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WGU C182 INTRODUCTION TO IT OBJECTIVE ASSESSMENT
LATEST 2024-2025 VERSION A&B COMPLETE 350 QUESTIONS
AND VERIFIED CORRECT DETAILED ANSWERS
WGU C182 Introduction to IT Parts of the CPU 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 Controls the speed at which instructions are processed.
RAM Stands for Random Access Memory.
It temporarily stores data before it is processed and sent to your screen or printer.
It is volatile (means data or information stored disappears when the computer is turned off or loses power).
You can choose the amount of RAM your computer has.Types of RAM Dynamic RAM (DRAM) - typically called main memory
Static RAM (SRAM) - cache memory and registers
BIOS ROM
BIOS stands for Basic Input Output System; ROM stands for Read Only Memory.
Typically stored in ROM chip on the motherboard. 1 / 4
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Is software not hardware, ("basic" operating system that runs when the computer is first turned on).
Runs tests of memory and the CPU and initializes hardware components so that the actual Operating System can be loaded from the hard disk.
Can't choose the amount or contents.1st Generation of Computers Vacuum tubes, relay switches, the need to program in machine language 2nd Generation of Computers Transistor components, magnetic core memory, smaller size, easier to program, disk drives and drums, called mainframe computers 3rd Generation of Computers Silicon chips (known as ICs - integrated circuits), reduced cost, called mini computers, networks introduced via dumb terminals 4th Generation of Computers Single chip processor, called microcomputer, first personal computer, rudimentary computer graphics, home use Information Technology Technology used in creating, maintaining, and making information accessible.System Administrator Maintains all aspects of the system including hardware, software, and programming.Network Administrator In charge of all aspects of the computer network Database Administrator Focuses on the design, development, and support of database management systems (DBMSs). 2 / 4
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3 Security Administrator Install and configure firewall security to protect systems and proactively work to stop intrusions.Web Administrator Installs, configures, maintains, secures, and troubleshoots web severs.Support IT Professionals Help desk and training.Information A collection of processed data from a variety of sources.DIKW Hierarchy Defines the transition of data to information to knowledge to wisdom. (Data Information Knowledge Wisdom) Data in DIKW 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 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 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 Provides a social setting to knowledge; an understanding of the "why". Can only come by having both knowledge and experience.Information Systems 3 / 4
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4 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 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 The Input-Procession-Output-Storage Cycle Input Raw data is entered by the user.Processing Raw data is organized or structured for usefulness.Output Information is output so user can see results.Storage Processed information is stored for permanent record.Computer System A collection of components that work together to meet the needs of the user; typically categorized as either hardware, software, networks, or users.
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