Chapter 4information technolog

ACCABT，is data that has been processed in such a way that it has meaning to the person that receives it.已经过处理的数据，可用于做决定。

Chapter 4information technology and information systems in Business 商业中的信息系统

• Data and information数据和信息
  • Data
    • consists of numbers，letters，symbols，raw facts，events and transaction which have been recorded but not yet processed into a form that is suitable for making decisions.记录了原始数据，不能用于决定依据
  • Information
    • is data that has been processed in such a way that it has meaning to the person that receives it.已经过处理的数据，可用于做决定
    • 作用
      • provide records， both current and historical 提供当前和历史记录
      • to ananlyse what is happening in the business 分析业务中发生的情况
      • provide the basis for decision-making in the short and long-term 为长期和短期决策提供一定依据
      • monitor the performance of the business by comparing actual results with plans and forecasts.将实际情况和计划，预测比较，以监督业绩表现
    • used by various third parties
      • shareholders or owners
        • investment performance 投资表现
      • customers and suppliers
        • the stability of the business 业务稳定程度，以判断是否可靠
      • employees
        • organisation's performance ,job security ,pay 绩效，工作保障，薪资
      • government agencies
        • tax authorities 收税
    • 优质信息具备的条件
      • A
        • accurate 精确地
      • C
        • complete 完整的
      • C
        • cost成本
      • U
        • understandable 可理解的
      • R
        • relevant 相关性强的
      • A
        • adaptable适合的
      • T
        • timely 及时的
      • E
        • easy to use 易于使用
    • management stucture
      • strategic 战略
      • tactical战术
      • operational操作
• information system to support decision making 支持决策的信息系统
  • operational
  • tactical
  • strategic
• transaction processing system 事务处理系统
• management information system 管理信息系统
• decision support system 决策支持系统
• executive information system 行政信息系统
• expert system 专家系统