Question

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.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A computer password must be eight characters long. How many passwords are possible if only the...
A computer password must be eight characters long. How many passwords are possible if only the 26 letters of the alphabet are allowed? Assuming that repetitions of alphabets is possible to create the password then the number of passwords possible Assuming that repetitions of alphabets is not possible to create the password then the number of passwords possible A jar contains 4 red marbles numbered 1 to 4 and 10 blue marbles numbered 1 to 10. A marble is drawn...
Each user on a computer system has a password, which is seven to nine characters long,...
Each user on a computer system has a password, which is seven to nine characters long, where each character is an uppercase letter or a digit. Each password must contain at least one digit or at least one Uppercase letter. How many possible passwords are there?
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?
A computer password can be 5 - 6 characters. The password must contain at least 1...
A computer password can be 5 - 6 characters. The password must contain at least 1 digit. All other characters must either be digits or lower case letters. How many unique passwords exists?
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 system uses passwords that are exactly eight characters and each character is one of...
A computer system uses passwords that are exactly eight characters and each character is one of the 26 letters (a-z) or integers (0-9). Uppercases are not allowed). How many passwords are possible? If one selected a random password, what is the probability it consists of five letters followed by 3 numbers? What is the probability that a randomly selected password consists exactly of 7 letters and 1 number?
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?
Determine how many different computer passwords are possible if (a) the digits and letters can be...
Determine how many different computer passwords are possible if (a) the digits and letters can be repeated, and (b) if the digits and letters cannot be repeated. i. 4 digits followed by 2 letters ii. 5 digits followed by 1 letter. iii. 3 digits followed by 3 letters
2) Allowing (or requiring) users to use numerical digits (including 0) and one of 28 “special...
2) Allowing (or requiring) users to use numerical digits (including 0) and one of 28 “special characters” dramatically increases the number of possible passwords. Furthermore, passwords often are case-sensitive, effectively doubling the size of the alphabet by defining 52 distinct letter characters.    Assuming that passwords are case-sensitive and can include numerical digits and special characters, how many possible 6, 8 and 10 character passwords can be created? (8 points) 3) Allowing digits and special characters creates an enormous number...
How many passwords of 5 characters can be made if each password must start with two...
How many passwords of 5 characters can be made if each password must start with two digits and end with three letters. The digits will be with replacement and the letters will be without replacement.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT