Entering information into grouped worksheets is a very efficient way to simultaneously create page titles and column and row headings in multiple worksheets

What should a programmer do before implementing a recently designed class?

a. write code that uses the class b. check comments that document specifications c. adjust the design when problems are discovered d. all of these

Answer the following statements true (T) or false (F)

1. The principle requirement of random or pseudorandom number generation is that the generated number stream be unpredictable. 2. Random numbers play an important role in the use of encryption for various network security applications. 3. There are well-defined tests for determining uniform distribution and independence to validate that a sequence of numbers is random. 4. With true random sequences each number is statistically independent of other numbers in the sequence and therefore unpredictable. 5. The true random number generator may simply involve conversion of an analog source to a binary output.