Computer history By pranavnankani Sep 9, 1918 charger Jan 1, 1939 Audio oscicallater Oct 3, 1940 complex number Oct 3, 1941 zuse conmputer Oct 4, 1956 disk drive Sep 19, 1975 microsoft Sep 9, 1984 apple Mar 8, 2010 i poo (apple toeilt ) Apr 4, 2010 i pad The I pad is a source of good internet source nd for travelling
