FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -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. A Colossus Mark 2 computer being operated by Wrens. The slanted control panel on the left was used to set the “pin” (or “cam") patterns of the Lorenz.

Detailed explanation-2: -Colossus, the world’s first electronic computer, had a single purpose: to help decipher the Lorenz-encrypted (Tunny) messages between Hitler and his generals during World War II. The Colossus Gallery houses the rebuild of Colossus and tells that remarkable story.

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.

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.

Detailed explanation-5: -The Colossus was developed in 1943 by engineer Tommy Flowers, based on plans by the mathematician Max Newman. It was designed to decode the encrypted transmissions from the German teleprinter Lorenz cipher.