Classes of data items in a data dictionary, Software Engineering

Assignment Help:

Q. Classes of data items in a data dictionary?

There are three classes of data items in a data dictionary

1) Data element- It is the smallest unit of data that cannot be meaningfully decomposed further. Example- Employee number and so on.

2) Data structure is a group of data elements forms a data structure.

3) Data Flows as well as Data Stores- data flows are data structures in motion whereas data stores are data structures at rest.


Related Discussions:- Classes of data items in a data dictionary

What is architectural transformation, What is architectural transformation?...

What is architectural transformation? This is a more radical approach to software change then maintenance as it involves making significant changes to the architecture of the s

Explain various software risks, Explain various Software risks.  Typic...

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

Define a class diagram with example, Q. Define a Class diagram with example...

Q. Define a Class diagram with example? Class diagram: A class diagram in the UML (Unified Modelling Language) is a type of static structure diagram that describes the struct

Discuss in details the design steps in transaction mapping, Discuss in deta...

Discuss in details the design steps in transaction mapping. Re-Check the fundamental model. Re-check and refine the DFD for the software. Determine the DFD has either

Explain the modularity concept mean, What does Modularity concept mean? ...

What does Modularity concept mean? Software architecture embodies modularity; i.e. Software is named in to addressable components called modules, which are integrated finally.

Define evolutionary prototyping, Q. Define Evolutionary prototyping? Ev...

Q. Define Evolutionary prototyping? Evolutionary Prototyping is also known as breadboard prototyping is quite different from Throwaway Prototyping. The major goal when using Ev

What is boundary value, Explain Boundary value? (1)A data value that cor...

Explain Boundary value? (1)A data value that corresponds to a input, internal, or output value specified for a system or component. (2) A value which lies at, or just inside

Construct an e-r diagram, Construct an E-R Diagram for the application desc...

Construct an E-R Diagram for the application described on the next page. Include any additional assumptions you made about the application requirements. The assumptions may not dir

Jk flip-flop, It should include all the theory that you need to complete th...

It should include all the theory that you need to complete the requested design, and all the simulation documents that you produce after synthesizing the circuit. Briefly, your rep

What is software maintenance, What is software maintenance? Changes to...

What is software maintenance? Changes to the software are made in response to altered requirements but the fundamental structure of the software remains stable.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd