Graded A+
Information Technology - ANSWER -The Information - ANSWER -Processed
technology used in creating, maintaining, and data.
making information accessible.
DIKW Hierarchy - ANSWER -Defines the
IT Professional Roles - ANSWER - transition of data to information to knowledge
Administration and Support to wisdom. (Data Information Knowledge
Wisdom)
System Administrator - ANSWER -
Maintains all aspects of the system including Data in DIKW - ANSWER -The input
hardware, software, and programming. directly received by the user (or computer). It
is generally not usable until it has been
converted into a relevant form.
Network Administrator - ANSWER -In
charge of all aspects of the computer
network Information in DIKW - ANSWER -Having
been inferred from data; one or more
processes have been applied to the data to
Database Administrator - ANSWER - transform it into a more useful form.
Focuses on the design, development, and
support of database management systems
(DBMSs). Knowledge in DIKW - ANSWER -
Information that has been put to use;
information placed into a context. Refined
Security Administrator - ANSWER - information such that the user of the
Installs, configures, and administers firewall knowledge is able to call forth only relevant
security to protect systems and proactively portions of information when needed.
work to stop intrusions.
Wisdom in DIKW - ANSWER -Provides a
Web Administrator - ANSWER -Installs, social setting to knowledge; an understanding
configures, maintains, secures, and of the "why". Can only come by having both
troubleshoots web severs. knowledge and experience.
Support IT Professionals - ANSWER - Information Systems - ANSWER -A
Help desk and training. collection of data and information used to
support the management of an organization.
Also refers to the technical components and
,WGU C182 Introduction to IT Test Questions and Answers
Graded A+
human resources that enable the assembly,
storage, and processing of data and the Storage - ANSWER -Processed
delivery of information. This has existed for a information is stored for permanent record.
lot longer than computers.
Computer System - ANSWER -A
Characteristics of Quality Data - collection of components that work together
ANSWER -Relevance - the data being to meet the needs of the user; typically
used must apply directly to the decision categorized as either hardware, software,
being made networks, or users.
Timely - data must be efficient and must be
provided in a timely manner Hardware - ANSWER -Physical
components of a computer system which
Thorough - the data must be complete include the system unit and its components
and peripheral devices; tangible aspects of
Accurate - data should be captured only the computer.
once, where possible and should be
captured as close to the point of activity as
possible. Software - ANSWER -Computer
programs that tell the computer what to do--
Reliable - data should reflect stable and how to execute commands and process
consistent data collection processes across information
collections points and over time
Network - ANSWER -A collection of
IPOS - ANSWER -The Input-Procession- computers and resources connected by
Output-Storage Cycle various media so that they can communicate
with each other.
Input - ANSWER -Raw data is entered
by the user. User - ANSWER -Those who use a
computer.
Processing - ANSWER -Raw data is
organized or structured for usefulness. Software Categories - ANSWER -
Systems Software and Applications Software
Output - ANSWER -Information is
output so user can see results. Evolution of Users - ANSWER -First
, WGU C182 Introduction to IT Test Questions and Answers
Graded A+
users were the engineers who built and peripheral devices where long term storage
programmed computers, then employees devices are used.
who had received specialized training were
users, and now today, anyone and everyone
can be a user. Bus - ANSWER -Permits information to
move between each component; electrical
channels that enable communication among
Protocol - ANSWER -Rules provided by the electronic components
which networks communicate with each
other.
System Unit - ANSWER -Critical
component of all computer based systems;
TCP/IP - ANSWER -Transmission consists of most of the hardware the
Control Protocol/Internet Protocol. Most computer needs in order to run; comes in a
commonly used protocol; is required of all variety of shapes and sizes.
computers that communicate over the
Internet.
Internal Components of the System Unit -
ANSWER -Case, Internal Bays, Buses,
Protocol Stack - ANSWER -A collection Ports, Hard Drive, Motherboard, CPU, CPU
of protocols. TCP/IP is an example. Cooler, Memory Module (RAM), Power Supply
Unit (PSU), Expansion Slots/Cards
Components of a Computer -
ANSWER -CPU, Memory and Storage, Parts of the CPU - ANSWER -Control
Peripheral Devices Unit (CU) - retrieves the instructions and the
raw data that is input and coordinates or
controls the sending of those instructions and
CPU - ANSWER -Executes programs' data to the ALU
instructions and commands various
components in the computer. Referred to as Arithmetic Logic Unit (ALU) - does the actual
the "chip". processing of the data; completing
mathematical calculations and logical
operations to process the data and
Memory - ANSWER -Stores the converting the input of the keyboard text entry
programs being executed and the data they to output displayed on the screen
are using.
System Clock - ANSWER -Controls the
I/O Subsystem - ANSWER -All speed at which instructions are processed.