a 4 6 17)A indicates when an object sends or receives a message and is identified by a narrow vertical shape that covers the lifeline A) focus B) subclass C) instance D) activity 18) The following VERIFY ORDER decision table has VERIFY ORDER Process with Credit Waiver (Initial version) 7 Credit status is OK Y Y Y Y N N N N Product is in stock Y Y N NY Y NN Walver from credit manager YN Y N Y N Y N Accept order Roject order A) 2 conditions and 3 actions B) 3 conditions and 8 actions C) 8 conditions and 3 actions D) 3 conditions and 2 actions 19) A table shows a logical structure, with all possible combinations of conditions and resulting actions. A) logic B) validity C) pseudo D) decision 20) For a System Requirements Checklist, the following types of requirements are identified in the checklist: A) Output, input, process, performance, and control B) Usability, feasibility, utility, and functionality C) Growth, costs, and benefits D) Only control and security requirements E) The requirements for an online system for buying and printing movie tickets 21)A__ Is a UML technique that visually represents the interaction between users and an information system. A) data schematic B) TCO C) use case diagram D) user-based flowchart 2 2 2 22) In a DFD, the Gane and Sarson symbol for an entity is a A) flat rectangle that is open on the right side and closed on the left side B) line with a single or double arrowhead C) rectangle, which may be shaded to make it look three-dimensional D) rectangle with rounded corners 23) 2 is a typical example of a system requirement for the performance category. A) The student records system must produce class lists within five hours after the end of registration B) Each input form must include date, time, product code, customer number, and quantity C) The purchasing system must provide suppliers with up-to-date specifications D) The manager of the sales department must approve orders that exceed a customer's credit limit