9626_s21_qp_32 - revisedeck

9626_s21_qp_32

A paper of Information Technology, 9626

Questions:

14

Year:

2021

Paper:

3

Variant:

2

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1

Describe the limitations of using wireless access points (WAPs) to connect portable computers to a cabled network.

14. Communications technology → 14.7. Wireless technology

Open

2

Describe how information technology can enhance vision for visually impaired people.

6. The digital divide → 6.1. The digital divide

1. Data processing and information → 1.1. Data and information

12. IT in society → 12.5. Technology enhanced learning

Open

3

Ferdinand shops online using his credit card. Ferdinand has noticed that fraudulent transactions have appeared on his credit card statement. Describe how it is possible for Ferdinand to be subjected to fraud when using his credit card for online shopping.

1. Data processing and information → 1.5. Data processing

Open

4

Evaluate, by weighing up the advantages and disadvantages, the use of encryption to protect confidential data.

1. Data processing and information → 1.3. Encryption

Open

5

Describe the benefits and drawbacks of using electronic funds transfer systems in eBusiness.

1. Data processing and information → 1.5. Data processing

12. IT in society → 12.1. Digital currencies

Open

6

Switches are devices used in computer networks. Describe the role and operation of a network switch.

14. Communications technology → 14.6. Network protocols

14. Communications technology → 14.3. Network servers

Open

7

Computer-assisted translation (CAT) can be used by companies whose products and services are available worldwide. Describe how CAT could be used by a software company creating computer games that are available in many different countries. Describe the benefits to the company of using CAT. Describe one drawback of the company relying on CAT for translations in computer games.

2. Hardware and software → 2.2. System software

2. Hardware and software → 2.3. Utility software

Open

8

Biometric payment systems can be used to pay for school meals. Students do not need to carry or use a payment card to buy goods but can use their fingerprints at the Point-of-Sale terminal. Describe three components of a biometric payment system that might be used. Describe how the biometric payment system is used by students to pay for meals.

5. eSecurity → 5.1. Personal data

14. Communications technology → 14.9. Network security

Open

9

A new store is being opened and a spreadsheet is being created to manage its finances and to calculate the projected profits. There are several ways of prototyping software during development. Suggest reasons why incremental prototyping would be the most appropriate method to use. Test data has been created to fully test the spreadsheet. Explain why test data is being used.

16. System life cycle → 16.9. Prototyping

16. System life cycle → 16.4. Development and testing

Open

10

A regional government is planning to install broadband internet technology throughout its rural areas. Analyse the effectiveness of using pilot implementation when installing the technology.

16. System life cycle → 16.5. Implementation

14. Communications technology → 14.5. Data transmission across networks

Open

11

It is sometimes possible for people to gain unauthorised access to computer rooms. A school has a computer room with a number of standalone computers. Evaluate, by weighing up the advantages and disadvantages, methods for protecting data stored on these computers.

5. eSecurity → 5.1. Personal data

14. Communications technology → 14.9. Network security

Open

12

A portrait painter has a website which he uses to display photographs of his work. The website uses thumbnail and large images to show the photographs. Analyse the use of bitmap graphics for this purpose.

19. Graphics creation → 19.1. Common graphics skills

19. Graphics creation → 19.3. Bitmap images

Open

13

Bluetooth and infrared can both be used to send data between devices. Contrast, by describing the differences between, the use of Bluetooth and the use of infrared for transmitting data between devices.

14. Communications technology → 14.7. Wireless technology

14. Communications technology → 14.8. Mobile communication systems

Open

14

Describe bit streaming. Describe the differences between real-time bit streaming and on demand bit streaming.

14. Communications technology → 14.5. Data transmission across networks

Open