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Question 1: The English alphabet contains 21 consonants and five vowels. Determine the number of strings of eight lowercase letters of English alphabet contain at least one vowel? Determine the number of possible passwords with eight or ten characters long, where each character is an ASCII letter and there must be at least one @’ in the passwords.

Question 1: The English alphabet contains 21 consonants and five vowels. Determine the number of strings of eight lowercase letters of English alphabet contain at least one vowel? Determine the number of possible passwords with eight or ten characters long, where each character is an ASCII letter and there must be at least one @’ in the passwords.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 1: The English alphabet contains 21 consonants and five vowels. Determine the number of strings of eight lowercase letters of English alphabet contain at least one vowel? Determine the number of possible passwords with eight or ten characters long, where each character is an ASCII letter and there must be at least one @' in the passwords.
Transcribed Image Text:Question 1: The English alphabet contains 21 consonants and five vowels. Determine the number of strings of eight lowercase letters of English alphabet contain at least one vowel? Determine the number of possible passwords with eight or ten characters long, where each character is an ASCII letter and there must be at least one @' in the passwords.
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