What is modulation &demodulation?
Answer / guest
modulation means analog to digital signal
demodulation means digital to analog signal
| Is This Answer Correct ? | 3 Yes | 1 No |
Initially two cups of same volume are present with milk filled upto 3/5th and 4/5th of their volumes.Water is then filled. Then two mixtures are mixed. Find the ratio of water to milk in the mixture.
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Mr. Jaweri decided to walk down the escalator on the station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?
In a colony there are some families. Each of them have children but different in numbers.Following are conditions ano of adult>no of sons>no of daughters>no of families. b>each sister must have atleast one brother and should have at the most 1 sister. no of children in one family exceeds the sum of no of children in the rest families. Tell the no of families.
Given a rectangular (cuboidal for the puritans) cake with a rectangular piece removed (any size or orientation), how would you cut the remainder of the cake into two equal halves with one straight cut of a knife?
lowest common factor of 24 , 36 and 40 is?
Three men goes to a hotel to stay ,the clerk says $30 per room/day so all the three plans to stay in one room so each pays $10.After some time the clerk realises that he made a mistake of collecting $30 but the room cost only $25,there fore he decides to return $5 to them so he calls the room boy and gives him $5 asking him to return. The room boy keeps $2 with him and he returns only $3($1 for each). Now Totally all have paid $9 each($27)+room boy $2 which is equal to $27.where did $1 go,who has made the mistake?
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If 4 circles of equal radius are drawn with vertices of a square as the center, the side of the square being 7 cm, find the area of the circles outside the square?
Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?
A and B's temperature are 10°c and 20°c having same surface , then their ratio of rate of emmisions is ?
there is a 4 inch cube painted on all sides. this is cut into no of 1 inch cubes. what is the no of cubes which have no pointed sides.