FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Colossus was the world’s first electronic digital computer that was programmable. The Colossus computers were developed for British codebreakers during World War II to help in the cryptanalysis of the Lorenz cipher.

Detailed explanation-2: -Colossus used thermionic valves (vacuum tubes) to perform Boolean and counting operations. Colossus is thus regarded as the world’s first programmable, electronic, digital computer, although it was programmed by switches and plugs and not by a stored program.

Detailed explanation-3: -ENIAC, in full Electronic Numerical Integrator and Computer, the first programmable general-purpose electronic digital computer, built during World War II by the United States. American physicist John Mauchly, American engineer J.

Detailed explanation-4: -However the Colossus was the first fully programmable electric computer. Invented and designed by Tommy Flowers and Alan Turing, it made a major contribution to ending WWII when it helped to crack the codes of Nazi encryption machines.