inf1505_q_and_a

QUESTION 1 Study the following diagram depicting the components of a system. What do the letters 'B' and 'D' respectively represent? A. input; output B. processing; feedback C. input; feedback D. processing; output Answer: B Section: (none) Explanation/Reference: pg 4-5, Figure 1.1 'A' represents input. 'B' represents processing. 'C' represents output. 'D' represents feedback. QUESTION 2 The following is the graph depicting the system performance standard (represented by A) and the sales in the first 6 months of the year 2011 for a bookstore. What is the system performance standard for the book store? A. To sell 300 books per month. B. To sell more than 100 books per month. C. To sell less than 350 books per month D. To sell 335 books per month. Answer: D Section: (none) Explanation/Reference: pg 5, Figure 1.2 A system performance standard is a specific objective of the system. For example, a system performance standard for a marketing campaign might be to have each sales repres entative sell €100 000 of a certain type of product each year. A system performance standard for a manufacturing process might be to provide no more than 1 percent de fective parts. The system performance standard of the Bookstore is to sell 335 books per month. QUESTION 3 AG Manufacturers require information that can be utilized by the accountants to create financial statements, the manufacturing department to determine the inventory level and by the shipment department to determine the outflow of all products from the organization. Such information must be & ___________ A. flexible B. relevant C. inaccessible D. retrievable Answer: AB Section: (none) Explanation/Reference: This question was NOT marked as information has to be both flexible and relevant. Flexible information can be used for a variety of purposes. For example, information on how much inventory is on hand for a particular part can be used by a sales representative in closing a sale, by a production manager to determine whether more inventory is needed, and by a financial executive to determine the total value the company has invested in inventory. Relevant information is important to the decision maker. QUESTION 4 Some new cars and home appliances include computer hardware, software, databases and even telecommunications to control their operations and make them more useful. This is often called computing. A. embedded B. pervasive C. ubiquitous D. multidimensional Answer: ABC Section: (none) Explanation/Reference: pg 8 Some new cars and home appliances include computer hardware, software, databases and even telecommunications to control their operations and make them more useful. This is often called ‘embedded’, ‘pervasive’ or ‘ubiquitous’ computing. QUESTION 5 Study the following diagram. Which components of a Computer-Based Information System (CBIS) are denoted by the letters ‘A’ and ‘B’ respectively?