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Define Data Flow Diagram.
A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output.
The basic structure of a data flow diagram, also known as a data flow graph or a bubble chart.
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
1. "Variable trace" is a (computer) record of the names and the values of variables accessed and/or changed during the implementation of a computer program. 2. "Value trace" is
Different type of testing tools. (a) Test Case Generators: (b) Capture/ Playback and Test harness tools: (c) Coverage Analysis Tools: (d) Test Comparators e) Memor
system design goals
Q. What do you understand by black box testing? Black Box Testing:-Black Box Testing is as well called behavioural testing focuses on the functional requirements of the softwar
what are the PEAS of E-mail agent
What are the various types of system testing? 1. Recovery testing - is planned to check the system's ability to recover from failures. 2. Security testing - determines t
Asynchronous control
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
Testing conducted to consider a system or component in its operational environment. Contrast with development, testing,; testing, acceptance;
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