ANSWERS
Information Technology
CORRECT ANSWER The technology used in creating, maintaining, and making information
accessible.
IT Professional Roles
CORRECT ANSWER Administration and Support
System Administrator
CORRECT ANSWER Maintains all aspects of the system including hardware, software, and
programming.
Network Administrator
CORRECT ANSWER In charge of all aspects of the computer network
Database Administrator
CORRECT ANSWER Focuses on the design, development, and support of database management
systems (DBMSs).
Security Administrator
CORRECT ANSWER Installs, configures, and administers firewall security to protect systems and
proactively work to stop intrusions.
Web Administrator
CORRECT ANSWER Installs, configures, maintains, secures, and troubleshoots web severs.
Support IT Professionals
CORRECT ANSWER Help desk and training.
Information
CORRECT ANSWER Processed data.
DIKW Hierarchy
, CORRECT ANSWER Defines the transition of data to information from knowledge to wisdom. (Data
Information Knowledge Wisdom)
Data in DIKW
CORRECT ANSWER The input directly received by the user (or computer). It is generally not usable
until it has been converted into a relevant form.
Information in DIKW
CORRECT ANSWER Having been inferred from data; one or more processes have been applied to
the data to transform it into a more useful form.
Knowledge in DIKW
CORRECT ANSWER Information that has been put to use; information placed into a context.
Refined information such that the user of the knowledge is able to call forth only relevant portions of
information when needed.
Wisdom in DIKW
CORRECT ANSWER Provides a social setting to knowledge; an understanding of the "why". Can
only come by having both knowledge and experience.
Information Systems
CORRECT ANSWER A collection of data and information used to support the management of an
organization. Also refers to the technical components and human resources that enable the assembly,
storage, and processing of data and the delivery of information. This has existed for a lot longer than
computers.
Characteristics of Quality Data
CORRECT ANSWER Relevance - the data being used must apply directly to the decision being
made
Timely - data must be efficient and must be provided in a timely manner
Thorough - the data must be complete
Accurate - data should be captured only once, where possible and should be captured as close to the
point of activity as possible.
, Reliable - data should reflect stable and consistent data collection processes across collections points
and over time
IPOS
CORRECT ANSWER The Input-Procession-Output-Storage Cycle
Input
CORRECT ANSWER Raw data is entered by the user.
Processing
CORRECT ANSWER Raw data is organized or structured for usefulness.
Output
CORRECT ANSWER Information is output so user can see results.
Storage
CORRECT ANSWER Processed information is stored for permanent record.
Computer System
CORRECT ANSWER A collection of components that work together to meet the needs of the user;
typically categorized as either hardware, software, networks, or users.
Hardware
CORRECT ANSWER Physical components of a computer system which include the system unit and its
components and peripheral devices; tangible aspects of the computer.
Software
CORRECT ANSWER Computer programs that tell the computer what to do--how to execute
commands and process information
Network
CORRECT ANSWER A collection of computers and resources connected by various media so that
they can communicate with each other.
User