Classify each of the following as an example of a mandatory, discretionary, or originator controlled policy, or a combination thereof. justify your answers.
a. the file access control mechanisms of the unix operating system.
b. a system in which no memorandum can be distributed without the author's consent.
c. a military facility in which only generals can enter a particular room.

Awell-diversified portfolio needs about 20-25 stocks from different categories.

Suppose s, t, and w are strings that have already been created inside main. write a statement or statements, to be added to main, that will determine if the lengths of the three strings are in order by length, smallest to largest. that is, your code should determine if s is strictly shorter than t, and if t is strictly shorter than w. if these conditions hold your code should print (the boolean value) true. if not, your code should print false. (strictly means: no ties) example: if s, t, and w are "cat", "hats", and "skies" your code should print true - their lengths are 3-4-5; but if s, t, and w are "cats" "shirt", and "trust", then print false - their lengths are 4-5-5 enter your code in the box below

Many everyday occurrences can be represented as a binary bit. for example, a door is open or closed, the stove is on or off, and the fog is asleep or awake. could relationships be represented as a binary value? give example.