Do not copy and paste, please.

1. Please refer to the following figure - Polling I/O Read operation 1.a What information does the status register include? (4 points) 1.b Please use a while-loop to implement step 4 in Figure 5.7. (6 points) 1.c How do you use the information in the status register to implement step 2? Please use a while loop to write down the pseudo-code. (5 points)