Q1. The hypothetical machine has following instructions including I/O instructions: Load AC from I/O=0011 Store AC from I/O=0111 Add to AC from memory=0101 Load AC from memory = 0001 Store AC to memory = 0010 Jump if positive = 0100 Jump =0110 Show the program execution for the following program: 1. Load AC from device 8 2. Store AC to memory location 400 3. Load AC to memory 402 4. Subtract contents of memory location 400 5. Jump if positive to line 9 6. Load AC to memory 400 7. Subtract content of memory location 402 8. Jump to line number11 9. Load AC to memory 400 10. Add content of memory location 402 11. Store AC to memory location 403 Assume values yourself.
Q1. The hypothetical machine has following instructions including I/O instructions: Load AC from I/O=0011 Store AC from I/O=0111 Add to AC from memory=0101 Load AC from memory = 0001 Store AC to memory = 0010 Jump if positive = 0100 Jump =0110 Show the program execution for the following program: 1. Load AC from device 8 2. Store AC to memory location 400 3. Load AC to memory 402 4. Subtract contents of memory location 400 5. Jump if positive to line 9 6. Load AC to memory 400 7. Subtract content of memory location 402 8. Jump to line number11 9. Load AC to memory 400 10. Add content of memory location 402 11. Store AC to memory location 403 Assume values yourself.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Q1. The hypothetical machine has following instructions including I/O instructions:
Load AC from I/O=0011
Store AC from I/O=0111
Add to AC from memory = 0101
Load AC from memory = 0001
Store AC to memory = 0010
Jump if positive = 0100
Jump =0110
Show the program execution for the following program:
1. Load AC from device 8
2. Store AC to memory location 400
3. Load AC to memory 402
4. Subtract contents of memory location 400
5. Jump if positive to line 9
6. Load AC to memory 400
7. Subtract content of memory location 402
8. Jump to line number11
9. Load AC to memory 400
10. Add content of memory location 402
11. Store AC to memory location 403
Assume values yourself.
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