How do Tektronix oscilloscopes handle multiple errors or events?
There are also two queues, which are like stacked registers. Queues can store many pieces of information by stacking them up. The queues are FIFO or “first-in, first-out”, so the first time you read it you get the oldest message. Reading a message from the queue will remove it, so as you keep reading the queue you eventually remove all the messages. When the queue is empty you get a message saying there are no more messages.
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