Security issue in IT and Emerging Trends
21st century has been defined by application of and advancement in information technology. Information technology has become an integral part of our daily life. According to Information Technology Association of […]
Physical Components of Information Systems and Classification
Components of information systems An information system is essentially made up of five components hardware, software, database, network and people. These five components integrate to perform input, process, output, feedback […]
Information And Knowledge Concepts
Perspectives on Knowledge, Information, Data In everyday language we use knowledge all the time. Sometimes we mean know-how, while other times we are talking about wisdom. On many occasions we […]
Database Management Systems Concepts
Database Management System (DBMS) is a software for storing and retrieving users’ data while considering appropriate security measures. It consists of a group of programs which manipulate the database. The […]
Computer Hierarchy, Input Technologies, Output Technologies
Computer Hierarchy Generation in computer terminology is a change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies. Nowadays, generation […]
Simulation Modeling
Simulation of Queuing System Example 1: Simulation of Queuing System People arrive at the New Delhi Railway station to buy tickets according to the following distribution. Inter-arrival Time (Min.) Frequency […]
M/M/I/FIFO
M/M/1 (N/FIFO) System : Queuing Models It is a queuing model where the arrivals follow a Poisson process, service times are exponentially distributed and there is only one server. Capacity of the […]
Queuing Theory Meaning, Concepts and assumptions of queuing models
Queuing theory is the study of queues and the random processes that characterize them. It deals with making mathematical sense of real-life scenarios. For example, a mob of people queuing up at a bank […]
Resource Planning and Meaning of Crashing
Resource Planning Resource planning refers to the strategy for planned and judicious utilisation of resources. Resource planning is essential for sustainable existence of all forms of life. Resource planning is […]
