Use the following table to solve the questions Mailbox Contents 00 505 01 106 02

Question

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?

Explanation / Answer

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

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