Information Technology Management Essentials- D075

.infrastructure the underlying foundation or basic framework for an organization or project information technology The study, design, development, implementation, support, and management of computer-based information systems, particularly software and hardware six components of IT infrastructure 1. hardware 2. software 3. networks 4. data 5. people 6. processes hardware consists of physical and tangible parts of computer software a set of computer instructions that tell the computer how to work and perform tasks networks include devices such as routers, switches, and communication links that allow computer systems to communicate with each other no matter the distance or location data information stored in computer database processes the applications that a business uses in its daily operations best practice A management process, technique, or method that is most effective at arriving at a desired outcome or better outcome than any other process, technique, or method 2. Moore's law states that computing power doubles every 18 months leaders people who buy new technology right away followers people who wait to buy technology 3.Hypertext Markup Language (HTML) the major markup language used to create web pages Hypertext Transfer Protocol (HTTP) protocol used to define how messages are formatted and transmitted on the internet mainframe computers Massive, room-sized computers that process and store enormous amounts of bulk data and information midrange computers less powerful and smaller in physical size than mainframe computers, but do many of the same things, simply on a smaller scale microcomputers the least powerful computers in terms of processing and come in four typical configurations: desktop, laptop, tablet, and handheld system software software that runs in the background and require very little or no user intervention application software software that is designed for the user to carry out a specific task operating system (OS) a collection fo computer programs that work together to manage hardware and software to ensure that they are working properly; also called platform graphical user interface (GUI) the visual system of computer screen designs that allow a user to interact with an electronic device process any task a computer performs cache a hardware or software component that stores data so that future request for that data can be served faster random access memory (RAM) a type of memory that allows data to be accessed in any order without physical movement of the silicone media