From Wiki:
The Motorola 68000 is a 16/32-bit [1] CISC microprocessor core designed and marketed by Freescale Semiconductor (formerly Motorola Semiconductor Products Sector). Introduced in 1979 with HMOS technology as the first member of the successful 32-bit m68k family of microprocessors. It is generally software forward compatible with the rest of the line despite being limited to a 16-bit wide external bus. After three decades in production, the 68000 architecture is still in use.
It
is 16/32-bit. In other words both. A hybrid more or less. The PPC is pure 32-bit.
The x86 is also a hybrid, so hybrids seem to be the norm.
