A business application in the computer. An information system comprises the database, application programs and manual and machine procedures. It also encompasses the computer systems that do the ...

How does a business communicate, plan and decide? There are many methods, but they're collectively known as information systems – how a business gets information, and what it decides to do with it.

A business computer system that responds to transactions by immediately updating the appropriate databases. Real-time information systems generate a response fast enough to prevent human operators ...