The PowerPC is a RISC microprocessor architecture developed by IBM Motorola and Apple The PowerPC architecture allows both 64bit and 32bit implementations the 64bit implementation includes the 32bit implementation

Please fix the punctuation.
The PowerPC is a RISC microprocessor architecture developed by IBM, Motorola and Apple. The PowerPC architecture allows both 64-bit and 32-bit implementations (the 64-bit implementation includes the 32-bit implementation).