Each volume in a system has a volume descriptor followed by a ____ that lists the names and characteristics of every file contained in that volume.
A. file location
B. volume directory
C. subdirectory
D. master file directory
Answer: D
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Here is a recursive function that is supposed to return the factorial. Identify the line(s) with the logical error(s). Hint: This compiles and runs, and it computes something. What is it?
``` int fact( int n ) //a { int f = 1; //b if ( 0 == n || 1 == n ) //c return f; //d else { f = fact(n - 1); //f f = (n-1) * f; //g return f; //h } } ```
“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.)
Match the following terms to their definition
I. INNER JOIN II. OUTER JOIN III. FULL JOIN IV. Union query V. SQL subquery A. Returns only the rows that actually match B. Returns all rows from both tables C. Usually added in the WHERE clause D. Returns all rows from at least one of the tables E. Combines two SQL SELECT statements
By using the ________, you can divide the table created from an imported Excel spreadsheet into several tables as well as automatically create the relationships needed between them
A) Import Wizard B) Expression Builder C) Lookup Field Wizard D) Table Analyzer Wizard