This is the 23rd day of my participation in Gwen Challenge

Focus on

This section will account for about 3-8 points, which is quite important. It mainly focuses on information system strategic planning, enterprise informatization, e-commerce and enterprise application integration.

Characteristics of information

Objectivity: also called factuality, information that is not true is not only worthless, but also has side effects. Dynamic: Information changes over time. Hierarchy: Information can be divided into strategic, administrative, and operational levels. Transitivity: the transfer of information in time is storage; Transfer in space is transfer or diffusion. · Hysteresis: Information is the product of data processing, so the relative data has hysteresis. Diffusivity: Information, unlike physical objects, can be diffused or compressed. Shareability Information can be shared, unlike material things, and information sharing is non-zero-sum.

Information systems strategic planning – Methodology

The first stage takes data processing as the core and centers on the needs of functional departments

Enterprise system planning (BSP) : identifying system objectives from top to bottom, designing information systems from bottom to top, adapting to organizational changes. Critical success factor (CSF) : Identify the key set of information needed to achieve your goals and prioritize your development. Strategic set transformation method (SST) : the strategic target is regarded as “information set”, and the strategic target is transformed into the strategic target of the information system.

The second stage

Strategic data planning method (SDP), Information Engineering method (IE), strategy grid method (SG)

The third stage

Comprehensive consideration of internal and external environment of the enterprise with integration as the core, centering on enterprise strategic needs value chain analysis (VCA), strategic consistency model (SAM)

Enterprise informatization and electronic commerce

Enterprise Application Integration

conclusion

If you want to plant a tree, the best time is now, so start preparing now and try to pass it once!

Afterword.

I wanted to finish this chapter today, but suddenly there was a power outage and no water. I really don’t want to write it in a room with more than 30 degrees Celsius. I will write it tomorrow. What time return power cut off water, angry!!