First-Come, First-Served executes processes in the exact sequence they arrive in the ready queue, like a real-world line.
BasisFIFO (First-In, First-Out). Sorted purely by Arrival Time.
Analogy"A grocery checkout line: The first customer is served first, regardless of cart size."
Pros- •Simple logic to understand.
- •Fair in terms of arrival order.
- •No starvation.
Cons- •Convoy Effect: Short jobs get stuck behind long ones.
- •High average wait time.