A computer password is required to be 9 characters long. How many passwords are possible if...
A computer password is required to be 9 characters long. How many passwords are possible if the password requires 2 letter(s) followed by 7 digits (numbers 0-9), where no repetition of any letter or digit is allowed?
There are _________ possible passswords.
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A computer password is required to be 9 characters long. How
many passwords are possible if...
A password to a computer consists of 6 characters: a digit, a letter, a digit, a...
A password to a computer consists of 6 characters: a digit, a letter, a digit, a letter, a digit, and a letter in that order, where the numbers from 1 through 9 are allowed for digits. How many different passwords are possible? passwords
A company‘s computer system requires passwords to be 7 to 9 characters long, and ...
A company‘s computer system requires passwords to be 7 to 9 characters long, and to consist of uppercase and lowercase letters {A, a, B, b, C, c, . . . , Z, z}, digits {0, 1, 2, 3, . . . , 9} and the special characters {&, #, $, *, +, _}, and to contain at least one special character or digit. How many such passwords are there?
18. At a certain company, passwords must be from 3-5 characters long and composed of the...
18. At a certain company, passwords must be from 3-5 characters long and composed of the 26 letters of the alphabet, the ten digits 0-9, and the 14 symbols !,@,#,$,%,^,&,*,().-+,{, and ). (As a note, the password does not REQUIRE at least one character of each type. In other words, it is fine if your password doesn't have any digits or is only special symbols.) a. How many passwords are possible if repetition of characters is allowed? [4 points] b....
4: A certain computer program is accessed by entering a user-defined password. If the password a. can contain any lo...
4: A certain computer program is accessed by entering a user-defined password. If the password a. can contain any lowercase letter, uppercase letter, or digit from 0-9, and must contain 10 characters, how many possible passwords are there if no character can be used more than once? Express your answer as a factorial statement. Is 8 an example of permutations or combinations? b.
4: A certain computer program is accessed by entering a user-defined password. If the password a. can...
A password consists of one letter followed by a five-digit number. A) How many passwords are...
A password consists of one letter followed by a five-digit number. A) How many passwords are possible if none of the letters or digits can be repeated? B) What is the probability of guessing the password in one trial if there are no restrictions? (To find the probability use the definition of classical probability.)
Compute the number of passwords of each type below along with how long it would taketo...
Compute the number of passwords of each type below along with how long it would taketo test all possible such passwords if it takes 1 nanosecond to test a password. Report the times in the most convenient human understandable form. In all of these, unless noted otherwise, order matters and repetition of characters is allowed. Passwords of length 8 with any combination of lowercase letters, uppercase letters,and numbers. Passwords that start with a capital letter, have 10 lowercase letters, and...
A password is required to be 12 to 16 characters in length. Characters can be digits (0-9), upper...
discrete math. pls provide a clear
explanation. thanks
A password is required to be 12 to 16 characters in length. Characters can be digits (0-9), upper or lower-case letters (A-Z, a-z) or special characters. There are 10 permitted special characters. There is an additional rule that not all characters can be letters (i.e. there has to be at least one digit or one special character) ow many permitted passwords are there? Give your answer in un evaluated/un·simplified form and explain...
A password must be 6 characters long. Assume the first 4 characters are a word out...
A password must be 6 characters long. Assume the first 4 characters are a word out of a list of 13,000 words, the next 2 chars are digits(0-9) OR a special character from a list of 25. How many passwords are possible?
A password consists of three letters followed by a two-digit number. (a) How many passwords are...
A password consists of three letters followed by a two-digit number. (a) How many passwords are possible if there are no restrictions? 1757600 (b) How many passwords are possible if none of the letters or digits can be repeated? (c) What is the probability of guessing the password in one trial if there are no restrictions? O A. 0.0000007123 O B. 0.0000005690 O C. 0.2 O D. 0.798816568
A 5-character password must start with a letter followed by 4 digits. How many passwords are...
A 5-character password must start with a letter followed by 4 digits. How many passwords are possible? (Digits and letters may be repeated).
A password to a computer consists of 6 characters: a digit, a letter, a digit, a letter, a digit, and a letter in that order, where the numbers from 1 through 9 are allowed for digits. How many different passwords are possible? passwords
18. At a certain company, passwords must be from 3-5 characters long and composed of the 26 letters of the alphabet, the ten digits 0-9, and the 14 symbols !,@,#,$,%,^,&,*,().-+,{, and ). (As a note, the password does not REQUIRE at least one character of each type. In other words, it is fine if your password doesn't have any digits or is only special symbols.) a. How many passwords are possible if repetition of characters is allowed? [4 points] b....
4: A certain computer program is accessed by entering a user-defined password. If the password a. can contain any lowercase letter, uppercase letter, or digit from 0-9, and must contain 10 characters, how many possible passwords are there if no character can be used more than once? Express your answer as a factorial statement. Is 8 an example of permutations or combinations? b.
4: A certain computer program is accessed by entering a user-defined password. If the password a. can...
discrete math. pls provide a clear
explanation. thanks
A password is required to be 12 to 16 characters in length. Characters can be digits (0-9), upper or lower-case letters (A-Z, a-z) or special characters. There are 10 permitted special characters. There is an additional rule that not all characters can be letters (i.e. there has to be at least one digit or one special character) ow many permitted passwords are there? Give your answer in un evaluated/un·simplified form and explain...
A password consists of three letters followed by a two-digit number. (a) How many passwords are possible if there are no restrictions? 1757600 (b) How many passwords are possible if none of the letters or digits can be repeated? (c) What is the probability of guessing the password in one trial if there are no restrictions? O A. 0.0000007123 O B. 0.0000005690 O C. 0.2 O D. 0.798816568
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