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Explain virtual memory?
Ans) Virtual memory tells to virtual storage. In virtual storage, portions of a user's program and data are placed in auxiliary storage, and the operating system automatically changes them in and out of main storage as required.
Q. A program is to be developed to simulate the operations of a scientific calculator. List the facilities to be provided by this calculator. Analyze this using DFD? Level 0
Illustrate about the Behavioural model Behavioural model defines: Data of proposed system. (i) The internal functioning of proposed system, (ii) Inter-relationship
State Lehman's First law. A program that is used in true world environment essentially must change or become progressively less useful in that environment.
What are the advantages of using these specific languages of SRS? The major benefit of using a natural language is that both client and superior understand the language. T
Q. Explain different type of testing tools? (a) Test Case Generators: These tools produce test cases from SRS program or test design languages. They utilize certain rules cal
What does data modelling means? Data modelling is the first step in the analysis modelling. In data modelling the data objects are checked independently of processing. The data
System software
Hardware and Software Requirements: The present versions of CDS/ISIS require the following minimum hardware and software: i) MS-DOS Version: an IBM PC or Compatible micro
What is stepwise refinement? Stepwise Refinement:- Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively
What is a user interface Ans) "User interface" is the interface among a human user and a computer system. It access the passage of information among a human user and hardware or
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