WGU C182 Introduction to IT Study Guide 2023 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 to 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 1 / 3
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 - Correct Answer Those who use a computer.Software Categories - Correct Answer Systems Software and Applications Software 2 / 3
Evolution of Users - Correct 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 - Correct Answer Rules provided by which networks communicate with each other.TCP/IP - Correct Answer Transmission Control Protocol/Internet Protocol. Most commonly used protocol; is required of all computers that communicate over the Internet.Protocol Stack - Correct Answer A collection of protocols. TCP/IP is an example.Components of a Computer - Correct Answer CPU, Memory and Storage, Peripheral Devices CPU - Correct Answer Executes programs' instructions and commands various components in the computer. Referred to as the "chip".Memory - Correct Answer Stores the programs being executed and the data they are using.I/O Subsystem - Correct Answer All peripheral devices where long term storage devices are used.Bus - Correct Answer Permits information to move between each component; electrical channels that enable communication among the electronic components System Unit - Correct 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 - Correct 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 - Correct 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 Arithmetic Logic Unit (ALU) - does the actual processing of the data; completing mathematical calculations and logical operations to process the data and converting the input of the keyboard text entry to output displayed on the screen System Clock - Correct Answer Controls the speed at which instructions are processed.
- / 3