Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. What do you mean by Prototype?
A prototyping approach lay emphasis on the construction model of a system. Designing and building a scaled-down though functional version of a desired system is the process called as Prototyping. A prototype is a working system which is developed to test assumptions and ideas about the new system. It comprises working software which accepts input, performs calculations, produces printed or displayed information or performs other meaningful activities. It's the first version or iteration of an information system which implies an original model. Customer evaluates this model. This can be efficiently done only if data are real and situations are live. Changes are expected as system is used. This technique is useful when requirements aren't well defined. A prototype is typically a test model. It's an interactive process. It may begin with only new functions and be expanded to comprise others which are identified later. Steps of Prototyping process are:
Actual development of a working prototype is responsibility of a systems analyst. The difference between an actual information system and a prototype model is that a prototype won't include the error checking, input data validation, security and processing completeness of a finished application. It won't provide user help as in the final system.
However sometimes prototype can evolve into the product to be built. Prototype can be easily developed with tools of fourth generation languages (4GL's) and with help of Computer Aided Software Engineering (CASE) tools. Prototyping approach is a form of rapid application development (RAD).
What is a crosstab query wizard? A wizard that helps us to show the data in a two-dimensional tabular format is the crosstab query wizard. You can use this to make queries that
Signalling transfer point (STP) exist in (A) Strowger exchange (B) SS7 (C) Local area network (D) PABX Ans: STP that is stand f
Describe Data Parallel Model? In data parallel model most of parallel work concentrates on performing operations on a data set. Data set is characteristically organised in a co
write a program insert and remove value in queue.
Predicates - first-order logic: First and foremost in first-order logic sentences, because predicates. Hence the indications of that some things are related in some way. So af
Determine the features of keyboards Common features on general-purpose keyboards are cursor-control keys. Functions keys are used to enter frequently used operations in a singl
Why IO devices cannot be directly be connected to the system bus? The IO devices cannot be directly linked to the system bus because i. The data transfer rate of IO device
Explain the working of light pens Light pens still exist, but due to several disadvantages they are not as popular as other input devices that have been developed. For example,
what are the applications of microprogramming
A series of keystrokes and mouse clicks that can be abbreviated into a one keystroke or mouse click.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd