What is the smallest value that can be used in the ADDI instruction as the immediate? Enter a decimal number. QUESTION 2 After the execution of "addi x0,x0,1", what is the value in register 0 ? QUESTION 3 If we use the following instruction to compare values in registers x1 and x2 and go to label L1 if x1>x2. Which register should be placed in the first blank? QUESTION 4 Study the example of Method 1 for implementing the while loop on slide 16:While - Method 1 in lecture 1.2. How many times is the BGE instruction executed