Multiple choice questions. Consider the following narrative in responding to the
ID: 2412655 • Letter: M
Question
Multiple choice questions. Consider the following narrative in responding to the tions that follow: 10. ques. The Rancho Cucamonga Humane Society (RCHS) is open from 7 am. to 7 seven days a week. It maintains a computerized inventory of animals available for adoption, which includes animal type (dog, cat, bird), breed (basset hound, parakeet), gender, approximate age, date placed at the shelter, notes, and date adopted. People interested in adopting animals can visit the Society at anyt they complete an application, which is reviewed by the Society staff. A staff mem- ber discusses the potential adopters' wants and needs for a pet, then takes them to see appropriate animals. The potential adopter can see and interact with up to five animals in a single visit. If the customer chooses an animal, the staff member fills out appropriate paperwork before the customer takes the pet home. A staff member makes a follow-up call two weeks later to ensure that everything is satisfactory with both the pet and the adopter p.m. ime; You have been asked to prepare a leveled set of DFDs and database specifications for RCHS 1. Which of the following is most likely to be an external entity? a. People interested in adopting animals b. Humane Society staff c. Animals d. Rancho Cucamonga Humane Society Which of the following is most likely to be Process 1.0? a. Open from 7 a.m. to 7 p.m. b. Maintain computerized inventory of animals. c. Complete application. d. Review application. The Level Zero DFD is likely to have how many processes? a. Two b. Three c. Four d. Five 2. 3. 4. How many data stores would be depicted in the Level Zero DFD? a. One b. Two · Three d. Four 5. Which of the following is most likely to be the primary key for the "animal" table? a. Type b. Breed c. Name d. Intake numberExplanation / Answer
1) people interested in adopting animals are external entity
Therefore answer is option (a)
External entities are also known as terminators, sources/sinks, and actors. External entities define the sources and destinations of information entering and leaving the system. An external entity can be a person, system, or organization that has pre-defined behaviour.
2)process 1.0 is review application
Therefore answer is option (d)
process identifier 1.0, indicating that it's the first process one the top level diagram. A common technique with DFDs is to create detailed diagrams for each process to depict more granular levels of processing.
3)zero level DFD has five processes
Therefore answer is option (d)
DFD Level 0 is also called a Context Diagram. It’s a basic overview of the whole system or process being analyzed or modeled. It’s designed to be an at-a-glance view, showing the system as a single high-level process, with its relationship to external entities. It should be easily understood by a wide audience, including stakeholders, business analysts, data analysts and developers.
4)two data store would be depicted in the level zero DFD
Therefore answer is option (b)
Data store: files or repositories that hold information for later use, such as a database table or a membership form. Each data store receives a simple label, such as “Orders.”
5) primary key for animal table is intake number
Therefore answer is option (d)
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