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

Diffrence between structured analysis and structured design, Q. Differentia...

Q. Differentiate between structured analysis and structured design? Ans. The aim of structured examination is to transform the textual description of a problem into a graphic

JAVA PROGRAMMING, Write a test program that read an integer n and call a me...

Write a test program that read an integer n and call a method to display a pattern as follows: 1 2 1 3 2 1 4 3 2 1 ... n n-1 ... 3 2 1 The method header is

What is meant by throw away prototyping, What is meant by Throw away Protot...

What is meant by Throw away Prototyping? Giving the user a system which is incomplete and then changing and augmenting it as the user requires become clear. The objective

Explain about the spiral model, Explain about the Spiral Model This mod...

Explain about the Spiral Model This model can be considered as the model that combines the strengths of various other models. Conventional software development processes don't

What is error guessing, Explain Error guessing? Ans) Test data selection...

Explain Error guessing? Ans) Test data selection method. The selection criterion is to pick values that seem likely to reason errors.

Explain walk-through, Explain Walk-through? Ans) A walk-through (in soft...

Explain Walk-through? Ans) A walk-through (in software QA) is a casual meeting for evaluation or informational purposes. A walk-through is also a method at an abstract level. It

Identify all activity dependencies in the project, Question: The activi...

Question: The activities in a project are given the PERT chart below: a) Identify all activity dependencies in the project. b) Clearly distinguish between critical

What is cocomo model, What is COCOMO model? COnstructive COst MOdel is ...

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.

What is equivalence partitioning, What is Equivalence Partitioning? Eq...

What is Equivalence Partitioning? Equivalence Partitioning (EP) is the process of methodically decreasing the huge set of possible test cases into a much smaller but still equ

What is software metric, What is software metric? A Software metric is...

What is software metric? A Software metric is a easy quantitative measure derivable from any attribute of the software life cycle (E.g.) LOC (Line Of Code) Function poin

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