Information System

What is an Information System? * Information: breeding (relatively less heavy(predicate) to the management level for decision making), hence we need to measure up data into Management Information to help double-decker to describe decision. (data such as Name, Address, Age, psychometric test result for to all(prenominal) one exclusive student, but entropy is Total trash of Student, Total Number of BOYS, Total Number of Girls, Total enactment of student that goes into University each year) * System: SYSTEM (Like Hardware, Software, network,) TO PROCESS selective information INTO INFORMATION. This includes computer, scanner, printer, network card.....etc.) A system is a collection of controlled cistron parts that division together to achieve a predefined exercise. The purpose could be BILLING, or SALES MANAGEMENT, or FINANCIAL MANAGEMENT, or CREDIT CONTROL, or MONITORING the power of a Factory,......etc. What is the battle between Data versus Informat ion? Data is the raw natural required by an information system, (data such as Name, Address, Age, exam results for each various(prenominal) student, ;;;;;;;;;;; WHILE information is the product of that system. Categories of INFORMATION : TEXT, NUMBER, images, audio, video, (note: For DATA, we vex direct data (raw data collected directly e.g.

books lend record) and tiercehand data (is data from another information system), e.g. STUDENT fatten out from another STUDENT ADMISSION SYSTEM). Organising: process that determines the format in which the data will be represented in information system (e.g. date mm/dd/ yyyy, the first two go is always the month! , the second pair of character is always the date, the tierce pair is always the year ) WHY? Easier to analyse, process, store and find back information, and move it within or outside the system. ANALYSING: interprets and consequently transforms the data into useful information. The Data is not changed in this process, precisely summarised or collated. STORAGE AND RETRIEVAL: is the process that allows the data and information to be...If you indispensability to get a full essay, order it on our website: OrderCustomPaper.com

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