?In an interview, _____ encourage spontaneous and unstructured responses.
A. ?open-ended questions
B. ?closed-ended questions
C. ?leading questions
D. ?range-of-response questions
Answer: A
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An assignment of the value of a conditional expression to a variable (x =y?z:w;) can always be replaced by
a. a switch statement with assignment statements for its case statements. b. one or more ifs with else clauses and assignment statements for its true and false clauses. c. one or more nested while loops with assignments for the bodies of the loops. d. one or more ifs without any else clauses and assignment statements for its yes_statement(s). e. none of these is correct.
Case Based Critical Thinking Questions
Case 5-1 Carlos has developed a database for his organic farm.The farm sells organic produce and meat. In addition to the retail sales of his products, he offers cooking demonstrations five times each month for a small fee. The demonstrations are limited to 10 people. The database contains the following tables: Products, ProductPrices, ProductCosts, Suppliers, Customers, and CookingDemos. The Products, Product Prices, Product Costs and Suppliers tables are related using the ProductID field. The Customers and CookingDemos tables are related on the CustomerID field. Carlos needs to make some decisions using his database. Determine the best method for Carlos to use to achieve the results he wants. ? ? Carlos would like to create a query based on the Customer table that allows him to type in the name of the cooking demonstration for which the query will run. Which type of query should Carlos create so that he can type in the name of the cooking demonstration before the query runs? A. parameter query B. top values query C. crosstab query D. pattern match query
The ____________________ handles the overall activity of the computer and provides services such as memory management, input/output activities, and storage management.
Fill in the blank(s) with the appropriate word(s).
The ____ command is used to change the effective group of the executing user.
A. groupadd B. groupmod C. gpasswd D. newgrp