Computer Science 0478/11 May/June 2016 past paper

Grade thresholds for 0478/11 May/June 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.

Topics in this paper

Which syllabus chapters 0478/11 May/June 2016 tested, by marks. Each chapter links to every past-paper question on it.

Questions in 0478/11 May/June 2016

1. Question 1Software · 3 marks

   Some software can be described as free, freeware or shareware. Tick (✓) the appropriate boxes in the table below to show which features apply to these three types of software. Software feature Free Freeware Shareware Software source code can be …

2. Question 2Data Representation · 4 marks

   Hexadecimal codes are used in MAC addresses. (a) State what is meant by the term MAC. (b) Explain what the hexadecimal code in a MAC address represents.

3. Question 3Hardware · 8 marks

   (a) Five sensors and five applications are shown below. Draw a line to link each sensor to its most appropriate application. Sensor Application Light sensor Monitor the pollution levels in a river Moisture sensor Control the switching off and on …

4. Question 4Data Transmission · 10 marks

   (a) Nikita wishes to print out some documents and connects her printer to the computer using one of the USB ports. (i) Identify what type of data transmission is being used. (ii) Give three reasons for using a USB port. …

5. Question 5Data Representation · 10 marks

   A computer-controlled machine produces plastic sheets. The thickness of each sheet must be within a certain tolerance. The sheets are kept below 50 °C as they move over rollers at 10 metres per second. Three parameters need to be monitored …

6. Question 6The Internet and its Uses · 4 marks

   Secure socket layer (SSL) is used in the security of information on Internet websites. (a) State how it is possible for a user to know that a website is secure by looking at the web address. (b) Describe three of …

7. Question 7Hardware · 4 marks

   Each seat on a flight is uniquely identified on an LCD above the seat. For example, seat 035C is shown as: The first three characters are digits that represent the row. The fourth character is the seat position in that …

8. Question 8The Internet and its Uses · 5 marks

   A bank offers an online service to its customers. The bank has developed a “SafeToUse” system that asks each customer to enter four randomly chosen characters from their password each time they log in. The customer selects these four characters …

9. Question 9Data Transmission · 5 marks

   Check digits are used to ensure the accuracy of entered data. A 7-digit number has an extra digit on the right, called the check digit. digit position: …

10. Question 10The Internet and its Uses · 5 marks

    Six security issues and six descriptions are shown below. Draw a line to link each security issue to its correct description. Security issue Description illegal access to a computer system without the owner’s consent or knowledge software that gathers information …

11. Question 11Hardware · 9 marks

    (a) Four examples of optical storage media are: • DVD-RW • DVD-RAM • CD-ROM • Blu-ray disc The table below shows four features of optical storage media. Tick (✓) the appropriate boxes in the table to indicate which of the …

12. Question 12Data Representation · 8 marks

    (a) Name the following type of barcode: (b) The barcode in part (a) contains the denary value …

Other Computer Science papers from May/June 2016

• 0478/12 Computer systems
• 0478/13 Computer systems
• 0478/21 Algorithms, programming & logic
• 0478/22 Algorithms, programming & logic
• 0478/23 Algorithms, programming & logic