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Your community has established a community policing forum (CPF) - NSC Computer Application Technology - Question 9 - 2017 - Paper 2

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Your community has established a community policing forum (CPF). The chairperson of the forum has asked you to help with improving their ICT system. The CPF office ... show full transcript

Worked Solution & Example Answer:Your community has established a community policing forum (CPF) - NSC Computer Application Technology - Question 9 - 2017 - Paper 2

Step 1

Suggest TWO ways to improve their performance.

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Answer

  1. Upgrade the RAM to a higher capacity to ensure better multitasking and overall speed.

  2. Replace the HDD with a Solid State Drive (SSD) to enhance data access speeds and overall system performance.

Step 2

Discuss how you would go about checking what the problem may be.

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Answer

  1. Check if the mouse is connected properly to the computer. Verify that the cord is not torn or frayed.

  2. Test the mouse on another computer to identify if the issue is with the mouse itself or the computer.

Step 3

Name TWO devices that can be added as components to the computers to make wireless communication possible.

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Answer

  1. A Wi-Fi adapter (USB Wi-Fi dongle) that can connect to the computer's USB port for wireless internet access.

  2. A Bluetooth adapter to enable communication with Bluetooth devices.

Step 4

State TWO ways in which one can know that these computers are old.

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Answer

  1. The computers may have low processing speeds and may struggle with current software requirements.

  2. The hardware specifications, such as low RAM and small HDD capacity, indicate they are outdated.

Step 5

Explain why the CPF should purchase high-capacity hard drives.

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Answer

High-capacity hard drives are essential because video files take up a significant amount of storage space. Purchasing larger drives ensures that there is adequate space for storing all the recorded video footage without the need for frequent management or deletion of existing files.

Step 6

Suggest ONE way to manage the situation when the HDDs are full, but recording must continue.

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Answer

One way to manage this situation is to set up a system that automatically transfers older video files to an external storage solution or cloud storage, thereby freeing up space on the HDD for new recordings while ensuring that important footage is retained.

Step 7

State TWO disadvantages of using wireless cameras.

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Answer

  1. Wireless cameras may have limited range and can be susceptible to interference from walls or other devices, affecting the quality of the feed.

  2. They can be easier to steal, as they do not require extensive wiring that makes them more secure.

Step 8

Give TWO reasons why it may not be a good idea to discuss victims of crime on social media.

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Answer

  1. Discussing victims' identities can compromise ongoing legal processes and invade their privacy, potentially leading to public embarrassment or harm.

  2. Victims may face further victimization or harassment by the public, especially if their personal details are shared.

Step 9

Explain why it would be good to use WhatsApp for alerting residents to possible threats.

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Answer

WhatsApp allows instant communication through text and multimedia messaging, which makes it an efficient way to disseminate information quickly to a large group. Additionally, it ensures privacy, as the communication stays within the application.

Step 10

What type of software could be used to help residents to access the contents of text messages?

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Answer

Text-to-speech software could be beneficial, allowing residents, particularly those with visual impairments, to have messages read aloud. Alternatively, screen reader software can assist in accessing the messages displayed on the screen.

Step 11

Give TWO reasons why it would be a good idea for the CPF to back up their data to a cloud service.

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Answer

  1. Cloud services allow for easy access to data from any location with internet connectivity, which ensures that data is available during emergencies or when physical access to local storage is not possible.

  2. Cloud backups provide automated backup solutions, reducing the risk of data loss due to hardware failure or accidental deletion.

Step 12

Name TWO database features that can be used to determine the number of females who are older than 60 years.

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Answer

  1. Queries can be created to filter the data based on age and gender, allowing for direct counts of relevant entries.

  2. Reports can summarize the filtered data, providing an overview of statistics such as the number of females over 60 years.

Step 13

What is the advantage of using an input form instead of a table in Datasheet View to capture data?

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Answer

Using an input form provides a user-friendly interface that allows for easier data entry, reducing the risk of mistakes. It can display one record at a time, which helps users to focus on the data being entered without the distractions present in a table format.

Step 14

Suggest THREE ways to make the graph easier to understand.

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Answer

  1. Add a title to clarify what the graph represents.

  2. Include data labels on the bars to show exact figures for each category.

  3. Use different colors or textures to distinguish between the categories clearly.

Step 15

Why would a pie graph not be suitable to represent this information?

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Answer

A pie graph is not suitable because it is designed to show proportions of a whole, which may not effectively display both crime categories (burglary and car theft) simultaneously in a way that allows for easy comparison of the two datasets.

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