A substitution cipher ________.
a) changes the order of the letters in the message
b) changes a message such that every occurrence of a particular letter is replaced by a different letter
c) uses a secret key to encrypt the bits of a message.
d) none of the above
b) changes a message such that every occurrence of a particular letter is replaced by a different letter
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COGNITIVE ASSESSMENT Which of the following gestures would you use if you want to display a bar that contains commands on an edge of the screen of your new tablet?
A. swipe B. stretch C. pinch D. press and hold
With the Intersect pathfinder, the resulting object retains the color properties of the backmost object.
Answer the following statement true (T) or false (F)
Which statements is false:
a. shared_ptrs provide the pointer operators dot(.), star(*) and arrow(->). b. We get the reference count using the shared_ptr member function use_count, which returns the number of shared_ptrs to the resource. c. Changes made to the resource of a shared_ptr are “seen” by all shared_ptrs to that resource. d. shared_ptr member function reset releases the current resource and sets the shared_ptr to NULL. If there are no other shared_ptrs to the resource, it’s destroyed.
A(n) ________ field is a column added to a query that derives its value from other fields
Fill in the blank(s) with correct word