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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.
Define about the erroneous data - Test data Abnormal/erroneous data - This is data outside the limits of validity/acceptability and must cause an error message to be g
Define the process of debugging Generally when developing the code, software developer also carries out some testing. This is called debugging. This unearths the defects that s
Data validity is the reasonableness and correctness of data.
What does data object means? Data object is a group of attributes that behave as an aspect, quality, characteristic or descriptor of the object.
what are draw backs or disadvantages of waterfall model
Define Black box testing Black box testing Black-box test design care for the system as a "black-box", so it doesn't explicitly use knowledge of the internal structure. It ta
Distinguish between verification and validation. Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation re
Q. Define Object and class associations? Object/class associations:- Objects/classes interact with each other. Multiplicity defines how many instances of one object/class can
State the level 3 of KPAs Level 3 KPAs: 1) Organisation Process Focus (OPF): Organisations responsibility is fixed for software process activities which improve the ul
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