Computers and Information Systems

Paper Summary:

The writer of this clear and concise paper delves into the various advances made over the years to basic information systems while also detailing their usefulness in both business and personal settings. The writer contends that computer information systems were initially developed to assist in managing and storing valuable data and information in both an organized and accessible form. Earlier computer systems required humans to manually load, enter and run computer programs, this is no longer the case as is explained in this paper. This paper discusses the functions of basic operation systems that each and every computer must contain in order to operate. This paper also delves into computer networking which is defined as a set of computers and connected devices that are linked together by shared communication facilities.

Table of Contents:
Basic Systems Concepts
Operating Systems and Programs
Information Systems Stored Data
Networking Concepts and the Internet
Information Systems and Decision Making
Information Systems and Future Trends
Phases in SDLC
Works Cited

From the Paper:

"The term network has been defined as a set of computers and connected devices that are linked by communication facilities. Thus a network can be two computers connected by a cable or thousands of computers connected by high-speed data communication links that is spread all over the world. Network gives us two basic advantages: the facility to communicate and the facility to share. A network helps in communication between users in better ways than other media. E-mail, the most well known form of network communication, offers inexpensive, printable communication with the facility of sending, reply, storage, recovery, and addition. Network supports collaboration with its capacity to share. This is the main charm of popular software called groupware that is created in such a way to allow many users to have electronic meetings and work alongside on projects. Internet is a network of computer networks, upon which anybody who has permission to a host computer can circulate their own documents."

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