MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -There are two types of data flow testing: Static data flow testing: The declaration, usage, and deletion of the variables are examined without executing the code. A control flow graph is helpful in this. Dynamic data flow testing: The variables and data flow are examined with the execution of the code.

Detailed explanation-2: -Data flow testing is a family of test strategies based on selecting paths through the program’s control flow in order to explore sequences of events related to the status of variables or data objects. Dataflow Testing focuses on the points at which variables receive values and the points at which these values are used.

Detailed explanation-3: -Data Flow Testing uses the control flow graph to find the situations that can interrupt the flow of the program. Reference or define anomalies in the flow of the data are detected at the time of associations between values and variables.

Detailed explanation-4: -A data flow diagram (DFD) is a graphical or visual representation using a standardized set of symbols and notations to describe a business’s operations through data movement. They are often elements of a formal methodology such as Structured Systems Analysis and Design Method (SSADM).

Detailed explanation-5: -Data flow diagram (DFD)-the DFD is a set of top-down diagrams that depict all processes within a system, the data flow among the processes, and the data stores. The DFDs begin at a general level and become progressively more detailed.