ITM/U4 Topic 4 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 […]
ITM/U4 Topic 3 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 […]
ITM/U4 Topic 1 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 […]
ITM/U2 Topic 8 Database Management Systems Concepts
DBMS – Architecture The design of a DBMS depends on its architecture. It can be centralized or decentralized or hierarchical. The architecture of a DBMS can be seen as either […]
ITM/U1 Topic 2 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 […]
DS/U4 Topic 6 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 […]
DS/U4 Topic 5 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 […]
DS/U4 Topic 4 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 […]
DS/U4 Topic 3 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 […]
DS/U4 Topic 2 Analysis with the help of PERT and CPM
Program Evaluation and Review Technique (PERT) is a method used to examine the tasked that are in a schedule and determine a variation of the Critical Path Method (CPM). It analyzes […]
DS/U4 Topic 1 Meaning of Networking
Meaning of Network Technique Network technique is a technique for planning, scheduling (programming) and controlling the progress of projects. This is very useful for projects which are complex in nature […]
DS/U3 Topic 4 Solution of Game Theory Problems with the Help of Graphical, Algebraic, and Simplex Methods
This method can only be used in games with no saddle point, and having a pay-off matrix of type n X 2 or 2 X n. Example: Graphical Method for […]
DS/U3 Topic 3 Game Theory – Pure and Mixed Strategies, Principle of Dominance
Pure strategy A pure strategy is an unconditional, defined choice that a person makes in a situation or game. For example, in the game of Rock-Paper-Scissors,if a player would choose […]
DS/U2 Topic 10 Assignment Problems
Assignment problem is a special type of linear programming problem which deals with the allocation of the various resources to the various activities on one to one basis. It does […]
DS/U2 Topic 8 Transportation Problems – Initial Basic feasible Solution
The Transportation Method of linear programming is applied to the problems related to the study of the efficient transportation routes i.e. how efficiently the product from different sources of production is transported […]
DS/U2 Topic 7 Role of LP in Economic Decision Making
Agricultural Applications These applications fall into categories of farm economics and farm management. The former deals with agricultural economy of a nation or region, while the latter is concerned with […]
