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

Explain the stages of rapid application development model, Question: a)...

Question: a) It has often been argued that Rapid Application Development results in small stand-alone systems running in isolation. Discuss. b) Rapid Application developmen

System analyst, Explain the role and functions of a Systems Analyst in the ...

Explain the role and functions of a Systems Analyst in the overall project development.

Write definition of erd, Write definition of ERD? Entity Relationship D...

Write definition of ERD? Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.

Define encapsulation, Encapsulation An object expresses the data and i...

Encapsulation An object expresses the data and information it contains and supports a well described abstraction. Encapsulation leads to the separation of the interface and ex

State the level 5 of key process areas, Level 5 KPAs 1)Defect Prevent...

Level 5 KPAs 1)Defect Prevention (DP): It discovers causes of defects and devises techniques which prevent them from recurring. 2)Technology Change Management (TCM): It

Explain the iterative model, Explain the Iterative Model Every release ...

Explain the Iterative Model Every release of Iterative Model is developed in a specific, fixed time period known as iteration. Each iteration focuses on a certain set of requir

Explain the seven model primitives in 3d lingo, (a) Copying a graphic imag...

(a) Copying a graphic image from the Web can be as easy as pointing to it and clicking the right mouse button or performing a screen capture. The question is, under what circumsta

Explain the basic cocomo model, Question: (a) (i) Define the following...

Question: (a) (i) Define the following terms briefly: COCOMO, DSI, FSP, MM, ACT, TDEV, (MM)AM. (ii) State the assumptions underlying the Basic COCOMO model. (b) Suppos

What is integration testing and system testing, What is the difference in w...

What is the difference in writing the test cases for Integration testing and system testing? Integration testing is done at module level when lots of modules are integrated wit

Write definition of state transition diagram, Write definition of state tra...

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

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