GamerGirl15
28.09.2020 •
Mathematics
Abby is registering at a Web site and must select a six-character password. The password can contain either letters of digits.
a. How many passwords are possible if characters can be repeated? If no characters can be repeated?
b. How many passwords are possible if all characters are letters that can be repeated? If the password must contain exactly one digit? Which type of password is more secure? Explain.
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Ответ:
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