Chapter 13 Organizing Information System Resources MIS Department Centralization and Decentralization

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Transcript Chapter 13 Organizing Information System Resources MIS Department Centralization and Decentralization

Chapter 13 Organizing Information System Resources

MIS Department

Centralization and Decentralization

Outsourcing Computer Facilities and Services

I. MIS Department 1. Basic Roles of MIS Department (p.510)

Hardware acquisition and support

Software acquisition and support

Network support

Software development

Support end-user development

Corporate Computing Standards

Data and Database Administrator

Security

Advocacy roles

• • •

Hardware acquisition and support

Purchase, test, deliver and setup computers

Fix or replace computers

Routine maintenance

Software acquisition and support

Purchase and install

User training and support

Upgrade Network Support

Wired and wireless

Connections to Internet

Network Security Software development

MIS development team leader

Select and schedule MIS projects

Monitor progress

Support end-user development

Training and help desk

Simple one-user system grows into large multiple user system (security, accuracy and so on)

Set corporate data standards: data, files, software, hardware and hardware connections

Data and data administration

maintain and monitor performance of database

Provide data integrity and security control

Data backup and recovery

Security

Policies

Control and monitor

Advocacy roles: present benefits and strategic use of MIS.

2. MIS Jobs (p.516)

Management: CIS/VP, Director

Business oriented: system analyst

Technical positions: network administrator, database administrator, telecommunication specialist, programmer

Entry-level: help desk, PC technician

II. Centralization or Decentralization? (p.519) 1. Hardware

Centralizing hardware

Share hardware such as large computer, printer

and so on.

Less duplication of hardware, software, data and MIS personnel.

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User access control

Decentralizing hardware

Price ($50,000 per MIPS vs.. $50 per MIPS)

More efficient use of hardware Avoid total breakdown

Personalized equipment

2. Software

Centralizing software

Standardization and compatibility

– –

Easier to install and upgrade A certain number of licenses shared by more users

Buying discount

Decentralizing software

Speed

Flexible to requirement of users

3. Data

Centralizing data

Easy to share data (concurrent access, data integrity, security control and monitoring access and usage)

Easy to backup and recover

Decentralizing data

Faster data access (sometimes through data

– –

replication) Complete control of own data Easy access since users know what data they have and where data is located.

4. Personnel

Centralizing personnel

Group of specialized MIS personnel

– –

Ease of recruitment and training Professional career and promotion

Easy to monitor MIS cost

Decentralizing personnel

Faster response to users’ needs

– –

Better understanding of users’ needs Better communication to users

Different career path 5. Client/Server model combines both

Items on server tend to be centralized and gain efficiencies from large scale of operation

Items on client tend to be decentralized and flexibility

III. Outsourcing Computer Facilities and Services (p.517)

Advantages

Professional development teams

Minimize management of IT development issues

Easy to control costs

Disadvantages

Possible loss of control

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Security issues Who identify long-term competitive advantages

Possible higher costs: your cost + profit margin