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Define Data objects, attributes & relationship.
Data object: Illustration of any composite information that must be understood by a software. It can be any external entity. Attributes: explain the properties of the Data object Relationship: Connecting two dissimilar data object.
Eg: Object Attributes Relationship
Person Name
Age
Address
Owns
Car Make
Model
Body type
What are the types of Software system requirements ? Functional requirements: Services the system should be required. Non-functional requirements: Constraints on the servi
What are the characteristics of the software? Software is engineered, not manufactured. Software does not wear out. Most software is custom built rather than being ass
What does Data abstraction contains? A Data abstraction is a named collection of data that describes a data object Eg: door Attributes: door type, Opening mechanism, Swing d
In how many types requirements have been classified Requirements are classified in the below two types: i) Functional requirements: They define the factors such as I/O fo
What are the challenges in software? Copying with legacy systems. Heterogeneity challenge Delivery times challenge
What is Desk Checking? Ans) A type of manual static analysis usually performed by the originator. Source code documentation, etc., is visually checked against needs and standard
Dear Sir/ Madam I have an 8 page essay to be written how much I pay per page? Thanks
how transaction mapping is done.??clear me with a brief example
BTEC HND course
Go to Blackboard, and print the project scenariolocated under the Project folder. Using Visio, draw a Physical DFD ofall three business processes described in theproject scenario.
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