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WGU C182 Introduction to IT QUESTIONS AND ANSWERS 100% CORRECT
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WGU C182 Introduction to IT
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WGU C182 Introduction to ITInformation Technology -answer The technology used in creating, maintaining, and
making information accessible.
IT Professional Roles -answer Administration and Support
System Administrator -answer Maintains all aspects of the system including hardware,
software, and programming.
Network Administrator -answer In charge of all aspects of the computer network
Database Administrator -answer Focuses on the design, development, and support of
database management systems (DBMSs).
Security Administrator -answer Installs, configures, and administers firewall security to
protect systems and proactively work to stop intrusions.
Web Administrator -answer Installs, configures, maintains, secures, and troubleshoots
web severs.
Support IT Professionals -answer Help desk and training.
Information -answer Processed data.
DIKW Hierarchy -answer Defines the transition of data to information to knowledge to
wisdom. (Data Information Knowledge Wisdom)
Data in DIKW -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 -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 -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 -answer Provides a social setting to knowledge; an understanding of
the "why". Can only come by having both knowledge and experience.
Information Systems -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 -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 -answer The Input-Procession-Output-Storage Cycle
Input -answer Raw data is entered by the user.
Processing -answer Raw data is organized or structured for usefulness.
Output -answer Information is output so user can see results.
Storage -answer Processed information is stored for permanent record.
Computer System -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 -answer Physical components of a computer system which include the
system unit and its components and peripheral devices; tangible aspects of the
computer.
Software -answer Computer programs that tell the computer what to do--how to execute
commands and process information
, Network -answer A collection of computers and resources connected by various media
so that they can communicate with each other.
User -answer Those who use a computer.
Software Categories -answer Systems Software and Applications Software
Evolution of Users -answer First users were the engineers who built and programmed
computers, then employees who had received specialized training were users, and now
today, anyone and everyone can be a user.
Protocol -answer Rules provided by which networks communicate with each other.
TCP/IP -answer Transmission Control Protocol/Internet Protocol. Most commonly used
protocol; is required of all computers that communicate over the Internet.
Protocol Stack -answer A collection of protocols. TCP/IP is an example.
Components of a Computer -answer CPU, Memory and Storage, Peripheral Devices
CPU -answer Executes programs' instructions and commands various components in
the computer. Referred to as the "chip".
Memory -answer Stores the programs being executed and the data they are using.
I/O Subsystem -answer All peripheral devices where long term storage devices are
used.
Bus -answer Permits information to move between each component; electrical channels
that enable communication among the electronic components
System Unit -answer Critical component of all computer based systems; consists of
most of the hardware the computer needs in order to run; comes in a variety of shapes
and sizes.
Internal Components of the System Unit -answer Case, Internal Bays, Buses, Ports,
Hard Drive, Motherboard, CPU, CPU Cooler, Memory Module (RAM), Power Supply
Unit (PSU), Expansion Slots/Cards
Parts of the CPU -answer Control Unit (CU) - retrieves the instructions and the raw data
that is input and coordinates or controls the sending of those instructions and data to
the ALU
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