9.1 Is Bluetooth a suitable technology to use in this scenario? Motivate your answer - NSC Computer Application Technology - Question 9 - 2017 - Paper 2
Question 9
9.1 Is Bluetooth a suitable technology to use in this scenario? Motivate your answer.
9.2 A member's voting controller does not connect to the wireless network, alt... show full transcript
Worked Solution & Example Answer:9.1 Is Bluetooth a suitable technology to use in this scenario? Motivate your answer - NSC Computer Application Technology - Question 9 - 2017 - Paper 2
Step 1
Is Bluetooth a suitable technology to use in this scenario? Motivate your answer.
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Answer
Yes, Bluetooth is a suitable technology because it has a wireless range of about 100 meters, allowing for flexibility in voting as the participants can be seated far from the server. However, it should be noted that Bluetooth requires line of sight in some cases, and device pairing is necessary.
Step 2
Name TWO troubleshooting steps that can be followed to solve the problem. Replacing the voting controller is not an option.
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Ensure the device is paired with the server. This can be re-checked in the device settings.
Restart the device and server to refresh the connection.
Step 3
Explain what is meant by streamed.
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Streaming refers to the continuous transmission of data (usually audio or video) over the internet, enabling viewers to watch the content in real-time as it is being transmitted. This allows for immediate engagement without the need for downloading the entire file.
Step 4
Name TWO components that are required to be able to stream a live event.
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A stable broadband internet connection to support high bandwidth usage.
A camera or video recording device to capture the event.
Step 5
State ONE potential disadvantage of using live streaming.
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Data usage can be high, which may lead to buffering or lagging if the connection is not stable.
Step 6
Which type of software can be used for input by visually impaired users?
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Speech-to-text software can be utilized to facilitate input for visually impaired users, enabling them to participate actively.
Step 7
State TWO advantages of a wireless network over a cabled network.
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Wireless networks are more convenient as they do not require physical cables, allowing users to connect easily from various locations.
They offer mobility, enabling devices to connect while on the move.
Step 8
State TWO additional hardware components that are required to create the wireless network.
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Wireless Access Point (WAP) to allow devices to connect to the network.
Wi-Fi router to manage network traffic and provide internet access.
Step 9
Which upgraded version of Wi-Fi will be suitable to use for the wireless network?
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Wi-Fi 6 (802.11ax) is the upgraded version suitable for higher data rates and better performance in crowded spaces.
Step 10
Give TWO examples of what NFC (near field communication) can be used for.
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Contactless payments using smartphones or smart cards.
Sharing files or data between devices in close proximity.
Step 11
Describe TWO ways in which the organisers can prevent their computers from being accessed by unauthorised software.
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Install up-to-date antivirus and anti-malware software to protect against unauthorized access.
Use firewalls to monitor and control incoming and outgoing network traffic.
Step 12
What is the function of a driver?
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A driver acts as a translator between the operating system and the hardware device, allowing software applications to interact with hardware components effectively.
Step 13
Motivate the above statement in detail by referring to the following: Faster and improved data processing.
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Faster and improved data processing allows votes to be counted electronically via clickers rather than manually. This reduces human error and enables a more accurate counting process using advanced tools, thereby making the system efficient compared to traditional methods.
Step 14
Motivate the above statement in detail by referring to the following: Improved data storage.
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Improved data storage solutions enable large amounts of data to be securely stored electronically without physical space constraints. It allows for quick access and retrieval of results, unlike the slow and cumbersome process of handling paper-based votes.
