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The CPU

 
 
The Central Processing Unit (CPU) is an integral component of the computer. It's more or less the "brain" of the device, as its the one that executes the instructions of a program to allow it to carry out its tasks. They are a part of many modern devices other than computers, such as DVD players or smart devices, which isn't often known about as most people exclusively associate them with computers. They have undergone a series of changes and designs, but its key function has remained the same.

There are a few critical factors of which makes a CPU good. One of those factors is clock speed. When you're shown the clock speed, you're being told how many instructions a CPU can process in a second and essentially is indicating how fast it is. With higher clock speeds however comes with extra heat exhaustion and power consumption, so while clock rate has improved exponentially over the course of the past couple of decades, advancements have begun to plateau due to the aforementioned difficulties. 

Another factor that determines CPU quality is the number of cores it has. The industry was revolutionized when dual-core and quad-core CPUs started to appear on the market. Manufacturers decided to focus on putting multiple CPUs on one component rather than focusing on processor speed. You're now able to see 32 cores or even 64 cores in one component nowadays. Such components are an excellent choice if you want a computer for rendering or streaming.

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