Information System

Information System

What is Information System? Information system is collects the data from different business sources process that information. It applies different procedure on information. Components of Information System Data: Data is the raw information it is unprocessed information. Data is valuable to organization. Data is considered to be the life blood of every organization.   Hardware: Hardware consist of physical devices of information system like computer peripherals, machines like fax machine, Xerox machine, telecom devices, storage devices like tape, hard disk.   Software: Software is very essential to process data. Software is collection of computer…Read more
What is Compiler?

What is Compiler?

What is Language Translator? Language translation is the process of converting program written in a high level language into machine language. Computer understands machine language only which is written in 0 and 1. What is Compiler? Actually there are two types of computer languages one is lower level language it is also called as assembly language program in assembly language is written using assembly language instructions, another type is higher level languages like c, java tec. It is very difficult to write program in assembly level language. To solve this problem we use…Read more
Basics of Electronic Communications

Basics of Electronic Communications

What is Communication? Communication is the process of exchange of thoughts, ideas, emotions, information, and data.  It is impossible for human beings to live without communicating with each other now day’s communication play vital role in different fields like business, education, healthcare, and government organizations military. If distance is huge then we cannot communicate directly we must use some electronic media. Examples of electronic communication systems are telegram, mobile, telephone, TV, internet, walkie- talky etc. there are different communication systems like analog communication system, digital communication system. Analog communication system further classified as…Read more
JAVA Script

JAVA Script

What is JAVA Script? JavaScript is a technology that allows you to enhance the functionality of your Web pages by embedding applications directly into your HTML. You can use JavaScript to build applications that range from adding interactivity to your pages to applications that interact with databases. This technology is supported by almost all modern browsers like Mozilla, Google chrome, IE etc. there is no need to have licence to use java script. JavaScript is usually embedded directly into HTML pages. JavaScript is a scripting language. Actually java and JavaScript both are different…Read more
Transaction Management

Transaction Management

What is Transaction? Collection of operation that forms a single logical unit of work is called transactions. Transaction is any activity that modifies existing records. Transaction is very complicated task it involves activities like sending email, transferring account balance from one account to another, modifying records, recharging your mobile phone, shaping using cards etc. the transaction basically operates on database at time data base is access by different transactions so it is very important to keep database in consistent state this is called as transaction management. Before transaction takes place it important to…Read more
Enterprise Resource Planning System

Enterprise Resource Planning System

What is ERP? The ERP deals with the planning and use of resources in the business. The resources are finance, material, human etc. to run business we need large amount of information but in big organization there are islands of information we can integrate these information using ERP software. ERP is acronym of Enterprise Resource Planing. ERP is also referred to as enterprise software ERP is all about making smart decisions. To make well informed and timely decisions you need instant access to accurate information from every function in your enterprise. ERP plays…Read more
Software Development : Waterfall Model

Software Development : Waterfall Model

What Is Waterfall Model? The waterfall model is the simplest model in software engineering. This is also called as classic life cycle model. Times when the requirements for a problem are well understood and when work flows from communication through deployment in a reasonably linear fashion. In waterfall model process is carried out in top to down sequentially.   This situation is sometimes encountered when well-defined adaptations or enhancements to an existing system must be made (e.g., an adaptation to accounting software that has been mandated because of changes to government regulations). It may…Read more
Software Testing

Software Testing

  What Is Software Testing? The main objective of software development is the quality. Software engineering is a layered technology. Any engineering approach (including software engineering) must rest on an organizational commitment to quality. When software is developed we need to review the software whether it is working properly to ensure the quality of software. During testing we uncover error, defects in software. You’ll make mistakes as you develop software engineering work products. Software testing is the most effective mechanism for finding mistakes early in the software process.   The goal of testing…Read more
USB

USB

Introduction UNIVERSAL SERIAL BUS is a serial bus standard to interface devices. UNIVERSAL SERIAL BUS was invented to allow peripheral to be connected using a single standardised interface socket, to improve a plug and play capabilities by allowing devices to be connected and disconnected without rebooting the computer. Other convenient features include powering low-consumption devices without the need for an external power supply and allowing some devices, keyboard, PDA, game pads and joysticks, scanner, printers. UNIVERSAL SERIAL BUS is also used extensively to connect peripheral such as mouse device, keyboard, PDAs, games. The…Read more
Artificial Intelligence

Artificial Intelligence

Introduction to Artificial Intelligence Artificial intelligence is the art and science of adapting computers to emulate how human think and act and make decisions. Artificial intelligence is also used to accomplish physical tasks that may be too dangerous for human beings.  While computer seem smart, they are only good as the human who program them. Most important, they are not capable of true human action. All humans have Artificial which they use for problem solving. When such Artificial is supported by computer software it becomes Artificial intelligence which we can use for variety…Read more