Hybrid processors that can process 32 bits or 64 bits are known by what term?

For the answer to the question above asking, what h ybrid processors that can process 32 bits or 64 bits are known by what term?

I think you are referring to the Chipset. and they are Manufactured by Intel and Advance Micro Devices (AMD). Intel's Pentium is the first one to have 32 bits and 64 bits of processors.