Question

Using the English​ alphabet, how many 4​-character case sensitive passwords are​ possible?

Answer 1

Answer:

Let us take small alphabets and there are 26 alphabets

Let us take captial letters and there are 26 letters

So the 5-character case-sensitive passwords possible are

52^5

b)

Let us take small alphabets and there are 26 alphabets

Let us take captial letters and there are 26 letters

And each character is a letter or a digit

0,1,2,3,4,5,6,7,8,9

So the required 5-character case-sensitive passwords are possible if each character is a letter or a digit is

62^5

Step-by-step explanation:

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