9626_s20_qp_32 - revisedeck

9626_s20_qp_32

A paper of Information Technology, 9626

Questions:

10

Year:

2020

Paper:

3

Variant:

2

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1

A company has a local area network (LAN) that can be accessed by its staff using their desktop computers, laptops and mobile devices. The desktop computers use a wired connection but the laptops and mobile devices connect via wireless access points (WAPs). Describe the drawbacks of using WAPs to access the network.

14. Communications technology → 14.1. Networks

14. Communications technology → 14.5. Data transmission across networks

14. Communications technology → 14.7. Wireless technology

Open

2

Many countries use holographic images on their bank notes. Describe how a holographic image is created. Give one reason why countries use holographic images on their bank notes. Describe two other uses of holographic imaging.

12. IT in society → 12.1. Digital currencies

Open

3

Companies are using cloud computing in their IT infrastructure. Describe what is meant by cloud computing. Describe the impact of cloud computing on companies.

14. Communications technology → 14.4. Cloud computing

Open

4

Explain how project management tools can be used to help when allocating resources in a project.

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

Open

5

Robotics combined with artificial intelligence is having an impact on the human environment. Describe what is meant by robotics. By weighing up the advantages and disadvantages, evaluate the impact on the human environment of combining artificial intelligence with robotics.

7. Expert systems → 7.1. Expert systems

16. System life cycle → 16.2. Analysis

2. Hardware and software → 2.5. User interfaces

Open

6

Describe how a digital television signal is broadcast from a satellite to a receiver for display on a television set in a home.

14. Communications technology → 14.8. Mobile communication systems

14. Communications technology → 14.5. Data transmission across networks

Open

7

By weighing up the advantages and disadvantages, evaluate the impact of tissue engineering on medicine.

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

Open

8

A new website is being developed. The developer wishes to involve users in the development process. Analyse the use of interviews for researching the views of the users.

16. System life cycle → 16.2. Analysis

16. System life cycle → 16.7. Evaluation

Open

9

A group of company managers are going to use a web-conference to discuss the documentation about a new product. The developers already have a desktop computer system. Describe the additional computer hardware they need in order to participate in a web-conference. Describe, in detail, how a web-conference can be used to discuss their visual materials and documents.

16. System life cycle → 16.6. Documentation

16. System life cycle → 16.7. Evaluation

Open

10

A teacher is creating a web page for his students to find out their result, Merit, Pass or Fail, by entering their test score. The teacher has chosen to use the JavaScript switch function to examine the test score entered by the student and report the result on the web page. The code for the web page is shown in . The lines are numbered only for your convenience. Check Your Result by entering your test score 0-100 10 function tscorelookup(){ 11 var report; 12 var result = document.getElementById("myTscore").value; 14 switch{ 15 case result 100: 19 report = "You cannot score a mark above 100"; 20 break; 21 case result >= 40: 22 report = "Your result is a Merit"; 23 break; 24 case result >= 20: 25 report = "Your result is a Pass"; 26 break; 27 case result

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

Open