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A store is in the business of selling paints as well as hardware items. A numeral of reputed companies supplies items to the store. New suppliers are able to also register with the store after providing necessary details. The customer is able to place the order with the shop telephonically. Or personally In case items aren't available customers are informed. The detail of each new customer is stored in the company's database for future reference. Usual customers are offered discounts. Additionally details of daily transactions are also maintained. The suppliers from time to time as well come up with attractive schemes for the dealers. In case system is attractive for a particular item the store places order with the company. Details of past schemes are as well maintained by the store. The details of every item that is item code and quantity available and so on is also maintained. Depict a level 1 DFD for the above requirement.
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
What is architectural evolution? Architectural evolution is the practice of modifying a system from a centralized architecture to a distributed architecture like client server.
Define a software process. How do software myths affect a software process? Software process is a Coherent set of activities for specifying, designing, executing and testing so
What is quality control? Ans) Quality control means to preserve the quality of product by measuring their content , different physical parameters.
system design goals
Question This question refers to the database Schema. Express the following queries in SQL: (a) List the First Name, Last Name and telephone number of all employees who wer
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to expect effort as a function of line of codes (LOC)
User documentation consist descriptions of the functions of a system without reference to how these functions are implemented. Instances are installation guide and reference guide.
fact finding examples
Q. Describe design walk throughs and critical design review. Ans. A design walkthrough is a excellence practice that allows designers to acquire an early validation of desi
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