in Swift

c)Consider the following code segment that uses two queues. Explain how the queue operation works as this code is being executed let queue dispatch-get-global-queue (DISPATCH-QUEUE PRIORITY DEFAULT, O) dispatch_async (queue) ( ) -> Void in let ing 1 = Downloader.downloadImagewithURL (imageURLs[01) dispatch_async (dispatch_get_main_queue). I self, imageViewl . image img 1 1) dispatch_async (queue) t ) -> Void in let img2Downloader.downloadImageWithURL (imageURLs [il) dispatch async (dispatch_get_main_queue(, i self.imageView2.image -img2 l)