Help Microprocessor interfacing

In order to send data to the LCD to be displayed, set RS = ___ and ___ pulse to E pin? To read the busy flag of the LCD, what should be the status of RS and RAV bits. A stepper motor translates ___ pulses into ___ ? The stepping action of a stepper motor is controlled by ___ ? If a motor takes 60 steps to make one complete revolution, then what is the step angle? In a 4-sequence stepper motor with 100 steps per revolution, the rotor has ___ teeth? Which of the following is true about the RD and WR pins on the ADC0848? Suppose you want to get converted data out of the ADC0848, what should be the status of CS and RD pins? On the ADC, V_ref is an output voltage? Suppose you are given 8-bit ADC and need to achieve a step size of 5 mV. What should be your V_ref? The pins CH1 ... CH8 in ADC0848 are eight (8) analog input channels. Which of the following statements is true? Which of the following is true about the "INTR" pin in ADC? While CS = 0 and RD = 1, provide the address of the selected channel to the DB0...DB7 pins and apply a low-to-high pulse to the WR pin to latch the address and start conversion. Is this statement true or false