Which are appropriate uses for special effects in presentations?

to add excitement to dull presentations

to focus and increase audience attention

to improve their effectiveness

to provide visual cues

to show off the presenter's abilities

Joe, an end-user, reports that the Windows PC he is using automatically locks when he leaves his desk and walks to a printer to retrieve documents. Joe is then required to type in his username and password to unlock the computer.

Jim maintains attendance records for his employees for the year row B includes the dates of attendance and columns A includes the names of the employees he wants to lock row B so that he can scroll the entire worksheet but keep roe B visible which

Write a function that accepts an integer parameter and returns its integer square root (if it exists). The function should throw an exception if it is passed an integer that is not a perfect square.

Bob has been assigned to set up a digital certificate solution for use with e-mail. One of the requirements he has been given is to ensure that the solution provides for third-party authentication. Which of the following should he choose PGP X.

Which device lets you hear audio on your computer?

I am a receptionist for a large corporation what career cluster is this in?

Which statement best describes a scientific theory? A. It is supported by many different experiments. B. It is considered false until proven true. C. It is true and can never be changed. D. It is an educated guess that requires no testing.

Write a class definition of a class named 'Value' with the following: a constructor accepting a single integer parameter a constructor with no parameters a method 'setVal' that accepts a single parameter, a boolean method, 'wasModified' that returns

Suppose we are comparing implementations of insertion sort and merge sort on the same machine. for inputs of size n, insertion sort runs in 8ð2 steps, while merge sort runs in 64ð log2 ð steps.

Which of the following is true of the difference between operating systems and application software? A.