Can anyone tell me how many mb's is 1gb or how many GHz is what. like is there a chart that can tell me what is what.

This one should help you. http://familyinternet.about.com/cs/c.../aa052401a.htm

Thanks tassie devil that explains a lot but how about GHz like for example my computer is 1.86 GHz 448 MB of RAM so what is a fast computer and what is a slow computer and so on and so on.

MHz stands for mega-Hertz, which means million cycles per second.

What this tells you is the speed of the clock driving the computer's
processor. All computers use a timing clock, actually a crystal, to drive
them. This clock or crystal has high and low voltage changes, and changes
at an exact frequency. Each time the clock changes, the computer's
processor processes some part of an instruction.

So, a computer that has a 500MHz clock is doing something 500 million times
per second. A 1GHz computer does something 1 Billion times per second.

So the higher the number, the faster the computer.

RAM (random access memory) is the place in a computer where the operating system, application programs, and data in current use are kept so that they can be quickly reached by the computer's processor. RAM is much faster to read from and write to than the other kinds of storage in a computer, the hard disk, floppy disk, and CD-ROM. However, the data in RAM stays there only as long as your computer is running. When you turn the computer off, RAM loses its data. When you turn your computer on again, your operating system and other files are once again loaded into RAM, usually from your hard disk.
Once again, the higher the number the faster the computer is able to process the work.