CCTV, or closed-circuit television, has undergone significant development since its inception. Initially, CCTV systems were primarily used for surveillance in industrial and commercial settings. These early systems were analogue and used video cassette recorders (VCRs) to record and store footage.

In the 1990s, digital technology began to replace analogue systems, and CCTV systems became more accessible to the general public. Digital systems offered several advantages over their analogue counterparts, including better image quality, greater flexibility in camera placement, and easier storage and retrieval of footage.

As digital technology continued to advance, CCTV systems became more sophisticated and capable of performing tasks beyond simple surveillance. For example, modern CCTV systems can use artificial intelligence (AI) to identify and track individuals, detect suspicious behaviour, and alert security personnel to potential threats.

Despite these advances, CCTV systems are still generally considered to be closed circuit systems, meaning that the footage is only viewable by authorized personnel. However, some modern systems may be connected to a network, allowing remote viewing and management of footage.

Overall, the development of CCTV technology has been driven by a growing demand for better security and surveillance capabilities. As technology continues to advance, it is likely that CCTV systems will become even more sophisticated and effective at protecting people and property.

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