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A program is a sequence of instructions written to solve a particular problem. A set of instructions that directs a computer’s hardware to perform a task is called a program, or software program. Application software is, essentially, software that allows the user to accomplish some goal or purpose. Application software includes programs that enable users to perform tasks that use computer resources. Software engineers apply engineering principles to build software and systems to solve problems. They use modeling language and other tools to devise solutions that can often be applied to problems in a general way, as opposed to merely solving for a specific instance or client. Software engineering solutions adhere to the scientific method and must work in the real world, as with bridges or elevators. Their responsibility has grown as products have become increasingly more intelligent with the addition of microprocessors, sensors and software. Not only are more products relying on softw...