Solve all the parts ASAP

a). Turn OFF the 1" bit in: 0x39, Mask: operation: Turn ON the 34 bit in: 0x78, Mask: operation: Toggle the 7th bit in: Ox25, Mask: operation: b). Describe which pins of Port2 are configured for OUTPUT? i) P2DIR=0x27; ii) P2DIR=0x72: c). If we have active-high LEDs and port is configured like P2DIR = Oxaa. i). How to turn these LEDS ON? P OUT = 11). How to turn these LEDs OFF? P OUT = d) If we have an active-high button (A) and active-low button (B) at P2.5 pin as shown below. i). sw P1.0 w R PULLDOWN A PIDIR P2DIR How to scan it, using polling While 4 Buffon pressed. TURN ON the active low LED at PIO 11) PULLUP IN 1.0 SW PIDIR P2DIR B How to scan it, using polling While 4 // Button pressed, TURN ON the active-high LED at P1.0