Cambridge A Level ยท 9608 ยท Paper 1 ยท Theory fundamentals
Computer Science 9608/12 May/June 2015 past paper
Cambridge A Level Computer Science (9608) (previous syllabus, now 9618) Paper 1 (Theory fundamentals), variant 2, May/June 2015: 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
- 51
File names: 9608_s15_qp_12 ยท 9608_s15_ms_12
Grade thresholds for 9608/12 May/June 2015
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 |
|---|---|---|---|---|
| 51 | 44 | 38 | 32 | 27 |
Topics in this paper
Which syllabus chapters 9608/12 May/June 2015 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Hardware | 3 | 24 |
| Information representation | 2 | 15 |
| Processor Fundamentals | 2 | 15 |
| Communication | 1 | 11 |
| Databases | 1 | 10 |
Questions in 9608/12 May/June 2015
- Question 1
(i) Convert the following binary number into hexadecimal. โฆ
- Question 2
(a) Sound can be represented in a computer in a digital format. (i) Give the definition of the term sampling. (ii) Give one reason why 16-bit sampling is used in an audio compact disc (CD). (iii) Explain what is meant โฆ
- Question 3
Five modes of addressing and five descriptions are shown below. Draw a line to connect each mode of addressing to its correct description. Mode of addressing Description direct the operand is the address of the address of the value to โฆ
- Question 4
(a) Sensors are one type of input device. For each of the following situations, name a different sensor that could be used. (i) air conditioning in an office building (ii) maintaining correct growing conditions in a greenhouse (iii) detecting an โฆ
- Question 5
(a) Telephone calls can be made by using: โข conventional telephones (using the Public Service Telephone Network (PSTN) system) over a wired network โข a computer, equipped with speakers and microphone, connected to the Internet Put a tick (๏ผ) in โฆ
- Question 6
(a) Name the most suitable input or output device for each of the following uses. Give a different device in each case. Description of use Input or output device input of credit card number into an online form selection of โฆ
- Question 7
A system is monitored using sensors. The sensors output binary values corresponding to physical conditions, as shown in the table: Parameter Description of parameter Binary value Description of condition P oil pressure 1 pressure >= 3 bar 0 pressure < โฆ
- Question 8
(a) Explain how the width of the data bus and system clock speed affect the performance of a computer system. Width of the data bus Clock speed (b) Most computers use Universal Serial Bus (USB) ports to allow the attachment โฆ
- Question 9
A database has been designed to store data about salespersons and the products they have sold. The following facts help to define the structure of the database: โข each salesperson works in a particular shop โข each salesperson has a โฆ
Other Computer Science papers from May/June 2015
- 9608/11 Theory fundamentals
- 9608/13 Theory fundamentals
- 9608/21 Fundamental problem-solving & programming
- 9608/22 Fundamental problem-solving & programming
- 9608/23 Fundamental problem-solving & programming
- 9608/31 Advanced theory
- 9608/32 Advanced theory
- 9608/33 Advanced theory
- 9608/41 Further problem-solving & programming
- 9608/42 Further problem-solving & programming
- 9608/43 Further problem-solving & programming