1. (8%) What is in PORTD after line 9? Explain using the operation of XOR. Do not just quote that MPLAB runs this way.

2. (8%) What is in PORT C after line 11? Explain!.

3. (8%) If line 11 is changed to PORTC = 0x9A >> 8; What happens to the code? What will be in PORT C after line 11?

4. (15%) What happen to PORTB, PORTC and PORTD after execution of lines 7, 8, and 9 if lines 7, 8, and 9 change to:

PORTC = 0x35 ^ 0x0F;

PORTD = 0x04 & 0x68;

PORTB = 0x54 | 0x78;