauthorised access to a computer system Program code that can replicate itself with the intention of deleting or corrupting files …
- Question 3
Five computer terms and seven descriptions are shown below. Draw a line to connect each computer term to its correct description. An error detection method that uses response and time out when transmitting data; if a response is not sent …
- Question 4
The Henslows Diner is a local restaurant. (a) Staff currently use a keyboard to input a customer food order into a computer. The food order is then sent to the kitchen. State two disadvantages of using a keyboard to input …
- Question 5
Three switches, A, B and C, each send values of 0 or 1 to a logic circuit. Value X is output from the logic circuit. Switch A Switch B Output X Switch C Logic circuit Output X has a value …
- Question 6
High-level or low-level languages can be used when writing a computer program. State two advantages of using a high-level language and two advantages of using a low-level language. High-level language advantage 1 High-level language advantage 2 Low-level language advantage 1 …
- Question 7
Modern Liquid Crystal Display (LCD) monitors use Light-Emitting Diode (LED) backlit technology. Give four benefits of using LED technology. …
- Question 8
Four descriptions about compilers and interpreters are shown below. Draw lines to indicate which descriptions refer to a compiler and which descriptions refer to an interpreter. It is more difficult to debug the code since one error can produce many …
- Question 9
A security light is controlled by sensors and a microprocessor. Describe how the sensors and microprocessor interact to switch on the security light when an intruder is detected.
- Question 10
(a) A manufacturer of aeroplane engines assigns a denary identification number (ID) to each engine. One engine has the ID: 0431 (i) Convert this denary number to a 12-bit binary format. (ii) Show how this number would be represented in …
- Question 11
Explain why ethics are important when using computers.
Other Computer Science papers from Oct/Nov 2016
- 0478/11 Computer systems
- 0478/12 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic