Which of the following best describes the Internet of Things
a. A stand-alone computer that controls motors
b. A microprocessor with a network connection
c. The digitization of our everyday world
d. The conversion of analog data to digital data
c. The digitization of our everyday world
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Answer the following statements true (T) or false (F)
1. If you set a group box control’s Visible property to False, the attached controls will still remain visible. 2. When a check box control has the focus, the spacebar can be used to invoke its CheckedChanged event. 3. As with the button and check box controls, an access key can be set up by placing an ampersand in front of a letter in the radio button’s Text property setting. 4. Suppose a form contains two group box controls with one radio button placed on each. In this case, both radio buttons can be selected (or turned “on”) at the same time.
Which of the following statements is false?
a. A DirectoryStream enables a program to iterate through the contents of a directory. b. Character-based input and output can be performed with classes Scanner and Formatter. c. A relative path contains all the directories, starting with the root directory, that lead to a specific file or directory. d. Every file or directory on a disk drive has the same root directory in its path.
What will the following code display?
``` String input = "99#7"; int number; try { number = Integer.parseInt(input); } catch(NumberFormatException ex) { number = 0; } catch(RuntimeException ex) { number = 1; } catch(Exception ex) { number = -1; } System.out.println(number); ``` a. -1 b. 0 c. 1 d. 99
Seisms Inc., a locomotive engine manufacturing company,has forty-two branches across North America. The company’s manpower exceeds 1800 and it plans to expand the geographic distribution of its sales force and product lines to Asia. Maintaining the rules needed for effective and efficient territory assignment and sales-lead distribution is a significant challenge for the company. Which of the following would be the best solution for Seisms to undertake faster implementation of the changes to its sales division?
a. Using an enterprise resource planning system b. Using a business rule management system c. Using a supply chain management system d. Using a customer relationship management system