A lot depends on how you define 'computer.' For very early mechanical devices check out Abacuses which are truly ancient and still in use in some parts of the world; Pascal -- late 17th Cent; Leibniz -- early 18th Cent and Babbage in the early 19th Cent.
The modern computer is a result of the work of Turning in the 1930's thru the 1960's working with Von Neumann's teams at the Institute of Advanced Study at Princeton and the Los Alamos Lab in NM and Aberdeen Proving Grounds in MD. This was all part of the WWII weapons development effort.
This question covers a huge area of study and, every scholar has his own favorites as to who did what and when. PLZ note: This MY opinion.
1945, Charles Babbage inventor of first computer.
Howard Hathaway Aiken invented the first large scale computing system which would eventually be named the Harvard Mark I Computer in 1944. The inventor of the first computer was actually Konrad Zuse who invented the first Z1 computer.
1936 Konrad Zuse - Z1 Computer First freely programmable computer.
Bill Gates, he cam up with the world's first computer, Windows.
The first digital computer was invented in 1943 by John Atanasoff and Clifford Berry.
Dr. John Vincent Atanasoff
Abhinawan Puracchidas was the inventor of first computer speakers.
kanord zuse invented hthe first computer you ever used.
Konrad Zuse was the inventor of the first fully functional, programmable computer in 1941.
Charles Babbage is credited to be the inventor of the first computer in 1832. He is considered as the Father of Computing.
the inventor of min frame computer is Charles Babbage
The first known computer was the Antikythera Mechanism, whose inventor unknown was built around 150 to 100 BC.Atanasoff-Berry Computer