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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.
Question: (a) What do you understand by the term "integrity"? (b) Which type of attack denies authorized users access to network resources? (c) You have discovered tha
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 coupling. Coupling is the measure of the degree of interdependence among modules.
risks and types of software risks
Coupling and Cohesion Data coupling - The data coupling is possible by parameter passing or data interaction. Control coupling - The modules share related control data
Q. What is Boundary Value Analysis? Boundary Value Analysis: It is extensively recognized that input values at the extreme ends of input domain cause more errors in system. M
What are the profits of vertical partitioning? i. These are very easy to maintain changes. ii. They decreased the change impact and error propagation.
What is a modular system? A modular system having of well defined manageable units to well defined interfaces between them.
What is Upward compression? Ans) In software design, "upward compression" means a type of demodularization in which a subordinate module is copied into the body of a better modu
What is Path Analysis? Ans) Program analysis performed to identify all possible paths through a program, to detect incomplete paths, or to discover portions of the program that
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