Spencer, Donald D. <br/><br/>Computers:  an introduction / Donald D. Spencer.  -- Columbus, Ohio  Merril Pub.  1986 <br/>xxii, 348 p.  ports., col.;  25 cm. <br/><br/> Includes glossary and index. <br/><br/><label>ISBN: </label>067520559x <br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/><br/><label>Dewey Class. No.: </label>GC 004 Sp33 1986