MIS英语论文--信息管理系统

Short for management information system, and pronounced as separate letters, MIS refers

broadly to a computer-based system that provides managers with the tools for organizing

evaluating and efficiently running their departments. In order to provide past , present and

prediction information, an MIS can include software that helps in decision making , data resource

such as databases, the hardware resources of a system, decision support systems , people

management and project management applications, and any computerized processes that enable

the department to run efficiently.

Within companies and large organizations ,the responsible for computer systems is

data, not with the computer itself. You can also say: “It’s a software problem.”

The distinction between software and hardware is sometimes confusing because they are so

integrally linked. Clearly, when you purchase a program, you are buying software . But to buy the

software , you need to buy the disk (hardware) on which the software is recorded.

Software is often divided into two categories:

Systems software: Includes the operating system and the utilities that enable the computer to

function.

Application software: Includes programs that do real work for users. For example, word

processors, spreadsheets, and database management systems fall under the category of

applications software.

which consists of three fields: name, address, and telephone number.

An alternative concept in database design is known as Hypertext. In a Hypertext database ,

any object, whether it be a piece of text, a picture, or a film ,can be linked to any other object.

Hypertext database are particularly useful for organizing large amounts of disparate information,

but they are not designed for numerical analysis.

To access information from a database, you need a database management system(DBMS)

This is a collection of programs that enables you to enter, organize, and select data in a database.

Increasingly, the term database is used as shorthand for database management system.

Hardware

Refers to objects that you can actually touch, like disks, disk drives, display screens,