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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
What is A user manual? Ans) A "user manual" is a document that presents information essential to employ software or a system to get the desired results. Typically, what is expla
What is the black box?
#questionHomes R Us is a group of large department stores who wish to improve the customer service they decide they need a database to capture and store information relating to cus
Q. Explain Steps in Building the Structure Chart? Steps in Building the Structure Chart 1. Identify top level modules as well as decompose them into lower levels 2. Add
What are the three activities of risk assessment? The three activities are identifying, examining and giving priorities . Risks can be identified by a check list or looking at
Problem 1. Explain why it is necessary to design the system architecture before the specifications are written 2. Explain why it is important to describe software designs 3.
a) An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein method
Explain Cardinality & Modality ?
a simple text processing program with all essential functions (open and save text documents, insert and delete text, search for words). We assume that text read from a file is stor
explain the effect of reverse engineering of software development #
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