Understanding computers input and output. 

 - Virgina:  Time Life,  2000. 
 - 127 p. 
<br/><br/><label>ISBN: </label>0809456664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science <br/>Computer perpherals <br/>Input functions <br/>Output functions <br/>Input / Output 
<br/><br/><label>Dewey Class. No.: </label>004.75  / UND