Many people use computers without knowing how it works. The main software when using the computer is the operating system. The operating system defines all the experience when using a computer; it manages the hardware and software resources of the computer system, provides a way for applications to deal with the hardware without having to know all the details of the hardware, and it is the software that makes all the programs we use work, and it organizes and controls the hardware on our computers. The operating system is the first software we see when we turn on the computer, and the last software we see when the computer is turned off. It’s important to know and understand that not all computers have operating systems. For example the computer that controls the microwave oven in your kitchen doesn’t need an operating system, it has only simple tasks to perform, very Continue reading
Information Technology
What Is Big Data?
Around the late 1990s the term “Big Data”, was launched at the Silicon Graphics Inc although it did not become a massive buzz word until 2011. Big Data can be defined as a term, used to described the huge datasets, which consist of both structured and non-structured data. These data sets can be very complex, however with techniques and various types of tools, this can enable the collecting, storage, cleansing, extract of the data to be analyzed. The analyzed data can offer great benefits to various types of industry. There is a massive market for companies for all types of industries to know what people want. For example, the television company might what to know what types of programs people like to watch? This means the company could stream the data from a live feed such as Facebook or twitter. As the internet, has grown people are now communicating at Continue reading
Types of Information Systems Used in Business
The implementation of the information system in the development of the business is most necessary now days. For most business, there are varieties of requirements for information. In every organization different level of management need different type of information for development of business. For example, senior management needs information to help with their business planning. Middle management needs more detailed information to monitor and control business activity. The employees at lower management need information to help them to perform their duties. In this global world information systems are playing important role in any organizations to meet their strategic goals. For the development of the business it very important to have good information system in each department of organization such as accounting, finance, marketing and human resource department to perform business operations. In addition, the technical terms of information system refers to the interaction between algorithmic process and the technology. The Continue reading
Agile Project Management – Concept and Stages
What is Agile Project Management? Agile project management has been defined as short cycles of product development that deliver incremental updates of the product rapidly based on the changing needs of the customer. This methodology is the opposite of waterfall project management, which values extensive planning and pre-production. The agile approach consists of a number of stages including rapid iterative planning and development cycles allowing a project team to constantly evaluate the project and obtain immediate feedback from users or stakeholders allowing the team to learn from their experiences after each cycle. After the streamlined planning requirements, definition and solution design phase is completed to get the project underway iterations or more detailed planning requirements are created. This allows for immediate modifications of the product as customer views change. Agile project management requires a dedicated full time team including a customer or end users. Agile project management differs to traditional Continue reading
What is Dumpster Diving?
In the world of information technology, dumpster diving is a technique which is used to retrieve information that could be used to carry out a fraudulent activity. Many people throw away their sensitive documents that contain their personal information without destroying them properly that a fraudster can find in trash cans and as a result use this information to commit a fraud. Dumpster diving is not too meant to probing through the trash for noticeable resources like identity numbers or passwords written down on papers. Apparently useless information like a phone list, calendar, or organizational chart can be used to obtain valuable information. Shopping, can easily memorize your details including name, address and the last three numbers of your credit card during the short time it takes you to write a check. Dumpster Diving in Process There is another type of computer-related “trash” that we might not consider. In the Continue reading
11 Types of Information Systems Used in Business
Conceptually, information systems in the real world can be classified in several different ways. For example, several types of information systems can be classified conceptually as either operations or management information systems. 1. Operations Support Systems Information systems have always been needed to process data generated by, and used in, business operations. Such operations support systems produce a variety of information products for internal and external use. However, they do not emphasize producing the specific information products that can best be sued by managers. Further processing by management information systems is usually required. The role of a business firm’s operations support systems is to efficiently process business transactions, control industrial processes, support enterprise communications and collaboration, and update corporate databases. 1. 1. Transaction Processing Systems Operations support systems include the major category of transaction processing systems (TPS). Transaction processing systems record and process data resulting from business transactions. Typically examples Continue reading