Which letter is likely to be worth more: one penned by
Lincoln or one written by...
Which letter is likely to be worth more: one penned by
Lincoln or one written by his assassin, John Wilkes Booth? Lincoln
is one of the greatest presidents, and many people collect anything
he wrote. The demand for letters written by Lincoln surely would
seem to be much greater than the demand for letters written by
Booth. Yet, when R.M. Smythe and Co. auctioned off on the same day
a letter written by Lincoln and a letter written by Booth,...
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
{!,@,#,$,%}. In addition, a password must • contain at least one
upper case letter, • contain at least one special character. How
many passwords of length 8 are possible?
DISCRETE MATH.
If passwords contain letters(lower and upper case), numbers
(0-9) and can use these special...
DISCRETE MATH.
If passwords contain letters(lower and upper case), numbers
(0-9) and can use these special characters(!,@,#,$,%)
how many 8 character long passwords are possible?
One character has to be an uppercase and another one has to be a
special character.