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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Associative Memory:- The time needed to find an item stored in memory can be decreased considerably if stored data can be identified for access by the content of the data itsel
Task You have to design a digital system to produce a PWM signal that produces pulses at a frequency in the range 50 Hz -100 Hz . The pulses will be between 1 ms and 2 ms du
Formal testing, usually conducted by the developer for the consumer, to demonstrate that the software meet its described requirements.
Q. Realistic approach to the development of large-scale systems? There are a number of advantages of Spiral model that makes it a realistic approach to development of large-sca
Explain the prototyping approaches in software process. Two approaches i. Evolutionary prototyping - In this approach of system development, the initial prototype is pre
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
How can you create the new system System is to be computerised. Following will be created: (i) All DVD and CD data will be stored on a database (ii)
What does Data abstraction contains? A Data abstraction is a named collection of data that describes a data object Eg: door Attributes: door type, Opening mechanism, Swing d
What is Validation represent? Validation means a set of deeds that ensure that the software that has been built to satisfy the customer requirements.
Recovery/error testing is testing how well a system recovers from crashes, hardware failures, or other catastrophic problems.
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