Kinds of System

Is a schema that captures, enters stores, retrieves and processes the relevant details of contrast events, and generates the information/document necessary for running he organization and interfacing with external entities, such as customers. Transaction Is the process of dlvldlng a body of data Into blocks and spreading the data blocks across some(prenominal) partitions on several hard disks. Features of Transaction Processing Systems 1. Rapid reception fast performance with rapid results 2.Reliability- well designed backup and recovery with a low stroke rate 3. Inflexibility treat every transaction equ all(prenominal)y. It may be used many clock times each day which means it has to be punctilious and inflexible 4. Controlled bear on maintain speclflc requirements for the roles and responsibilities of different employees. Types of -rps Batch processing Is where the training Is collected as a batch and then processed later on. An representative of batch processing is pa ying by cheque.Batch processing is useful for enterprises that need to process large amounts of data using limited resources Batch Processing system Real Time Processing is where all details of the transaction ar recorded and alterationd at the time as It occurs. Examples of real time processing are ATMs. The importance of data In transaction processing Data security Is Important as data Is often confidential or has a moneymaking(prenominal) value, herefore, it needs to be protected from unauthorized irritate.Data accuracy means that the data is correct and that the data is up to date (current) Data integrity describes the reliability of data. This impart include statements of data currency, correct entry of data and accuracy of the data. TPS serve two purposes. 1 . To support day-to-day, routine operations by being do accessible to those parts of the organization (as well as to external entities) where they are needed. 2. To feed 1 OFA effectiveness and efficiency of the oper ations. The computer system mediating between the human and physical reality in an nventory application.Updates brought about by a transaction are of three types Adding a unseasoned record, such as when a innovative customer signs up Changing an surviveing record, such as changes in credit available for a customer when that customer makes new purchases or returns already purchased products Deleting a record, such as when a product is discontinued TPSs are characterized by Large amounts of input/output Large number of users Huge memory board requirements Low computational complexity Fast input/output as well as processing capabilities A high degree of concern for say-so security related problems A high degree of oncern for reliability and fault tolerance.Five Stages of Transaction Processing Data Entry Processing Database Maintenance Document And typography Generation Inquiry Processing steering Information Systems Provide information in the form of reports and displays to ma nagers and many business professionals to support business decision making. A counselling information system is an information system that uses the data collected by the managers can use it to make routine business decisions in response to problems. Some of the reports that this information systems creates are summary, exception and ad hoc reports.All this is done to outgrowth the efficiency of managerial activity. Most management information systems specialize in limited commercial and industrial sectors, aspects of the enterprise, or management substructure. Management information systems (MIS), produce fixed, regularly scheduled reports based on data extracted and summarized from the firms underlying transaction processing systems5 to middle and operational level managers to identify and inform structured and semi-structured decision problems.Decision Support Systems (DSS) are computer program applications used by middle management to ompile information from a wide range of so urces to support problem solving and decision making. Executive Information Systems (EIS) is a reporting tool that provides quick access to summarized reports coming from all company levels and departments such as accounting, human resources and operations. Marketing Information Systems (MIS) are Management Information Systems designed specifically for managing the marketing aspects of the business.Office automation Systems (OAS) support communication and productivity in the enterprise by automating work flow and eliminating bottlenecks. OAS may be implemented at any nd all levels of management. School Information Management Systems (SIMS) covers school administration, and often including teaching and learning materials. Enterprise Resource Planning (ERP) facilitates the flow of information between all business functions inside the boundaries of the organization and manages the connections to outside stakeholders.Advantages The following are some of the benefits that can be attaine d for different types of management information systems. Companies are able to suck up their strengths and weaknesses due to the presence of revenue reports, employees performance record etc. The identification of these aspects can help the company improve their business processes and operations. Giving an overall video of the company and acting as a communication and planning tool. The availability of the customer data and feedback can help the company to align their business processes check to the needs of the customers.The effective management of customer data can help the company to perform direct marketing and promotion activities. Some disadvantages can exist when using a management information system in a company. Expensive Installing a management information system can be expensive for a company. Information technologywhile cheaper today than previous yearscan represent a significant expense, especially for larger organizations. These systems may also require ongoing supp ort or upgrade fees, which can represent future fixed cash outflows.Companies must create a work out to pay for these items to ensure the information system stays current with business technology. Attempting to integrate these systems with technology currently in use can also increase expenses. Companies may need to hire maintenance individuals to help keep an electronic information system running smoothly. These individuals often need experience in omputer comprehension functions and other business topics. Not only does this increase labor costs, but it also requires additional training and ongoing education for these individuals.Business technology can change frequently, creating an environment where companies must have trained individuals who can properly maintain computers, websites, servers and other equipment in use by the management information system. Ineffective Management information systems have the potential to become ineffective in a companys operations. As with all c omputer systems, the management information system is only as good as the programmer. Gathering unimportant or non-essential information can delay business decisions because managers must request additional input.Spending too much time reprogramming or correcting issues can also increase the time spent in the decision-making process. Business owners and managers may also need extensive training on new systems, creating a learning curve that will hopefully diminish over time. Unemployment While information, Information Security Selection Software Evaluation Reports, they secure Information Exchange in an Insecure World, Lack of Job security, Dominant culture , there is no privacy, expensive, maintenance and ineffective.