Information Technology Flashcards
Data Mining
An analysis of data using tools which look for trends or anomalies without advance knowledge of the meaning of the data
Programmer Responsibilities
(1) Use design developed by analysts to develop an information system
(2) Write computer programs
Computer Operator Responsibilities
(1) Data is properly entered into computer
(2) Data is produced correctly
(3) Needed output is produced
Information Systems Librarians
Maintain company databases, files, and programs in a separate and secure storage are
When Do Librarians Allow Changes Into a Program
Once the change has been tested in the test environment by someone other than the programmer
Optical Character Recognition Software
Converts images of paper documents as read by a scanning device into text document computer files
Logical Access Controls
Prevent systems from infiltration electronically
Stages of Data Processing Cycle
(1) Data input
(2) Data processing
(3) Data storage
(4) Information output
Data Processing Cycle
Describes the operations performed on data in computer-based systems to generate meaningful and relevant data
Soft Copy
Displayed on a monitor
Forms of Information Output
(1) Documents
(2) Reports
(3) Queries
Queries
Requests for a specific piece of information
Responsibilities of Network Managers
(1) Make sure organizations networks operate continuously and properly
(2) Make sure all applicable devices are linked to the organizations internal and external networks
Master File
Permanent document used as an ongoing reference tool
Integrated Test Facility
Develops and integrates test data into the live processing of actual data resulting from business transactions