Thursday, October 1, 2009

2nd assignment

1. Define Close System vs Open System.
Closed System - is a system in which the important data / information are kept secret to prevent interference from third parties.
Open System - are computer systems that provide some combination of interoperability, portability and open software standards.
2. What is Information System?
Information system refers to the interaction between people, processes, and technology.
3. Examples to Information System
-transaction processing system
-management information system
4. Components of Information System
-hardware, software, data, procedures/policies
5. What is Information Map?
-is a research-based approach for creating structured documents and communications that are clear, concise and user-focused.
6. What is Information Technology?
-the study, design, development, implementation, support or management of computer-based information systems, particularly software applications and computer hardware.

1st assignment

1. Why Information System are essential to business?

Information System are essential to business because Information systems are the foundation for conducting business today. In many
industries, survival and even existence without extensive use of IT is
inconceivable, and IT plays a critical role in increasing productivity. Although
information technology has become more of a commodity, when coupled with
complementary changes in organization and management, it can provide the
foundation for new products, services, and ways of conducting business that
provide firms with a strategic advantage.

2. What is a system?

-an ordered and comprehensive assemblage of facts, principles, doctrines, or the like in a particular field of knowledge or thought.
-a coordinated body of methods or a scheme or plan of procedure; organizational scheme: a system of government.