How many PIC pin(s) we need to connect Relay to the PIC: Select one O A. Three pins O B. One pin 0 C. Two pins O D. Four pins You need to display letter "F" on a common cathode 7 segment display, segment dp (decimal point) is the MSB(most significant bit) next to it segment g. and a is the LSB, the appropriate code is: Select one A 0x7E OB. 0x0F C. 0x8E D. 0x71 The number of pins needed to connect an external clock generator to the PIC is: Select one O a. Two pins O b. One pin O c. It depends on the crystal frequency O d. Zero pins Transistors H-bridge is used to: Select one: O A. Control AC motor speed O B. Control AC, DC motor direction O C. Control DC motor direction OD. Control DC motor speed When connect LCD to PIC, the number of PIC pins that connected in 4 bit mode are Select one: o a. 6 PIC pins O b. 8 PIC pins O c. 4 PIC pins O d. 10 PIC pins