1 Question: Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail. A True B False 2 Question: The way a user can move from one display to another best describes A Dialogue sequence B Transition plan C Menu-driven interface D Screen sequence E Computer interface 3 Question: Which of the following focuses on how information is provided to and captured from users? A Structure chart B Flow chart C Entity-relationship diagram D PERT diagram E Interface and dialogue design 4 Question: The number of entity types that participate in a relationship refers to A Cardinality B Association C Count D Degree E Normalization 5 Question: The primary deliverable from the conceptual data-modeling step within the analysis phase is A A state-transition diagram B An entity-relationship diagram C A context data flow diagram D A decision table E Structured English 6 Question: Desired features are those that users could live without but that are used to select between design strategies that are of almost equal value in terms of essential features. A True B False 7 Question: One of the primary purposes of a DFD is to represent time, giving a good indication of whether data flows occur constantly in real time, once a day, or once a year. A True B False 8 Question: The calculation of an employee’s salary would be represented on a data-flow diagram as a(n) A Data flow B Source C Data store D Process E Action stub 9 Question: During systems design, a conceptual data model with attributes is prepared. A True B False 10 Question: An entity instance is a single occurrence of an entity type. A True B False 11 Question: When designing textual output, you should use single spacing wherever possible. A True B False 12 Question: During systems implementation and operation A A conceptual data model (E-R with attributes) is prepared B A logical model (relational) is prepared C Physical files and database designs are prepared D An enterprise-wide data model is prepared E Database and file definitions are prepared 13 Question: The top-down approach to data modeling derives a data model from an intimate understanding of the nature of the business. A True B False 14 Question: Which of the following is a guideline for displaying text? A Use double spacin
g if space permits B Do not hyphenate words between lines C Left-justify text and leave a ragged right margin D Display text in mixed upper- and lowercase and use conventional punctuation E All of the above are guidelines for displaying text 15 Question: Data contained on a customer order form would be represented on a data-flow diagram as a A Process B Data flow C Source D Sink E Relationship 16 Question: Completeness, consistency, timing, iterative development, and primitive DFDs are guidelines for drawing DFDs. A True B False 17 Question: Which of the following is a true statement regarding a data store? A Data can move directly from one data store to another data store B Data stores illustrate relationships among entities C A data store has a noun phrase label D Data can move from an outside source to a data store E A data store shows data in motion 18 Question: Designing usable forms and reports requires your active interaction with users. A True B False 19 Question: The most common format used for data modeling is A State-transition diagramming B Entity-relationship diagramming C Process modeling D Logic modeling E A flowchart 20 Question: A data-flow diagram that represents a system’s major processes, data flows, and data stores at a high level of detail refers to a A Context diagram B Level-1 diagram C Level-0 diagram D Level-00 diagram E Logic diagram 21 Question: Each of the following is a guideline for displaying text except A Use abbreviations and acronyms instead of full text B Do not hyphenate words between lines C Left-justify text and leave a ragged right margin D Display text in mixed upper- and lowercase and use conventional punctuation E Use double spacing if space permits 22 Question: Designing usable forms and reports requires A Prototyping B Data modeling C Active interaction with end users D Process modeling E Using structured analysis 23 Question: While essential features help screen out possible solutions, desirable features help compare alternative design strategies. A True B False 24 Question: The names of data stores on primitive-level data flow diagrams often correspond to the names of data entities in entity-relationship (E-R) diagrams. A True B False 25 Question: A data flow represents data in motion, moving from one place in the system to another. A True B False