A contigous segment of an array is given by specifying two subscripts, lower and upper. Which of the following expressions gives the subscript of the array element that is three quarters of the way from lower to upper?
A) lower + 3 * upper /4
B) lower /3 + upper
C) (upper — lower) * 3 /4
D) lower + (upper — lower) * 3 / 4
D) lower + (upper — lower) * 3 / 4
You might also like to view...
Which of the following are accurate comparisons between call-by-value and const call-by-reference?
a. Both protect against changing the caller’s argument. b. Both are very fast for all sizes of objects. c. Call-by-value copies the argument whereas const call-by-reference does not d. Call by value uses more memory than const call-by-reference in making the copy.
A database administrator must ____________ monitor each SQL Server instance to minimize the risk of service disruption.
Fill in the blank(s) with the appropriate word(s).
“Just a little longer…I want to be sure this is working correctly before I change over,” says Buffy, the owner of three bathroom accessories boutiques called Tub ’n Stuff. Her accountant, who helped her set up a new accounting information system, is desperately trying to persuade Buffy to change over completely to the new system. Buffy has insisted on running the old and new systems in parallel for an entire year.
a. Briefly describe the general problems involved in using a parallel conversion strategy for implementing a new information system. b. In a paragraph, try to convince the owner of Tub ’n Stuff that a year of running a system in parallel is long enough. Suggest a way to end Tub ’n Stuff’s dual systems that will provide enough reassurance to Buffy. (Assume the new system is reliable.)
A(n) ____________________ is essentially a digital document that is issued by a trusted central authority.
Fill in the blank(s) with the appropriate word(s).