You can't see any of them, but there may literally be millions.
on the order of a billion
Download cpu-z or it might have it somewhere in the bios.
one
Inside the computer, you will find a fan and heatsink assembly clamped on or screwed down. Indeed there may be many of these, but the largest one on your motherboard is most likely the CPU cooler. Under that heatsink is your CPU. Note: If you plan to open up your computer & find the CPU bear a few things in mind. 1. Never open up a computer that's plugged in. 2. Be very careful when removing the CPU heatsink, some clips are very tempermental and you may damage the heatsink CPU or motherboard if you slip.
By using freeware utility called CPU-Z by which I find out many useful information about my computer's CPU, mother board and RAM.
You have at least two problems. First one is some software puts a lot of load on your CPU, you need to find which software does that (use the task manager). Second problem is you do not have effective CPU cooling system. There are many different solutions. The cheapest one is to replace the thermopaste between the CPU radiator and the CPU. If it did not help, you need to replace/clean the radiator. It's possible that you might have to install more fans inside of your case.
They tell the CPU where to find the data, when to read it, and what to do with it.
If you have a set computer brand in mind and know the price range of what you want to spend, you can find reviews on Newegg. Many customers leave reviews where they leave an opinion if they know of a faster CPU.
overclocking
It might not be your CPU at fault, maybe your other hardware can't keep up with your CPU and your CPU has to slow down for them. If you think that this is not the case, you can always go to your bios and overclock your CPU.
First, GHz. GB is a measure of number of bytes, not CPU speed. Many modern CPUs have a feature which enables the CPU to slow down when not in heavy use. AMD Athlon's "Cool 'n' Quiet" is an example of this technology. For example, you might have a 2.6GHz CPU but when you're only browsing the Internet or writing emails, it might slow down to 1.6GHz.
go Start>Run>dxdiag That will tell you info about your CPU and other stuff