27. http://www.youtube.com/watch?v=-dnL00TdmL http://www.youtube.com/watch?v=NN2I1pWXjXI http://www.google.com.ph/imglanding?q=computer&um=1&hl=tl&tbm=isch&tbnid=EBSP2vO441mOLM:&imgrefurl=http://ww w.coolnerds.com/Newbies/Hardware/hardware.htm&imgurl=http://www.coolnerds.com/Newbies/Hardware/hw01.gif&w=511 &h=409&ei=Sx_GTYrDFYKKvgOR7fSwAQ&zoom=1&iact=hc&page=1&tbnh=101&tbnw=126&start=0&ndsp=27&ved=1t:429,r:17, s:0&biw=1366&bih=519 http://www.google.com.ph/imglanding?q=internet&um=1&hl=tl&tbm=isch&tbnid=YpeMs_EAjaaTgM:&imgrefurl=http://cordob o.com/1630-internet-explorer-pure-css- logo/&imgurl=http://farm4.static.flickr.com/3338/4636775442_9087729996_o.jpg&w=500&h=484&ei=lB_GTbmnOoHwvwP6sa 2qAQ&zoom=1&iact=hc&page=1&tbnh=123&tbnw=127&start=0&ndsp=24&ved=1t:429,r:0,s:0&biw=1366&bih=519 http://www.youtube.com/watch?v=6a_KF7TYKVc http://www.youtube.com/watch?v=-mLk5_slds0 http://www.youtube.com/watch?v=2mKI7ZHfNEA