Com pute r R evis io n n ote s f o r Sch ool K id s f o r C om petit io n exa m s w it h Q & AH ard w are a n d S o ft w are D evic e sHard w are D evic e sth at c a n b e s e en a n d t o uch edE xa m ple s - M on it o r, C PU , P rin te r, S ca n ner e tc .In p ut D evic e sO utp ut D evic e sSto ra ge D evic e sIn p ut D evic e s: K eyb oard: U se d t o i n p ut t e xt a n d c o m man d s M ouse: A p oin tin g d evic e u se d t o in te ra ct w it h g ra p hic a l e le m en ts o n a s c re en .Sca n ner: C onve rts p hysic a l d ocu m en ts i