Answer:
Option C, or the CPU.
Explanation:
The audio card simply translate code into sound, the graphic card turns code into graphics, CPU runs electric through tons of little electric pathways, and the motherboard is the object of which all of the above are rested on and connects them together.
The issue would be that the memory was not installed or was not detected by the system. If this happens, the system boot will fail and a beep code is heard. The system would not show anything since all of the software are in the memory which was not installed or detected.
The Boolean type is used to represent true or false values
