Question: You are using a computer system that has 20 terminals connected to a mainframe computer using roll-call polling. Each terminal is polled once a second

You are using a computer system that has 20 terminals connected to a mainframe computer using roll-call polling. Each terminal is polled once a second by the mainframe and sends a 200-byte record every 10 seconds. The boss says you should remove the terminals, install computer workstations, and replace the polling with asynchronous connections. Which is more efficient: keeping the terminals and polling, or using workstations and asynchronous connections?

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