1-How can the CPU recognize the device requesting an interrupt? 2-Since different devices are likely to require different interrupt service routines, how can the CPU obtain the starting address of the appropriate routine in each case? 3-Should any device be allowed to interrupt the CPU while another interrupt is being serviced? 4-How can the situation be handled when two or more interrupt requests occur simultaneously?

Q: Practice: show that L = {awa: w E {a,b}*} is regular.

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A: (a | b)

Q: 4. Construct a truth table for the following statement form: ~ p V q⇒r

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Embedded Software Development

Using specific programming languages (like C and C++) to write code for a specific hardware device in which it runs is called embedded software development. It makes the device smart by performing actions based on user's input which improves the user experience. They are designed to perform function-specific tasks rather than doing multiple tasks like computers. The embedded system is incredibly intuitive. An embedded software system could be a system developed and organized on any device, apart from an old-fashioned computer. It is the brain of a specific device; however, it is a solely useless tool and simple to elucidate what software system is embedded.