18/03/2015
A computer is a machine whichhelpsus to calculate, simulate and storedifferent scenarios. For example, inorder towrite an e-mail, instead ofpaper and pen first we use a software(or program) called wordprocessorwhich helps us enter sentencesthrough keyboard (Input),computer'sscreen (output) to read, and modem (output/input) to send it to a distantrelative, friend, etc.
