First - In - First - Out is non - preemptive scheduling algorithm - Operating System

Discussion

• Nirja Shah   -Posted on 12 Nov 15
  First In, First Out
  - It is also referred to as FIFO.
  
  - It is a method for organizing and manipulating a data buffer, where the oldest (first) entry, or 'head' of the queue, is processed first.
  
  - FCFS is also the jargon term for the FIFO operating system scheduling algorithm, which gives every process central processing unit (CPU) time in the order in which it is demanded.
  
  - A priority queue is neither FIFO or LIFO but they may adopt similar behaviour temporarily or by default.
  
  - Queueing theory encompasses these methods for processing data structures, as well as interactions between strict-FIFO queues.

➨ Post your comment / Share knowledge