x86-64 is 64 bit processing on 32-bit architecture,
not to be confused with true 64 bit-processors like Itanium
http://en.wikipedia.org/wiki/X86-64
Yes, it support 64 bit.
yes
Both. The Intel Core Duo was a 32-bit dual-core processor. The Intel Core 2 Duo is a 64-bit processor.
T2330:http://processorfinder.intel.com/details.aspx?sSpec=SLA4KT5500:http://processorfinder.intel.com/details.aspx?sSpec=SL9SHT5500 has double the cache, faster FSB, and slightly higher clock speed. Much more importantly, the T2330 is a Pentium Dual Core processor, while the T5500 is a Core 2 Duo processor. Both are 64-bit processors.
Core 2 Duo will most probably be faster but a bit more expensive
No. The Intel Core Duo is a 32-bit processor. it is not capable of running 64-bit operating systems or applications.
The iMac uses an Intel Core 2 Duo processor which is a 64 bit processor.
Yes, as long as you have a 64-bit capable processor. A Core 2 Duo, Pentium 4 (Cedar Mill Core), or a Pentium Dual-Core would be capable. An Intel Core Duo is 32-bit only.
Intel is the maker of Core 2 Duo Processor T6500 which was released in the second quarter of 2009. T6500 is a 64-bit dual-core processor with a clock speed of 2.1 GHz.
Yes, however this Intel processor is backwards compatible with earlier Intel processors and can run 32-bit, 16-bit, and 8-bit instructions.
No, but the core 2 duo processors are: http://www.intel.com/products/centrino/compare.htm I also found this web page intersting: http://www.answers.com/topic/intel-core-cpu
The Intel Core 2 Duo is capable of operating in either 32-bit or 64-bit mode.
With Vista, you will find that "handle" depends more on the available memory than the processor. The Core 2 Duo supports EM64T, so it is physically capable of running Vista.
All Intel Core 2 processors are capable of running in both 32-bit and 64-bit mode.