Answer:
D. 33mhz
Step-by-step explanation:
The PCI is short for peripheral component interconnect. This has speed and was made by Intel. At first it was made to be 32 bits and with a speed that 2as up to 33 megahertz. But other versions that followed had 64 bit and 66 megahertz.
This bus can stay with other buses and can work in synchronous or the asynchronous mode.