Data Structures Algorithms-II MCQs

Page No. 132

What is the period in bifid cipher?


alength of blocks in which the plain text is divided before encryption

✓


bnumber of letters after which the key is repeated

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cnumber of blocks into which the plain text is divided before encryption

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dnumber of keys used for encryption

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When was Morse system for telegraphy first used?


a1843

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b1844

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c1845

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d 1846

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View Answer 1844

For which device was Morse code developed for?


aTelegraphy

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bStethoscope

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cTelephone

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dSONAR

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View Answer Telegraphy

What is the Morse code for the distress signal is SOS?


a3 Dots, 3Dashes, and 3 Dots

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b3 Dots, 3 Dashes, and 2 Dots

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c3 Dots, 2 Dashes, and 3 Dots

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d2 Dots, 3 Dashes, and 3 Dots

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What is meant by the single dash in Morse code?


aA

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bT

✓


c Z

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dE

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View Answer T

Is the letter “E” represented by the single dot in Morse code?


aTrue

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bFalse

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cA & B

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dNone of these

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View Answer True

Is the letter “E” of English alphabet has the shortest code in Morse Code?


aTrue

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b False

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cA & B

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dNone of these

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View Answer True

The words are separated by a space of how many durations?


a 5

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b6

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c7

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d 4

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View Answer 7

The letters of a word are separated by a space of how many durations?


a1 Dot Duration

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b2 Dot Duration

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c3 Dot Duration

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d4 Dot Duration

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View Answer 3 Dot Duration

What is the duration of Space Signal?


aEqual to Dot Duration

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bMore than Dot Duration

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cEqual to Dash Duration

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dMore than Dash Duration

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View Answer Equal to Dot Duration

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