A software project where the programmers design the interfaces of the different subroutines before coding d ubroutines themselves. follows a mixture between top-down and bottom-up approaches follows the top-down approach nether follows the bottom-up nor top-down approach follows the bottom-up approach What is the purpose of acquiring two different bits from INTCON register for performing any interrupt operation in PIC16F7 One for enabling the interrupt & one for enabling ISR One for setting or clearing the RBIE bit One for enabling the interrupt & one for its occurrence detection One for enabling & one for disabling the interrupt Assume (REG1)-(FREG), which assembly instruction can be used to move the contents of REG1 to working register? MOVLW None of the listed MOVF OVWF What is the execution speed of instructions in PIC while operating at 4 MHz clock rate? 4 µs execution speed at maximum is (0.2) COOO 0.1 us 0.4 μs- 1 p