This set of Software Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Function Oriented Design using Structured Analysis Structured Design”.
1. SA/SD features are obtained from which of the methodologies?
a) Constantine and Yourdon methodology
b) DeMarco and Yourdon methodology
c) Gane and Sarson methodology
d) All of the mentioned
View Answer
Explanation: None.
2. Which of the following is not an activity of Structured Analysis (SA) ?
a) Functional decomposition
b) Transformation of a textual problem description into a graphic model
c) All the functions represented in the DFD are mapped to a module structure
d) All of the mentioned
View Answer
Explanation: The module structure is the software architecture.
3. To arrive at a form which is suitable for implementation in some programming language is the purpose of
a) Structured Analysis (SA)
b) Structured Design (SD)
c) Detailed Design (DD)
d) None of the mentioned
View Answer
Explanation: None.
4. The results of structured analysis can be easily understood by ordinary customers.
a) True
b) False
View Answer
Explanation: The results of structured analysis directly represents customer’s perception of the problem and uses customer’s terminology for naming different functions and data.
5. Structured Analysis is based on the principle of Bottom-Up Approach.
a) True
b) False
View Answer
Explanation: Structured Analysis follows uses decomposition approach.
6. The context diagram is also known as
a) Level-0 DFD
b) Level-1 DFD
c) Level-2 DFD
d) All of the mentioned
View Answer
Explanation: Context diagram captures the various entities external to the system interacting with it and data flow occurring between the system and the external entities.
7. A directed arc or line in DFD represents
a) Data Store
b) Data Process
c) Data Flow
d) All of the mentioned
View Answer
Explanation: It resembles data flow in the direction of the arrow.
8. A DFD is always accompanied by a data dictionary.
a) True
b) False
View Answer
Explanation: A data dictionary lists all data items appearing in a DFD including definition and data names.
9. Which of the following is a function of CASE Tool?
a) Supporting Structured analysis and design (SA/SD)
b) Maintaining the data dictionary
c) Checking whether DFDs are balanced or not
d) All of the mentioned
View Answer
Explanation: None.
10. Data Store Symbol in DFD represents a
a) Physical file
b) Data Structure
c) Logical file
d) All of the mentioned
View Answer
Explanation: A logical file can be a data structure or a physical file on disk.
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