31 terms

CS 110 Chapter 5

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MIS infrastructure
Includes the plans for how a firm will build, deploy, use, and share its data, processes, and MIS assets
Backup
An exact copy of a system's information
Recovery
The ability to get a system up and running in the event of a system crash or failure
Disaster Recovery Plan
A detailed process for recovering information or an IT system in the event of a catastrophic disaster such as a fire or flood
Disaster Recovery cost curve
Charts (1) the cost to the organization of the unavailability of information and technology and (2) the cost to the organization of recovering from a disaster over time
Hot site
A separate and fully equipped facility where the company can move immediately after a disaster and resume business
Cold site
A separate facility that does not have any computer equipment, but is a place where employees can move after a disaster
Warm Site
A separate facility with computer equipment that requires installation and configuration
Business continuity planning
A plan for how an organization will recover and restore partially or completely interrupted critical functions within a predetermined time after a disaster or extended disruption
Accessibility
Refers to the varying levels that define what a user can access, view, or perform when operating a system
Administrator access
Unrestricted access to the entire system
Availability
Time frames when the system is operational
Unavailable
Time frames when a system is not operating and cannot be used
High availability
System is continuously operational at all times
Maintainability
How quickly a system can transform to support environmental changes
Portability
The ability of an application to operate on different devices or software platforms
Reliability
Ensures a system is functioning correctly and providing accurate information
Scalability
How well a system can scale up, or adapt to the increased demands of growth
Performance
Measures how quickly a system performs and process or transaction
Performance
Measures how quickly a system performs a process or transaction
Capacity Planning
Determines future environmental infrastructure requirements to ensure high-quality system performance
Usability
The degree to which a system is easy to learn and efficient and satisfying to use
Moore's Law
Refers to the computer chip performance per dollar doubles every 18 months
Sustainable, or "green", MIS
Describes the production, management, use, and disposal of technology in a way that minimizes damage to the environment
Corporate social responsibility
Companies' acknowledged responsibility
Ewaste
Refers to discarded, obsolete or broken electronic devices
Sustainable MIS disposal
Refers to the safe disposal of MIS assets at the end of their life cycle
Grid Computing
A collection of computers, often geographically dispersed, that are coordinated to solve a common problem
Cloud computing
Refers to the use of resources and applications hosted remotely on the Internet
Virtualization
Creates multiple "virtual" machines on a single computing device
Data Center
A facility used to house management information systems and associated components, such as telecommunications and storage systems
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