Use the following table to solve the questions Mailbox Conte
Use the following table to solve the questions
Mailbox Contents
00 505
01 106
02 507
03 902
04 000
05 1 DAT
06 3 DAT
07 6 DAT
1.What is the value in the calculator after the first instruction (505) is completed?
2.What is the value in the program counter (instruction location counter) after the first instruction (505) is completed?
3.What is the value in the calculator after the fetch but before the execute portion of second instruction (106)?
4.What is the value in the calculator after the third instruction (507) is completed?
Solution
1.What is the value in the calculator after the first instruction (505) is completed?
Answer 1
1
2.What is the value in the program counter (instruction location counter) after the first instruction (505) is completed?
Answer 2
01
3.What is the value in the calculator after the fetch but before the execute portion of second instruction (106)?
Answer 3
1
4.What is the value in the calculator after the third instruction (507) is completed?
Answer 4
6
