Martin031

System planning system analysis system design system implementation system operation and maintenance. Development law of information system (Nolan model): 1) initial installation; 2) Spread; 3) Control; 4)

It is classified by application level including strategic level tactical level operational level and thing level.

classified by data environment it can be divided into data files application databases subject databases and information retrieval systems. It is classified by application level including strategic

Basic functions of information system: data collection and input data transmission information storage information processing information maintenance and

methods applies information technology to solve management problems and provides support for management decisions. In short the information system is the input data

Define "information is a measure of system order". The unit of the information amount is determined to be bit. 1.2 three dimensional structure of information system Hall: time dimension logic dimension and knowledge dimension. Information system

information system construction life cycle of information system (each stage and its main work content) principles of information system construction and development methods of information system. 1.1

Reading notes Chapter 1 basic knowledge of information system 1) Information system: concept of information system function of information system type of information system and development of information

(using historical data) qualitative assessment matrix analysis risk development trend assessment methods project hypothesis premise assessment and data accuracy assessment full process guidance for

Financial statement method flow chart method (network or WBS method) on-site observation method historical data environment analysis method analogy method expert consultation 2Risk assessment methods probability distribution (expert

identification: inquiry method (mind scenery method interview method and Delphi method)

original Countermeasures - control risks according to the magnitude and priority of risks 5. Carry out input-output assessment on the design countermeasures 6. Transfer from feasible to 7. Return from

Risk identification 3. Pre estimate the possible consequences of the identified risks - risk assessment 4. Design the corresponding

the information application system and formulate preventive measures for it. The relationship between information security and security risk

information security and information risk how to design and formulate an information security assurance system for a new system that has not yet been established?It is to

vinformation security assurance system is a professional information application system that integrates various hardware software and password equipment on the network to ensure the normal operation of other business a

4.3 information security system support background any successful information security guarantee system is based on the strong support and full contribution of all parties. 2