Multiple Choice: 1)Which of the following is the first stage in the evolution of modern IT infrastructure? a.enterprise computing b.mainframe and dumb terminals c.stand-alone mainframes d.stand-alone personal computers 2)In the evolution of modern IT infrastructure, what stage came after the stand-alone mainframe but before stand-alone personal computers? a.cloud computing and mobile computing b.enterprise computing c.local area networks d.mainframe and dumb terminals 3)In the evolution of modern IT infrastructure, what stage came after the mainframe and dumb terminals but before local area networks? a.cloud computing and mobile computing b.enterprise computing c.stand-alone mainframes d.stand-alone personal computers 4)In the evolution of modern IT infrastructure, what stage came after the stand-alone PC but before enterprise computing? a.cloud computing and mobile computing b.local area networks c.mainframe and dumb terminals d.stand-alone mainframes 5)In the evolution of modern IT infrastructure, what stage came after local area networks but before cloud computing and mobile computing? a.enterprise computing b.mainframe and dumb terminals c.stand-alone mainframes d.stand-alone personal computers Â