Question

A certain Internet provider requires that its e-mail addresses consist of 6 characters (letters A to...

A certain Internet provider requires that its e-mail addresses consist of 6 characters
(letters A to Z or digits 0 to 9). Further, the first character must be a letter, and the
last character must be a digit. How many different e-mail accounts are possible from
this provider?
Math   Advanced-Math   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose that passwords for an email provider: must be either 8 or 10 characters long are...
Suppose that passwords for an email provider: must be either 8 or 10 characters long are case-sensitive, can include digits, and can include any of 12 special characters cannot end in a special character must contain at least one capital letter, one digit, or one special character (can contain more than one, just must contain at least one) How many different passwords are possible?   Show your work.   Work on the back of this sheet and attach additional sheets as necessary.    A final answer...
1) Assume that a password can contain upper and lower-case letters (26), digits, and special characters...
1) Assume that a password can contain upper and lower-case letters (26), digits, and special characters from the set { !, #, $, %, &, * }. Furthermore, each password must start with a letter and must contain at least one digit and one special character. How many different six-character passwords can be formed according to this specification?
A computer password consists of six characters. 36a. How many different passwords are possible if each...
A computer password consists of six characters. 36a. How many different passwords are possible if each character may be any lowercase letter or digit, and at least one character must be a digit? Please enter your result in scientific notation, making sure the answer in the left box is between 1 and 10. 36b. A computer system requires that passwords contain at least one digit. If six characters are generated at random, and each is equally likely to be any...
A computer password consists of: • letters {a, A, 6, B, ...,2,Z}, • digits {0, 1,...,9),...
A computer password consists of: • letters {a, A, 6, B, ...,2,Z}, • digits {0, 1,...,9), or = 16 • special characters {!,@,#,$,%}. In addition, a password must • contain at least one upper case letter, • contain at least one special character. How many passwords of length 8 are possible?
For a certain computer program a password must be exactly 5 characters long. The first character...
For a certain computer program a password must be exactly 5 characters long. The first character can be any lowercase letter, the second must be an uppercase letter, the third character must be a number from 0 – 9, the fourth character can either be a lowercase letter or a number 0 - 9, the fifth character has to be exactly the same as the first character.                                                                                         (6) How many possible passwords are there? What is the...
A computer password is required to be 6 characters long. How many passwords are possible if...
A computer password is required to be 6 characters long. How many passwords are possible if the password requires 1 letter(s) followed by 5 digits (numbers 0-9), where no repetition of any letter or digit is allowed? There are possible passwords.
The company has agreed on an 8 character password format, comprised of upper case letters ,...
The company has agreed on an 8 character password format, comprised of upper case letters , lower case letters, and digits (0-9). Find the number of passwords possible where the first 2 characters have to be upper case letters, the next 5 can be lower case letters or digits , and the last character has to be an upper case letter. Here are the restrictions: a. Repetitions are allowed b. Repetitions are not allowed
Back in the day, Compuserve was the first major national internet service provider. Users were assigned...
Back in the day, Compuserve was the first major national internet service provider. Users were assigned ID's by the company.   They had to consist of either: Any eight octal digits The digit 7 followed by eight octal digits The digit 7 followed by nine octal digits, or The digit 1 followed by nine decimal digits The octal digits are 0,1,2,3,4,5,6,7.   The decimal digits are 0,1,2,3,4,5,6,7,8,9. With these rules, how many different Compuserve ID's were possible? Your answer may be given as an...
Back in the day, Compuserve was the first major national internet service provider. Users were assigned...
Back in the day, Compuserve was the first major national internet service provider. Users were assigned ID's by the company. They had to consist of either: -Any eight octal digits -The digit 7 followed by eight octal digits -The digit 7 followed by nine octal digits, or -The digit 1 followed by nine decimal digits The octal digits are 0,1,2,3,4,5,6,7. The decimal digits are 0,1,2,3,4,5,6,7,8,9. With these rules, how many different Compuserve ID's were possible? Your answer may be given...
Suppose that a certain computer password is allowed to be from 8 to 12 characters long,...
Suppose that a certain computer password is allowed to be from 8 to 12 characters long, and may contain only lowercase letters (a to z), uppercase letters (A to Z), and numbers (0 to 9). 1. How many such passwords are possible? 2. How many such passwords are possible if you cannot repeat characters? 3. How many such passwords are possible if you cannot repeat characters, and you must include at least one number?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT