#1
Which country's team first cracked the Enigma code?
United Kingdom
ExplanationBletchley Park in the United Kingdom successfully cracked the Enigma code during World War II.
#2
What was the name of the machine developed by Alan Turing to crack the Enigma code?
Bombe
ExplanationAlan Turing developed the Bombe, an electromechanical device, to decipher Enigma-encoded messages.
#3
Which Axis power used the Enigma machine to encrypt their military communications?
Germany
ExplanationGermany, an Axis power, used the Enigma machine to encrypt their military communications.
#4
Which codebreaking method involved capturing codebooks from enemy vessels?
Naval interception
ExplanationNaval interception, capturing codebooks from enemy vessels, was a codebreaking method used during wartime.
#5
Which Allied country was the first to use the Colossus computer to crack German codes?
United Kingdom
ExplanationThe United Kingdom was the first Allied country to use Colossus, the world's first programmable digital computer, to decrypt German codes.
#6
What was the primary method used by Allied cryptanalysts to break the German Enigma codes?
Frequency analysis
ExplanationFrequency analysis, analyzing patterns in encrypted messages, was the primary method used by Allied cryptanalysts to break the German Enigma codes.
#7
Which Allied cryptanalyst team was responsible for breaking the Japanese Purple code?
Magic
ExplanationThe Allied cryptanalyst team known as 'Magic' successfully broke the Japanese Purple code.
#8
Who was the head of the British cryptanalyst team at Bletchley Park during World War II?
Alastair Denniston
ExplanationAlastair Denniston served as the head of the British cryptanalyst team at Bletchley Park during World War II.
#9
Which American mathematician played a key role in the development of the first programmable digital computer, Colossus?
Alan Turing
ExplanationAlan Turing, a prominent American mathematician, played a key role in the development of the first programmable digital computer, Colossus.
#10
What was the code name of the operation that aimed to capture the German Enigma machine and codebooks?
Operation Mincemeat
ExplanationOperation Mincemeat was the code name for the mission to capture the German Enigma machine and codebooks.
#11
What was the primary function of the Lorenz SZ40/42 encryption machine?
Encrypting army orders
ExplanationThe Lorenz SZ40/42 encryption machine was primarily used for encrypting army orders.
#12
What was the code name of the British program aimed at deciphering messages intercepted from German High Command's teleprinter traffic?
Project Ultra
ExplanationProject Ultra was the code name for the British program focused on deciphering messages intercepted from German High Command's teleprinter traffic.
#13
Who was the head of the German cipher bureau responsible for Enigma encryption during World War II?
Arthur Scherbius
ExplanationArthur Scherbius was the head of the German cipher bureau responsible for Enigma encryption during World War II.
#14
Which Allied country contributed significantly to breaking the Japanese naval codes during World War II?
United States
ExplanationThe United States contributed significantly to breaking the Japanese naval codes during World War II.