0417_s24_qp_11 - revisedeck

0417_s24_qp_11

A paper of Information and Communication Technology, 0417

Questions:

13

Year:

2024

Paper:

1

Variant:

1

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1

Circle two internal hardware components. HDD DVD Cloud Actuator SD Card ROM Printer Motherboard

1. Types and components of computer systems → 1.1. Hardware and software

3. Storage devices and media → 3.1. Storage devices

Open

2

Complete each of the following sentences. The scrambling of data being sent from one device to another device is called Using a computer to maintain the temperature of a room is called Unauthorised access to a computer system is called A conversation between a systems analyst and a member of staff that is part of the analysis is called 1 2

8. Safety and security → 8.3. Security of data

7. The systems life cycle → 7.1. Analysis

4. Networks and the effects of using them → 4.2. Network issues and communication

Open

3

Roger is a 16-year-old student who is setting up a password for his computer. He has four ideas for the passwords he may use. Select the most appropriate password from the list and give reasons for your choice. Roger2008 R08123 RogerZpa55w0rd 6IRrg08& Password Reasons State one way of avoiding password interception. [Turn over 1 2

4. Networks and the effects of using them → 4.2. Network issues and communication

8. Safety and security → 8.3. Security of data

Open

4

There are risks involved when using social networking sites. Describe four strategies you could use to minimise the risks of using social networking sites to make new friends.

10. Communication → 10.2. Effective use of the internet

8. Safety and security → 8.2. eSafety

Open

5

One benefit of using a command line interface (CLis that it uses less computer memory. State two other benefits of a command line interface (CL. State two other types of user interface. 1 2

1. Types and components of computer systems → 1.3. Operating systems

Open

6

Many organisations use audio-conferencing or video-conferencing as some employees work from home. Discuss the advantages and disadvantages of using audio-conferencing rather than video-conferencing. [Turn over 1 2

4. Networks and the effects of using them → 4.2. Network issues and communication

10. Communication → 10.2. Effective use of the internet

6. ICT applications → 6.3. Computer controlled systems

Open

7

An organisation has provided laptops for its sales team to use when working at home and in the office. Give two benefits to the employees of using these laptops for their work. Benefit 1 Benefit 2 Give two issues that may arise from providing employees with these laptops. Issue 1 Issue 2 The network manager of the organisation has been asked to record the details of the employees who have been provided with laptops. The network manager has decided to produce an online data capture form. Describe the main design features that should be considered to make the online data capture form easy to complete accurately. 1 2 The employees are given a list of strategies to follow to reduce the health risks of using laptops. State four strategies that could be included in the list. [Turn over 1 2

5. The effects of using IT → 5.2. Potential health problems related to the prolonged use of IT equipment

7. The systems life cycle → 7.1. Analysis

Open

8

Virtual reality can be used when training for sports. State two other uses of virtual reality. Discuss the impact of virtual reality on everyday life. 1 2

1. Types and components of computer systems → 1.5. Emerging technologies

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9

An expert system can be used to diagnose problems. Explain the following components of an expert system. Rules base Inference engine [Turn over 1 2

6. ICT applications → 6.8. Expert systems

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10

An autonomous vehicle uses an automated braking system. There is a sensor at the front of the vehicle to measure the distance between the vehicle and the obstacle. The brakes are applied when the vehicle gets too close to the obstacle. Describe the use of a microprocessor in the automated braking system.

5. The effects of using IT → 5.1. Microprocessor-controlled devices

7. The systems life cycle → 7.1. Analysis

Open

11

A company is designing a new computer system. After the system has been created and tested, it will be implemented. Compare parallel running and direct changeover. Your answer should include both similarities and differences. 1 2 There is new software in this computer system that has to be evaluated. Describe what needs to be considered when evaluating new software.

7. The systems life cycle → 7.1. Analysis

7. The systems life cycle → 7.6. Evaluation

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12

One of the threats to personal data is credit card cloning. Explain what is meant by credit card cloning. One security improvement for this type of threat is the use of contactless cards. Give two other security improvements that could be made to help reduce this type of threat. [Turn over 1 2

8. Safety and security → 8.3. Security of data

Open

13

A new patient is attending a medical centre. He completes a form with his details and gives this to the secretary who enters the details into a database. The secretary carefully checks the details entered into the database with those on the form. State what this process is called. The medical centre follows a data protection act, so the patient’s data is protected by law. State four principles of a typical data protection act. The age of the patient is stored on the patient's medical record. Explain why it is not sensible to store the age of the patient in the database. Explain what change could be made to the database to solve this problem. 1 2 The database includes primary and foreign keys. A medical ID number is used as the primary key in the database. Examples of the medical ID number include: 556 442 8483 450 557 7104 485 777 3456 State two validation checks that could be used to check the medical ID number. Describe the characteristics of primary keys and foreign keys. 1 2

8. Safety and security → 8.3. Security of data

18. Databases → 18.1. Create a database structure

Open