Your municipality has formed a committee to deal with disaster management - NSC Computer Application Technology - Question 10 - 2017 - Paper 2
Question 10
Your municipality has formed a committee to deal with disaster management.
10.1 Mobile emergency officers will receive ICT equipment.
10.1.1 What Internet connecti... show full transcript
Worked Solution & Example Answer:Your municipality has formed a committee to deal with disaster management - NSC Computer Application Technology - Question 10 - 2017 - Paper 2
Step 1
What Internet connection should the officers get?
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Officers should get a high-speed Internet connection such as Cellular, 3G, Wi-Fi, or LTE to ensure they can access information and communicate effectively during disaster situations.
Step 2
Give TWO reasons for using an SSD rather than a traditional hard drive on laptop computers for the officers.
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SSDs offer faster data access speeds compared to traditional hard drives, reducing boot and load times, which is critical in emergencies.
SSDs are more resistant to physical shock, making them better suited for mobile environments where equipment may be subject to movement and impact.
Step 3
Give a specification of the laptop computer screen that will affect its use in sunlight.
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The brightness of the screen is a key specification, as higher brightness levels (measured in nits) improve visibility in direct sunlight, enabling officers to view critical information with clarity.
Step 4
What popular instant messaging service can be used to create groups for sharing disaster alerts for the area?
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WhatsApp is a popular instant messaging service that can be used to create groups for sharing disaster alerts, allowing for quick communication among officials and citizens.
Step 5
State TWO disadvantages of crowd-funding for the individual who contributes money.
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Contributors may not receive any financial return or gain, as crowd-funding is often seen as a donation rather than an investment.
There is a risk of project failure, meaning contributors could lose their money without any tangible benefit.
Step 6
What technology would citizens use to determine the precise location of a natural disaster they may witness?
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Citizens would use GPS or cellular triangulation technology to determine their precise location and report incidents accurately.
Step 7
What information does a pin on a map provide in a mapping service app such as Google Maps?
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A pin on a map provides information such as the location's coordinates, the name, and potentially additional details about the site, like nearby landmarks or services.
Step 8
State an advantage of using RFID tags for people that have been displaced as a result of a disaster.
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An advantage of using RFID tags is that they allow for quick and accurate tracking of displaced individuals, ensuring their safety and facilitating efficient aid distribution.
Step 9
Give TWO examples of biometric devices.
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Fingerprint readers can be used to identify individuals entering venues.
Iris scanners provide secure identification based on unique iris patterns.
Step 10
State TWO ways in which having a user account, such as an account with Google, Apple or Microsoft, can be helpful when a smartphone is lost.
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Users can remotely lock or erase their smartphone through the account, protecting sensitive data.
Location tracking features can help locate the lost device, increasing the chances of recovery.
Step 11
What service can the municipality set up at the venues to provide free wireless internet access to the people accommodated there?
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The municipality can set up Wi-Fi hotspots at the venues, allowing displaced individuals to access the internet for communication and information.
Step 12
State TWO precautions one should take when using a public computer.
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Avoid logging into sensitive accounts, such as online banking or personal email, to reduce the risk of identity theft.
Always log out of accounts and clear browser history after use to protect personal information.
Step 13
What type of software is to blame for the message above?
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The software in question is classified as malware, specifically ransomware, which encrypts files and demands a ransom for their release.
Step 14
What is Bitcoin?
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Bitcoin is a digital or virtual currency that operates on a decentralized network, allowing for anonymous transactions without the need for a central authority.
Step 15
State an advantage of being paid in Bitcoin for the authors of the message.
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An advantage of being paid in Bitcoin is that transactions can remain anonymous, making it difficult to trace funds back to the individual, thus increasing security for the authors.
Step 16
What action can the municipal IT department take to react to this threat?
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The municipal IT department can take several actions including restoring data from backups, conducting a thorough security audit, and reinforcing systems against future attacks.
Step 17
Why is the ID number in cell A2 displayed incorrectly?
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The ID number is displayed incorrectly because it is formatted as scientific notation, which is common for large numbers in spreadsheet applications.
Step 18
Why wouldn't you get the average age of the survivors?
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The formula may not return the average age correctly if the range D2:D200 includes non-numeric data or if there are empty cells that could skew the calculation.
Step 19
State TWO ways to fully display the word 'Age_Group' in cell E1.
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Manually widen the column to ensure the text fits without being cut off.
Use the 'Wrap Text' feature to allow the text to display on multiple lines within the cell.
