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Define the Behavioural Model
It defines operational behaviour of the system. In this model, numerous operations of the system are represented in pictorial form. Tools used to make this model are: Data Flow Diagrams (DFD), Data Dictionary, E-R diagrams and Process Specification
"Utility" is a software tool designed to perform some regularly used support function. For example, single utility is a program to print files.
QUESTION - Fault Tolerance (a) Three computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a
What is security testing? Security testing attempts to determine that protection mechanism built into a system will protect it from improper penetration.
1. Take a look at the code and try to understand the logic, particularly, the way scrambled words are disambiguated, i.e.., whether they are matched successfully against a correct
"Upwardly compatible software" is software that is compatible with a later or more difficult version of itself. For example, an upwardly compatible software is able to occur files
When you write to a file, you do what?
What are the two levels of testing? i. Component testing Individual components are tested. Tests are derived from developer' s experience. ii. System Testing The group
Different characteristics of software measures Different characteristics of software measures identified by Basili (1989) are given below: • Objects of measurement: They i
Re-Engineering cost factors:- 1) The amount of the software to be re-engineered. 2) The tool support available for re-engineering. 3) The extent of the data conversion
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
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