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Explain in detail the design concepts
Abstraction
•Control abstraction
Information hiding
•Every module in the system hides the internal details of its processing activities and modules communicate only by over explained interfaces
Explain the term in brief- Test Script and Test Specification: Test Script: - It is generally used to refer to instructions for a particular test which will be carried out
Symbols of a data flow diagram 1. Data Flow Signifies the connectivity between various processes 2. Process Performs some processing of input data 3. Ex
Recovery/error testing is testing how well a system recovers from crashes, hardware failures, or other catastrophic problems.
What is a user friendly document? Ans) A document is user friendly, when it is designed and written with simple of use, as single of the primary objectives of its design.
What are the benefits of prototyping? i. Prototype serves as a basis for deriving system specification. ii. Design quality can be improved. iii. System can be maintained
What is meant by software change? Once software is ready to use, new requirement appear and existing requirements change as the business running that software changes parts of
System Development Life Cycle (SDLC) stages are sometimes known as System Study. System concepts which are important in developing business information systems expedite problem sol
What is meant by Information flow Continuity? When we refine a fundamental model for a system, the information flow continuity should be maintained .ie, input & output to each
What is Operational Requirements? Ans) Qualitative and quantitative parameters that states the desired operational capabilities of a system and serve as a basis for determining
Explain various Software risks. Typical Software Risks:- 1. Dependencies: -Many risks arise because of dependencies of project on outside agencies or factors. It is not
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