https://file.aiquickdraw.com/mathbot/file/1726338716008egdp9j7a.jpg

The image presents a scheduling problem with three processes (P1, P2, and P3) and includes both their execution and I/O times, as well as their priorities. 

The task asks to perform three different types of scheduling:

1. **FIFO Scheduling** (First-In-First-Out), where the processes are ordered according to their increasing process numbers.
2. **Priority Scheduling without Preemption**, where the processes are executed according to their priority, but without interrupting an ongoing process.
3. **Priority Scheduling with Preemption**, where processes are interrupted if a higher-priority process becomes available.

### Process Details (from the table):

- **P1**: 
  - Execution Times: 2 units, 3 units, 1 unit
  - I/O Times: 3 units, 2 units
  - Priority: 3
  
- **P2**:
  - Execution Times: 1 unit, 2 units, 1 unit
  - I/O Times: 4 units, 2 units
  - Priority: 2
  
- **P3**:
  - Execution Times: 2 units, 1 unit, 1 unit
  - I/O Times: 2 units, 2 units
  - Priority: 1
  
### Assumptions:
All processes start at time \( t = 0 \).

Would you like to proceed with the scheduling for one of the given methods or should I provide further clarification or breakdowns?

Effectuer un ordonnancement FIFO, par priorité sans préemption, et par priorité avec préemption pour trois processus P1, P2, et P3, en utilisant les temps d'exécution et d'E/S donnés.

Explore how FIFO and priority-based scheduling algorithms are applied to process management in operating systems. This example uses three processes with distinct execution and I/O times, demonstrating how scheduling decisions impact process order and system efficiency.

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