Loop example #1 MOV #3, W3 LOOP: BTG PORTB, #0 DEC W3 BRA z, END LOOP BRA LOOP END_LOOP: MOV Loop example #2 MOV #3, W3 LOOP: BTG PORTB, #0 DEC W3 BRA NZ, LOOP MOV... a. Briefly explain what these two loop examples perform in one sentence. Do these two examples perform the same operation? b. Compare the total number of instruction cycles required to execute the loop. Don't count the first and last MOV instructions. Based on the total number of instruction cycles, which loop example you would choose