/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: omransalh7 https://cdn.slidesharecdn.com/profile-photo-omransalh7-48x48.jpg?cb=1523276040 مركز الرواد لنظم الحاسبات