Question: Computer Alpha's password must be exactly 10 characters long; a character can be a letter (not case sensitive), number (0 through 9), or one of

 Computer Alpha's password must be exactly 10 characters long; a character
can be a letter (not case sensitive), number (0 through 9), or

Computer Alpha's password must be exactly 10 characters long; a character can be a letter (not case sensitive), number (0 through 9), or one of 13 special characters. a) How many possible passwords can there be? b) Ifthere must be at least one special character and at least two numbers, how many possible passwords can there be? C) Howmanydifferentpasswordscanbemadebyrearr angingthecharacters\"AA!!!56555\"? d) Computer Omega's password requirement must be exactly four 4-letter \"words\" (any four letters make a \"word\"; there are no spaces between the words) typed in a row. How many possible passwords can there be? e) Which computer is easier to hack (i.e., guess a correct password at random)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!