Chapter 1 Flashcards
What is a system?
A set of elements that interact to accomplish goals.
What are the monomers of a system?
Input, Processing Mechanism, Output, and Feedback.
What Is Information?
A collection of facts, processed data.
What Is An Information System?
A set of connected components that collect, manipulate, store, spread information and provide feedback to meet an objective.
What are the characteristics of Valuable Information?
Information needs to be Accurate, Verifiable, Secure, Timely, Relevant, Reliable, and Complete.
What are the types of Information Systems?
Manual Information Systems (MIS) and Computerized Information Systems (CIS).
What is Computer-Based Information Systems (CBIS)?
A set of hardware, software, people, and procedures configured to collect, manipulate, store, and process data into Information.
What Is A Database?
An organized collection of Information.
Explain the term telecommunication.
It is an electronic transmission of signals meant for communication. It enables organizations to carry out tasks through computer networks.
What does Network do?
It connects computers and hardware all around the world to allow electronic communication.
Explain the term Internet.
It is the largest computer network in the world, freely exchanging information.
What Is the Most Important Element in CBIS?
People.
What are People’s Roles In CBIS?
People manage run, program and maintain the system.
What Are Procedures?
the methods and rules for using CBIS.
What are the roles of Good Procedures?
Good Procedures help companies take advantage of new opportunities and avoid disasters
What are Bad Procedures?
Bad Procedures are time-wasters and result in disasters.
What is E-commerce?
Business transactions executed electronically.
What is Mobile Commerce (M-commerce)?
business transactions that happen anywhere, anytime.
What does m-commerce rely on to conduct business?
Wireless Communications.
What is an ERP System?
It is a set of programs that manage vital business operations for a global organization.
What is the purpose of an ERP System?
Does the job of some or all the Business Information Systems. Eg, manufacturing processes, scheduling inventory purchases, meeting customer demands.
What is an Operational System?
It is a system that helps organizations perform important tasks. Eg, paying employees and suppliers.
What is a Transaction Processing System (TPS)?
It is an organized collection of people and software used to record completed transactions.
What is a Management Information System (MIS)?
It is an organized collection of people and software that provides routine information to managers and decision-makers.
What does MIS focus on?
It focuses on operational efficiency.
What is a decision support system (DSS)?
It is an organized collection of people and procedures that support problem-specific decision-making.
Who is in charge of decisions in a DSS?
Humans are in charge of making decisions.
When is Decision Support Systems used?
When a problem is complex, when information is difficult to obtain and use.
What is a Knowledge management system (KMS)?
It is an organized collection of people, procedures, and software that creates, stores, and shares the organization’s knowledge and experience.
What is AI?
Artificial Intelligence is the computer’s best attempt to take on the characteristics of human intelligence.
What is Virtual Reality (VR)?
It is a 3-Dimensional simulation of a real or imagined environment.
What is Systems Development?
It is creating or modifying business systems.
What are the main stages of System Development?
Investigation, Analysis, Design, Implementation and Maintenance
