The correct answer is D. Central Processing Unit.
A CPU is the main processing unit of a computer. It is responsible for carrying out the instructions of a computer program. The CPU is made up of millions of tiny transistors that work together to perform calculations. The speed of a CPU is measured in gigahertz (GHz). A higher GHz rating means that the CPU can perform more calculations per second.
The CPU is located on the motherboard of a computer. It is connected to the memory, storage, and input/output devices of the computer. The CPU communicates with these devices through a system of buses.
The CPU is the most important component of a computer. It is responsible for carrying out the
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