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


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


dnumber of keys used for encryption



When was Morse system for telegraphy first used?


a1843


b1844


c1845


d 1846


View Answer 1844

For which device was Morse code developed for?


aTelegraphy


bStethoscope


cTelephone


dSONAR


View Answer Telegraphy

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


a3 Dots, 3Dashes, and 3 Dots


b3 Dots, 3 Dashes, and 2 Dots


c3 Dots, 2 Dashes, and 3 Dots


d2 Dots, 3 Dashes, and 3 Dots



What is meant by the single dash in Morse code?


aA


bT


c Z


dE


View Answer T

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


aTrue


bFalse


cA & B


dNone of these


View Answer True

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


aTrue


b False


cA & B


dNone of these


View Answer True

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


a 5


b6


c7


d 4


View Answer 7

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


a1 Dot Duration


b2 Dot Duration


c3 Dot Duration


d4 Dot Duration


View Answer 3 Dot Duration

What is the duration of Space Signal?


aEqual to Dot Duration


bMore than Dot Duration


cEqual to Dash Duration


dMore than Dash Duration


View Answer Equal to Dot Duration

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