Question 41 : Which letter of the English alphabet has the shortest code in Morse Code?
1. A
2. C
3. B
4. E
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Question 42 : What is the basic unit of time measurement in Morse code transmission?
1. Dot duration
2. Dash Duration
3. Numeric Duration
4. Space Duration
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Question 43 : Which word tells a word rate of Morse code's shorter code durations for common characters such as “e” and “t”.?
1. PARIS
2. CODEX
3. PARCOD
4. SPACE
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Question 44 : Who is the creator of Modern International Morse Code?
1. Samuel F. B. Morse
2. Karl Morse
3. Alexander Morse
4. Friedrich Clemens Gerke
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Question 45 : The letters of a word are separated by a space of how many units?
1. 1 Unit
2. 2 Units
3. 3 Units
4. 4 Units
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Question 46 : The dash duration is how many times the dot duration?
1. 1
2. 2
3. 3
4. 4
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Question 47 : Which of the following is a type of traditional cipher?
1. transportation cipher
2. transposition cipher
3. transforming cipher
4. vigenere cipher
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Question 48 : What is the name of special procedural signals that are used to indicate changes in communications protocol status?
1. Prosigns
2. Aldis
3. BIT
4. Asterisk
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Question 49 : Vigenere cipher is harder to decipher than keyword cipher.
1. true
2. false
3.
4.
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Question 50 : What will be the plain text corresponding to cipher text 'PROTO' if vigenere cipher is used with keyword as 'HELLO'?
1. SANFOUNDRY
2. WORLD
3. INDIA
4. AMERICA
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