understandacomplexsystembyitsanalogytoanelectricalcircuit.Beforelaunchingintoallthis,however,we’llbeginwithaquickpreviewofthetopicsfoundintheremainderofthebook,pausingbrieflytoponderthedifferencebetweenanalysisanddesign,andtheevolvingrolecomputertoolsplayinmodernengineering.