Chapter 1 Flashcards
How can businesses use information systems?
Businesses can use information systems to increase revenues and reduce cost.
What is an information system?
Information system is set of interrelated components or elements that:
- collect (input)
- manipulate (process)
- store
- disseminate (output) data and information
- provide a corrective reaction (feedback mechanism) to meet an objective
Who are information systems used by?
Information systems are used by:
- sales representatives
- managers
- financial advisors
What is data?
Data is raw facts
What is information?
Information is a collection of facts organized in such a way that they have value beyond the facts themselves
What is a process?
A process is set of logically related task
What is knowledge?
Knowledge is awareness and understanding of a set of information.
What is the process of transforming data?
Data…..the transforming process….information
What are the types of data and explain each
Types of data are:
What are the characteristics of valuable information and explain each
What is a system?
A system is a set of elements or components that interact to accomplish goals
What are components of a system?
Components of a system are:
What is efficiency?
Efficiency is a measure of what is produced divided by what is consumed.
=Output/input
What is effectiveness?
Effectiveness is a measure of extent to which a system attains its goals
What is system performance standard?
System performance standard is a specific objective of the system
Define the following: input, processing, output, and feeback
An information system can be…..
Manual or computerized
What is a computer based information system?
Single set of hardware, software, databases, telecommunications, people and procedures that
are configured to collect, manipulate, store, and process data into information
Define technology infrastructure
Technology infrastructure includes all hardware, software, databases, telecommunications, people and procedures configured to collect, manipulate, store and process data into information
Define the following: hardware, software, and database.
What are telecommunications, networks, and the Internet
They are electronic transmission of signals for communications
What are networks?
Networks connect computers and equipment to enable electronic communication
What is the internet?
The Internet is the world’s largest computer network, it is a public network and is powered by TCP/IP
What is the intranet?
The intranet is an internal/private network powered by TCP/ICP
