Chapter 5, Problem 13RQ

Answer the following with regard to the Examine If Open instruction:

1. a. What is another common name for this instruction?
2. b. What is this instruction asking the processor to examine?
3. c. Under what condition is the status bit associated with this instruction 0?
4. d. Under what condition is the status bit associated with this instruction 1?
5. e. Under what condition is this instruction logically true?
6. f. What state does this instruction assume when it is false?