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What are the various elements of data design?
i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are translated into data structures and data bases at the request level.
iii. Data warehouses - At the business level useful information is identified from several databases and the data warehouses are formed.
Attributes Attribute is a characteristic or property of an entity which is of interest to the organisation. It's represented by oval shaped box with name of attribute writt
Question: (a) With the aid of a labeled diagram, briefly describe the phases of the "Unified software development life cycle" and state the output of each phase. (b) Describ
State the primary objectives of analysis Model. To explain what the customer needs To set up a basis for the creation of a software design To explain a set of requirem
What are the common approaches in debugging? Brute force method: The memory dumps and run-time tracks are examined and program with write statements is loaded to obtain clues t
A strategy for software testing integrates software test case design methods into a well - planned series of steps that result in the successful construction of software. Common
Define Fan-in & Fan-out. Fan-out - A measure of the number of modules that are directly controlled by another module. Fan-in- Shows how many modules directly control a give
Explain the Instruction pipelines Instruction pipelines: - An instructin pipeline reads consecutive instructions from memory whereas previous instructions are being implemented
Write definition of state transition diagram? State transition diagram is mainly a collection of states and events. Due to the events the system has to change its state. It als
What is reverse engineering? It is a process of examining software with a view to understanding its design and specification. - In reverse engineering, source code and i
MICROCOMPUTER SOFTWARE PACKAGES: There are a number of possibilities for using microcomputers in libraries and centres. What the microcomputer can accomplish is limited by tw
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