Section B — Problem solving and calculation (3 × 15 = 45 marks) Show your working. Assume typical real-world values where necessary.
Title: Why "Extra Quality" is Non-Negotiable for Modern Surveillance
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Security demands clarity. Standard surveillance often falls short when you need to identify a license plate, capture a face in low light, or monitor a large perimeter. This is where extra-quality network cameras (IP cameras) make the difference. These high-tier devices move beyond basic video recording. They integrate advanced optics, powerful image sensors, and edge computing to deliver actionable intelligence. What Defines an "Extra Quality" Network Camera?
: Triggers instant alerts the exact second a virtual boundary is breached.
: Premium cameras utilize 1/1.8" or 1/1.2" CMOS sensors to capture more light than standard 1/3" sensors.
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Section C — Essay and design (2 × 12 = 24 marks) Write structured, referenced answers. Include diagrams or bullet-step designs as appropriate.
A camera that produces beautiful 8K video but can be hacked is a liability, not an asset. includes robust cybersecurity:
Lighting is rarely perfectly even, especially near windows, doorways, or outdoor parking lots.
“Extra quality” refers to performance beyond baseline functionality, including:
Marking rubric (for examiner)
To achieve premium surveillance, these cameras utilize sophisticated internal components and software. 1. Superior Imaging Sensors
Choosing an "extra quality" network camera offers significant long-term advantages over budget, standard-definition alternatives:
Standard cameras often max out at 1080p (2 Megapixels). Extra-quality cameras utilize resolutions. This allows you to digital zoom into a scene to capture license plates or facial features without pixelation. Advanced Low-Light Performance
