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Optical CPUs (central processing units) are a theoretical concept that utilizes light waves rather than electrical signals to perform calculations and process data. They are based on the idea that using light to transmit information and perform calculations could potentially offer advantages over traditional electronic CPUs, such as faster speeds, lower power consumption, and improved resistance to interference.

However, optical CPUs have not yet been developed or implemented in a practical way, so it is difficult to accurately determine how fast they might be able to operate in GHz (gigahertz). Gigahertz is a unit of frequency that is used to measure the speed at which a CPU can perform calculations, and it is typically used to compare the performance of different CPUs. The speed of an optical CPU would depend on a number of factors, including the materials and technologies used to create it and the specific design of the CPU.

In theory, an optical CPU could potentially operate at much higher speeds than traditional electronic CPUs, as light waves can transmit information much faster than electrical signals. However, the development of practical optical CPUs is still in the early stages, and it is difficult to predict exactly how fast they might be able to operate in the future.

Text created by openAI.com

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