Question 4 1 pts Consider the following statements on this course's HDL programs. Which one is wrong? O HDL is case sensitive and its keywords are written in uppercase letters O Whenever an HDL program XXX.hdl is loaded and parsed into the hardware simulator, the corresponding simulator's builtln chip will be loaded. O A chip definition consists of a header and a body. The header specifies the chip interface and the body its implementation. O Names of chips and pins may be any sequence of letters and digits not starting with a digit. Question 5 1 pts The following four schematics try to implement a full adder using half adders. Which one is correct? sumo sumi sum half addero couto half addera couti OR cout CI sumo sumi sum half addero couto half addera couti xnor cout Cl sumo sumi sum half addero couto half addera couti AND cout sumo sumi sum half addero coutohalf adder cout NO cout CI