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Database Definition:
There are four basic steps involved in defining a database. They are:
i) Creating a Field Definition Table (FDT) : The possible content of data records should be determined in a Field Definition Table (FDT). This table is set up by using The Line Editor of micro CDS/ISIS. Tag number, name, maximum length, repeatability end possible sub-field identifiers are to be specified for each field.
ii) Creating a Data Entry Worksheet: The default data entry worksheet is to be compiled, Worksheet editor facilitates this job. Separate worksheets can be compiled to suit different requirements using the facilities of worksheet editor.
iii) Defining the Display/Print Formats : A default display/print format has to be specified. The output sequence and layout of the fields are to be described with the help of Print Formatting Language. This language is used throughout the system to specify field manipulations. Separate display formats can be specified as per the requirement.
What is COCOMO model? COnstructive COst MOdel is a cost model, which provides the estimate of number of man-months it will take to make the software product.
Phone Company (WLPC) is a provider of wireless phone service in the US with 100,000 customers serving mostly small markets. WLPC has just purchased additional airwaves in the US, C
The process of testing an integrated hardware and software system to determine that the system meets its described requirements. Such testing might be conducted in both the develop
Hardware and Software Requirements: The present versions of CDS/ISIS require the following minimum hardware and software: i) MS-DOS Version: an IBM PC or Compatible micro
What are the challenges in software? Copying with legacy systems. Heterogeneity challenge Delivery times challenge
What is Top-Down Strategy? Ans) Top down integration is basically an approach where modules are produced and tested starting at the top level of the programming hierarchy and re
Communicational cohesion : Communicational cohesion is when parts of a module are grouped because they operate on the similar data (e.g. a module which operates on the similar reco
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What are the Problems in comes in SRS There are numerous features which make requirements analysis difficult. These are explained below: 1. Complete requirements are diffic
What is meant by Data dictionary? The Data dictionary is a prepared listing of all data elements that are pertinent to the system, with precise, rigorous explanations so that b
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