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1

JavaScript can manipulate and store strings in variables. Define the term string as used in JavaScript. Describe how a string can be created in JavaScript. A variable text1 is used to store Cambridge and a variable text2 is used to store International Examinations in a block of JavaScript code. Describe how the two strings can be joined together as Cambridge International Examinations and stored in a new variable called text3 in a JavaScript statement. Describe one method by which the word Examinations can be extracted from text3 for use in another variable.

21. Programming for the web  →  21.1. Programming for the web

Open

2

A new stock control system is being tested. Explain how different types of test data are used to test this system.

16. System life cycle  →  16.4. Development and testing

8. Spreadsheets  →  8.2. Testing a spreadsheet

Open

3

Describe what is meant by each of the following terms that refer to bitmap images. brightness contrast colour balance highlights

19. Graphics creation  →  19.3. Bitmap images

19. Graphics creation  →  19.1. Common graphics skills

Open

4

Colour management systems (CMS) are used in computer graphics. Explain why a CMS is needed.

19. Graphics creation  →  19.1. Common graphics skills

Open

5

The agile method of software development is to be used to create an app for smartphones. Justify the use of the agile method of software development.

16. System life cycle  →  16.8. Methods of software development

16. System life cycle  →  16.4. Development and testing

Open

6

Ultra-high definition (UHD) television systems have been developed and can be used to watch streaming videos. What is UHD television? Describe the impact of the development of UHD television systems on the environment.

14. Communications technology  →  14.5. Data transmission across networks

11. Video and audio editing  →  11.1. Video editing

Open

7

System flowcharts are a visual representation of the flow of data in a system. State the use of each of the following symbols in a system flowchart. Draw one other system flowchart symbol and describe how it is used.

16. System life cycle  →  16.3. Design

16. System life cycle  →  16.1. The stages in the system life cycle

Open

8

Data mining is used by businesses to analyse very large quantities of data. Discuss the use of data mining by businesses.

12. IT in society  →  12.2. Data mining

Open

9

Explain the drawbacks to a business of using social media for advertising their products.

12. IT in society  →  12.3. Social networking services/platforms

Open

10

Describe what is meant by CGI in animation. Describe cel animation. Cel animation is rarely used to create animations. Explain why computer software has replaced cel animation.

20. Animation  →  20.1. Animation

Open

11

Unauthorised access to computer files can result in the manipulation and modification of computer data. Describe the difference between data manipulation and data modification. Please turn over for Question 11. Evaluate the use of software methods in helping to prevent unauthorised access to computer data and files.

14. Communications technology  →  14.9. Network security

5. eSecurity  →  5.1. Personal data

Open