Queues

The

or

this reason, a queue is referred to as a FIFO structure (First-In First-Out).

Queues occur naturally in situations where the rate at which clients’ demand for services

can exceed the rate at which these services can be supplied. For example, in a network

where many computers share only a few printers, the print jobs may accumulate in a

print queue. In an operating system with a GUI, applications and windows communicate

using messages, which are placed in message queues until they can be handled.queue data structure is characterised by the fact that additions are made at the end,tail, of the queue while removals are made from the front, or head, of the queue. For

 

 

 

 

 

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