Hey, can anyone please answer these following questions. I cant answer them. Your help will be very aapreciated

Q1. In sending streams of characters to the LCD there are two methods: (1) checking the busy flag, or (2) putting some time delay in between sending each character without checking the busy flag.

Q2. Explain the difference and the advantages and disadvantages of each method.
Also explain how we monitor the busy flag.

Q3. For a 16x2 LCD, the location of the first character of line 2 is C0H (its command code). Show how this value was calculated.

Q4. For a 20x2 LCD, the location of the third character of line 2 is C2H (its command code). Show how this value was calculated.

Q5. For a 40x2 LCD, the location of the last character of line 2 is E7H (its command code). Show how this value was calculated.

Q7. Show the value (in hex) for the command code for the 10th location, line 1 on a 20x2 LCD. Show how you got your value.

Q8.Select a LCD you could use for the 8051 micro that is being used in class. Print out itsspec sheet along with vendor and cost.