Real-Time Analytics Tools:- There are some occasions where it is necessary that data is to be processed immediately So, in that case, a real-time system based on an online data processing system that has the capability of processing & updating computer files using terminal quickly enough to affect decision making. In a real-time system, all … Read more
System Implementation:- The term Implementation may be defined as “Implementation is the process of converting the manual or old computerized system with the newly developed system & making it operational, without disturbing the functioning of the organization.” System Implementation comprises the following 1. Creating computer compatible files 2. Training the people who are going to … Read more
Decision Tables:- Decision tables are powerful tools for expressing complex logical relationships in an understandable manner. The y are used to define clearly & concisely the decision statement of a problem in a tabular form. A decision table is a table of conditions for defining a problem & the actions to be taken. > The … Read more
State Transition Diagram:- A state transition diagram is a way of describing the time-dependent behavior of a system. System State A state is an observable mode of behavior of the system. > STD is used to develop an essential model of the system A model of how the system would behave if ew had perfect … Read more
System:- A system is an array of components that work together to achieve a common goal by accepting input, processing it, and producing output in an organized manner. Elements of a System: The basic three elements of the system are: Input Processing Output In addition of this, four more elements play an important role. These … Read more
What is the Feasibility Study?:- The dictionary meaning of feasibility is “able to be done”. The main objective of a feasibility study is to test the technical, social & economic feasibility of developing a system. “A feasibility study is an analysis that takes all of a project’s relevant factors into account—including economic, technical, legal, and … Read more
Feasibility report is a formal document for management use & is prepared by system analyst during or after a feasibility study. a. Feasibility report must be brief & sufficiently non-technical so that it will be easily understandable. b. It must be detailed enough to provide the basis for system design. Contents of Feasibility Report:- … Read more
Information system analysis and design is a complex, challenging & stimulating organizational process that a team of business & system professionals uses to develop & maintain computer-based information systems. The analysis & design of an information system is driven from an organizational perspective. Organizations can respond to & anticipate problems & opportunities through innovative uses … Read more
Decision Tree Advantages and Disadvantages:- A decision tree is a diagram that presents conditions & actions sequentially & thus showing which conditions to consider first, which second, & so on. > It is also a method of showing the relationship of each condition & its permissible actions Decision trees are best suited for dealing with … Read more
Distributed Database:- Distributed database system consists of a collection of sites, each of which maintains a local database system. Each site is able to process local transactions, those transactions that access data only in that single site. In addition, a site may participate in the execution of global transactions, those transactions that access data in … Read more