Mac OS X binaries are not directly compatible with Windows, the dominant operating system found on "PCs." No suitable ABI has been created, or is likely to be available for several years. Running Mac OS X on commodity hardware is possible, but it often involves a lot of tweaking to get working, and is a violation of Apple's EULA.
There are version of Intel Pentium one through four as well as Intel Pentium Pro, Intel Pentium D, Intel Pentium M, Pentium (2009), and Pentium Duel Core.
Intel 8088 Intel 8086 Intel 286 Intel 386 Intel 486 Intel Pentium Intel Pentium II Intel Pentium III Intel Pentium IV Intel Itanium Motorola 6800 Zilog Z80
The Intel Pentium Dual-Core is much faster.
No. The Pentium predates the Pentium D by more than a decade.
Yes.
On the contrary
No, you cannot.
They are no longer manufactured.
There is no such thing as an "Intel Premium" processor, and the Intel Pentium is 16 years old.
The Intel Pentium III was released on February 26, 1999.
One can buy accessories for an intel Macintosh computer at the Apple website or by calling customer service for the company and telling them what you need. The electronics warehouse Tiger Direct also carries an extensive inventory of software and other items for Macintosh computers.
No. It is much more powerful.