Explanation: Well the first one was Plankalkül, but it wasn't implemented untill 1998. But the first to be actually used was Short Code.
Answer And explanation
a)
has 1/ probability guess the correct source
b)
Each element in 
is mapped by / . There are 
So there are -1 elements.
number of target elements =
number of source elements = -1
probability = -1 /
c) Probability of the correct target element
1/
The correct answer choice would be letter B.
I hope that this helps !
Answer:
Explanation:
The following code is written in Java and is a function/method that takes in an int array as a parameter. The type of array can be changed. The function then creates a counter and loops through each element in the array comparing each one, whenever one element is found to be a duplicate it increases the counter by 1 and moves on to the next element in the array. Finally, it prints out the number of duplicates.
public static int countDuplicate (int[] arr) {
int count = 0;
for(int i = 0; i < arr.length; i++) {
for(int j = i + 1; j < arr.length; j++) {
if(arr[i] == arr[j])
count++;
}
}
return count;
}
