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

Define behavioural modelling, Define Behavioural Modelling. The state t...

Define Behavioural Modelling. The state transition diagram shows the characteristics of a system by depicting its states and the events that cause the system to change state

What is parkinsons law, What is Parkinson's Law? Parkinson's Law states...

What is Parkinson's Law? Parkinson's Law states that work expands to fill the time available. The cost is fixed by available resources rather than by objective assessment.

State the categories of software maintenance, Categories of software mainte...

Categories of software maintenance There are three categories of maintenance:  i) Corrective Maintenance ii) Adaptive Maintenance iii) Perfective Maintenance

Describe incremental model, Q. Describe incremental model? Define core prod...

Q. Describe incremental model? Define core product and detailed plan. Ans. The incremental model is proposed by D.L PARNAS. It is basically implemented by combining elements

Explain applicability, Applicability: It is another significant characteri...

Applicability: It is another significant characteristic of a model. The model should be judged by its degree of applicability across software products that change in size, structu

What is ripple effect, What is ripple effect?       The ripple effect i...

What is ripple effect?       The ripple effect is a term used to describe a situation where, like the ever expanding ripples across water when an object is dropped into it, an

Illustrate the symbols of a data flow diagram, Symbols of a data flow diagr...

Symbols of a data flow diagram  1. Data Flow Signifies the connectivity between various processes 2. Process   Performs some processing of input data 3. Ex

One want record a data driven test then how will one do that, You want to r...

You want to record a data driven test. How will you do that? There are 3 ways to create a data-driven test: a.) By using data from a data table b.) By using data from a f

What is fault-based testing, 1. Testing that employs a test data selection ...

1. Testing that employs a test data selection method designed to obtain test data capable of demonstrating the absence of a set of pre-specified faults, typically, frequently happe

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