ကြန္ျပဴတာ ဟာ့ဒ္ဝဲ အစိတ္အပိုင္းတီထြင္သူမ်ား

ကြန္ျပဴတာ ဟာ့ဒ္ဝဲ အစိတ္အပိုင္းတီထြင္သူမ်ား Wednesday, May 22, 2013

1:Key board— Herman Hollerith, first keypunch devices in 1930’s -2:Transistor— John Bardeen, Walter Brattain & Wiliam Shockley ( 1947-48) -3:RAM— An Wang and Jay Forrester (1951) -4:Trackball— Tom Cranston and Fred Longstaff (1952) -5:Hard Disk— IBM , The IBM Model 350 Disk File (1956 ) -6:Integrated Circuit— Jack Kilby & Robert Noyce ( 1958) -7:Computer Mouse — Douglas Engelbart (1964) -8:Laser printer— Gary Starkweather at XEROX in1969. -9:Floppy Disk— Alan Shugart &IBM( 1970) -10:Microprocessor— Faggin, Hoff & Mazor – Intel 4004 (1971)

-Ref:techgeek