9626_w24_qp_32 - revisedeck

9626_w24_qp_32

A paper of Information Technology, 9626

Questions:

10

Year:

2024

Paper:

3

Variant:

2

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1

JavaScript uses for loops to run through a block of code. In JavaScript, the for loop has the following syntax: for (Statement_1; Statement_2; Statement_3){ // block of code to be executed is written here } Describe the purpose of each of the three statements: Statement_1 Statement_2 Statement_3 Compare the use of a for loop with a for in loop.

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

Open

2

Describe how the following alterations can be made to parts of a bitmap image, using tools found in image editing software. removing the reflection from eyes in a digital image taken by flash photography making the edges of objects in a digital photograph clearer

19. Graphics creation → 19.3. Bitmap images

19. Graphics creation → 19.2. Vector graphics

Open

3

A new software application has been evaluated for ease of use. Describe two other evaluations that should be carried out on the new software application.

16. System life cycle → 16.7. Evaluation

2. Hardware and software → 2.3. Utility software

Open

4

A project to create a new computer game has been divided into the tasks shown in the table. Task number Task Follows on from taskExpected duration Design the game Code the game 1, 4 Test the game code Create the user interface for the game Release the game to the public 3, 7 Design the documentation for the game Create the documentation for the game Using the information in the table, draw a PERT (Performance Evaluation and Review Technique) chart for the project in the space below: Describe the benefits of using a PERT chart.

15. Project management → 15.3. Tools and techniques for project management tasks

16. System life cycle → 16.7. Evaluation

Open

5

Discuss the impact of the use of artificial intelligence (Ain health care.

7. Expert systems → 7.1. Expert systems

13. New and emerging technologies → 13.1. New and emerging technologies

Open

6

Using tunneling protocols in networking can affect the security of the data. Explain how tunneling protocols can increase data security. Explain how tunneling protocols can decrease data security.

14. Communications technology → 14.6. Network protocols

14. Communications technology → 14.9. Network security

1. Data processing and information → 1.3. Encryption

Open

7

The data mining process consists of several phases. Describe the tasks that occur in each of the following phases in the data mining process. data preparation evaluation

12. IT in society → 12.2. Data mining

Open

8

Designers in a company use standalone computer-aided design (CAD) applications to design products. The company has now decided that its designers will change to using a cloud-based CAD application. The company will use parallel running to implement the change. Discuss the use of the parallel running method of implementation in this scenario.

16. System life cycle → 16.5. Implementation

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

Open

9

Explain how each of the following computer animation methods creates the illusion of movement. stop motion key frame Describe one property of an object that can be affected by altering its timings in an animated sequence.

20. Animation → 20.1. Animation

Open

10

A company is developing a data input screen for entering customer details into a database. Evaluate the use of evolutionary prototyping for developing the data input screen.

16. System life cycle → 16.9. Prototyping

16. System life cycle → 16.3. Design

Open