MIS Prelims Reviewer

Data

A number, statement, image, or video that may represent specific data.

Information

It refers to a collection of data, such as words, numbers, images or graphics

Timeliness

Every information must be up to date based on the requirements-not too early and not too late for the end user.

Appropriateness:

A system must have appropriate and relevant information in every module. It must be relevant to the user who is using it.

Accuracy

Information must be correct or precise. For example, systems performing calculations must produce the exact values.

Conciseness

Not all information must be displayed in the system. It should only contain the minimum detail that is appropriate to the user.

Understandability

Any information displayed on the system must be interpreted properly by its end user.

Accessibility

A system must be available on the user's side anytime and anywhere.

Cost-effectiveness:

Information must be cheap or inexpensive but provides valuable information.

Transaction Processing System

this system is the most widely used information system. The function of this system is to record data which are collected at the boundaries of organizations. This system also records the transactions inside an organization.

Supply Chain Management System

this system manages the relationship of the organization to its customer

Supply chain

Refers to the sequence of activities. It includes marketing, manufacturing and assembly, packing and shipping, and billing and collection

Customer Relationship Management System

This system manages the relationship of the organization to its customer.

Business Intelligence systems

Most of the organizations use business intelligence systems to compete better with other organizations. This system accesses massive data, usually larger databases called data warehouses

Decision Support System

This system helps to find actions and answers most of the questions like "What if?".

Expert Support System

This system uses artificial intelligence to be able to preserve the knowledge of an expert and to solve problems

Systems Development Life Cycle

Also called waterfall development, consists of well-defined phases that are followed methodically

Systems Analysis

This is the first stage in a system life cycle that has certain steps to come up on the data. It requires analyzing the data, identifying the problems, and determining the information requirements and objectives of the system

Systems Design

This is the second stage in the system life cycle, which describes how the system will meet its information requirements

Programming

This is the third stage of the system life cycle. This stage is to translate the system design into the computer language

Testing

This is the fourth stage of the system life cycle. This stage answers the question "Is the system ready to use?".

Conversion

This is the process of changing the old system to the new one

Production and Maintenance

This is the last stage in the system life cycle. After the system is installed, it is reviewed and looked for changes or improvements that must be done.

Database Management System

A software that allows an organization to collect and manage data efficiently.

Strategy

Described as the determination of the basic long-term goals and objectives of an enterprise and the adoption of courses of action and allocation of resources necessary for achieving these goals