A company named e-Waste Technologies Africa specialises in the recycling of electronic waste - NSC Information Technology - Question 6 - 2022 - Paper 2
Question 6
A company named e-Waste Technologies Africa specialises in the recycling of electronic waste.
6.1 Recycling in the 21st century plays a critical role to save our pl... show full transcript
Worked Solution & Example Answer:A company named e-Waste Technologies Africa specialises in the recycling of electronic waste - NSC Information Technology - Question 6 - 2022 - Paper 2
Step 1
6.1.1 Define the term electronic waste.
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Electronic waste refers to electronic devices or items related to electronics that are obsolete or no longer needed.
Step 2
6.1.2 Give ONE reason why electronic waste is often hazardous to the environment.
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Electronic waste often contains toxic and harmful materials that can leach into the environment if not disposed of properly.
Step 3
6.1.3 State TWO ways to reduce electronic waste.
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Keep old devices and replace them only if necessary.
Donate or sell electronics that are still functional.
Step 4
6.1.4 Explain what should be done with regard to a user's privacy with any electronic storage device before it is recycled/discarded.
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Before recycling or discarding an electronic storage device, it should be formatted or cleared to permanently destroy any access to personal data.
Step 5
6.2.1 (a) The employees use e-mail for daily communication.
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Employees utilize email as a primary form of communication with each other.
Step 6
6.2.1 (b) Differentiate between the POP protocol and the IMAP protocol used for e-mail.
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With POP, your emails are downloaded to your device and deleted from the server, while with IMAP, emails remain on the server allowing access from multiple devices.
Step 7
6.2.1 (c) Spam is a problem for the employees at the company.
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Spam can clog the internet and create unnecessary traffic, impacting productivity.
Step 8
6.2.1 (d) Fake news usually spreads rapidly over the internet and has the potential to cause chaos.
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Two ways to identify fake news include: 1. Cross-referencing the content with reputable news sites. 2. Checking the references of the author.
Step 9
6.2.2 (a) State another way in which to send the attachment successfully over the internet.
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The file should be uploaded to cloud storage and shared with the intended recipient.
Step 10
6.2.2 (b) State ONE risk of sending the attachment when using your suggested method in QUESTION 6.2.2(a).
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One risk is that the service might lack good security practices, leading to potential data breaches.
Step 11
6.2.2 (c) Explain what a media repository is.
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A media repository is an online storage location for sharing and downloading digital files.
Step 12
6.2.2 (d) Define the term ubiquity in terms of the way in which we work with files on the internet.
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Ubiquity refers to the accessibility of files from anywhere at any time using internet-enabled devices.
Step 13
6.3.1 (a) Briefly explain what a RAT is.
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A RAT (Remote Access Trojan) is a type of malware that allows unauthorized access to a user's computer.
Step 14
6.3.1 (b) State TWO ways in which a user's computer could be infected with Trojan malware.
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Downloading/installing software from untrusted sources.
Opening infected email attachments.
Step 15
6.3.2 Give TWO reasons why websites are often hacked.
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Websites may expose personal information for identity theft.
Hackers may redirect traffic to phishing sites.
Step 16
6.4.1 Explain what a distributed database is.
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A distributed database is a database that is spread across servers in different locations, allowing for data management and redundancy.
Step 17
6.4.2 What is the main difference between the Duplication model and Partitioning model in terms of the data that they store?
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In the Duplication model, each site has a copy of the entire database, while in the Partitioning model, each site manages its own subset of data.
Step 18
6.4.3 Discuss why there is a need for regular data synchronisation when a distributed database model is used.
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Regular data synchronisation is necessary to ensure that all copies of data remain updated and consistent across different locations.
Step 19
6.5.1 What is such a system called?
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Such a system is called a Decision Support System (DSS).
Step 20
6.5.2 Explain how an expert system/knowledge-based system can be used in conjunction with the system in QUESTION 6.5.1 to ensure quick automated decision-making.
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An expert system can provide a rule-based reasoning process to analyse the data gathered by the DSS, enhancing the decision-making speed and accuracy.
Step 21
6.6.1 What does open-source refer to?
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Open-source refers to software that provides access to its source code, allowing users to modify and adapt it.
Step 22
6.6.2 Name ONE type of file that the disk clean-up program will identify and remove during scanning.
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The disk clean-up program will identify temporary or redundant files.
Step 23
6.6.3 (a) Define the term digital divide.
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The digital divide is the gap between those who have access to digital technologies and those who do not.
Step 24
6.6.3 (b) State TWO factors that contribute to the digital divide.
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Lack of financial resources to acquire technology.
Differences in educational levels.
Step 25
6.7.1 Explain the difference between hyper-automation and RPA.
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Hyper-automation involves AI-driven processes for managing tasks, whereas RPA focuses specifically on automating repetitive tasks.
Step 26
6.7.2 Discuss how RPA will help solve this problem in order to keep factories running.
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RPA can help compensate for an aging workforce by automating manual tasks, allowing older workers to focus on more complex responsibilities.
Step 27
6.8.1 Differentiate between virtual reality and augmented reality.
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Virtual reality creates a completely immersive experience that replaces the real world, while augmented reality overlays digital information onto the real world.
Step 28
6.8.2 How might XR (extended reality) have a further improvement on the realities named in QUESTION 6.8.1?
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XR can enhance user experiences by blending virtual and augmented reality, providing richer interactions and possibilities for real-world applications.
