《信息技术战略管理》Chapter 4 Operations and Transactions

Chapter 4 Operations and Transactions The Strategic Management of Information Systems

Chapter 4 Operations and Transactions The Strategic Management of Information Systems

Transaction Processing System Input Output Process

Transaction Processing System Input Output Process

TWo Levels of Planning Systems planning Gives Managers, Users, and Information Systems Personnel projects Establishes what should be done Sets a budget for the total cost of these projects Systems Project Planning Setting a plan for the development of each specific systems project

Two Levels of Planning Systems Planning – Gives Managers, Users, and Information Systems Personnel Projects – Establishes what should be done – Sets a budget for the total cost of these projects Systems Project Planning – Setting a plan for the development of each specific systems project

Systems Professional skills Systems Planning Form project team after proposed systems project is cleared for development Systems AnalySIs Business Systems Analysts knowledgeable in business General Systems design Business Systems Analysts Systems Evaluation and selection Business Systems Analysts Detailed Systems Design Wide Range of systems and Technical designers Systems Implementation Systems analysts, programmers, and special technicians

Systems Professional Skills Systems Planning – Form project team after proposed systems project is cleared for development Systems Analysis – Business Systems Analysts knowledgeable in business General Systems Design – Business Systems Analysts Systems Evaluation and Selection – Business Systems Analysts Detailed Systems Design – Wide Range of Systems and Technical Designers Systems Implementation – Systems analysts, programmers, and special technicians

Effective Leadership Style Autocratic Style Crisis-Style Management Used to Correct Major Problem, such as schedule Slippage Democratic Style Team-oriented Leadership Gives each team member the freedom to achieve goals which he/she helped set Laissez-Faire Style Highly-motivated, Highly-Skilled Team Members People who work best alone

Effective Leadership Style Autocratic Style – Crisis-Style Management – Used to Correct Major Problem, such as Schedule Slippage Democratic Style – Team-oriented Leadership – Gives each team member the freedom to achieve goals which he/she helped set Laissez-Faire Style – Highly-motivated, Highly-Skilled Team Members – People who work best alone

Project management skills Planning States what should be done Estimates how long it will take Estimates what it will cost Leading Adapts to dynamics of enterprise and deals with setbacks Guides and induces people to perform at maximum abilities Controlling Monitors Progress Reports and Documented Deliverables Compares plans with actuals OrganizIng Staffs a Systems Project Team Brings together users, managers, and team members

Project Management Skills Planning – States what should be done – Estimates how long it will take – Estimates what it will cost Leading – Adapts to dynamics of enterprise and deals with setbacks – Guides and induces people to perform at maximum abilities Controlling – Monitors Progress Reports and Documented Deliverables – Compares Plans with Actuals Organizing – Staffs a Systems Project Team – Brings together users, managers, and team members

Project Management Gantt chart Pert chart

Project Management Gantt Chart Pert Chart

Gantt Chart Compares planned Performance against actual performance to determine whether the project is ahead of, behind, or on schedule Schedule a complete systems project by phases

Gantt Chart Compares Planned Performance against actual performance to determine whether the project is ahead of, behind, or on schedule Schedule a complete systems project by phases

PERT Chart Four Steps Identify Tasks Determine Proper Sequence of Tasks Estimate the Time required to perform each Task Prepare Time-Scaled Chart of Tasks and Events to determine the Critical Path

PERT Chart Four Steps – Identify Tasks – Determine Proper Sequence of Tasks – Estimate the Time Required to Perform each Task – Prepare Time-Scaled Chart of Tasks and Events to Determine the Critical Path

PERT Chart Estimate Schedule and Control a network of interdependent tasks Shown by arrows, nodes, or circles Determine minimum time needed to complete a project, phase, or task Critical Path Minimum time needed to complete a project or phase Program, Evaluation and Renew Technique Total of the most time-consuming chain of events

PERT Chart Estimate, Schedule, and Control a network of interdependent tasks Shown by arrows, nodes, or circles Determine minimum time needed to complete a project, phase, or task Critical Path – Minimum time needed to complete a project or phase Program, Evaluation and Renew Technique – Total of the most time-consuming chain of events