CompTIA Tech+ (FC0-U71) glossary
Terms selected for CompTIA Tech+ (FC0-U71) based on common objective language and practice focus.
GUI
Graphical user interface enabling interaction via windows, icons, and menus.
Read full term ->Operating System
Core software managing hardware resources and providing services to applications.
Read full term ->Password Manager
Tool that securely stores and generates complex credentials.
Read full term ->Browser Cache
Locally stored web content used to speed up page loading.
Read full term ->Hypervisor
Software layer that creates and manages virtual machines.
Read full term ->Bar Chart
Visualization that compares categorical values using rectangular bars.
Read full term ->Categorical Data
Data represented by labels or categories rather than numeric magnitude.
Read full term ->Foreign Key
Field linking records across related tables.
Read full term ->Histogram
Chart showing frequency distribution of numeric values by bins.
Read full term ->JSON
Lightweight structured data format commonly used in APIs and data exchange.
Read full term ->Pie Chart
Circular chart representing category proportions as slices.
Read full term ->Primary Key
Unique identifier field for records in a relational table.
Read full term ->Scatter Plot
Chart showing relationship between two numeric variables.
Read full term ->Schema
Defined structure and organization of data fields and relationships.
Read full term ->SQL Query
Structured request for reading or manipulating relational data.
Read full term ->XML
Markup-based structured data format used in integration workflows.
Read full term ->Algorithm
Step-by-step procedure for solving a computational problem.
Read full term ->Application Software
Programs designed for end-user tasks such as writing, browsing, or communication.
Read full term ->Assembly Language
Low-level programming language closely mapped to processor instructions.
Read full term ->Boolean Logic
Logical system using true/false values and operators such as AND, OR, NOT.
Read full term ->Binary
Base-2 number system using digits 0 and 1.
Read full term ->Cloud Computing
Delivery of computing services over network-based infrastructure.
Read full term ->Compiler
Tool that translates source code into machine-readable executable form.
Read full term ->CPU Core
Independent processing unit within a CPU capable of executing instructions.
Read full term ->Data Type
Classification defining what kind of value a variable can store.
Read full term ->Decimal
Base-10 number system using digits 0 through 9.
Read full term ->Flowchart
Diagram that visualizes process or algorithm steps and decision points.
Read full term ->Hexadecimal
Base-16 number system using digits 0-9 and letters A-F.
Read full term ->Interpreter
Runtime engine that executes source code line by line.
Read full term ->IoT
Internet of Things, network-connected physical devices that collect and exchange data.
Read full term ->LAN
Local Area Network connecting devices within a limited geographic area.
Read full term ->Logical Operator
Operator used to combine or invert boolean expressions in code.
Read full term ->Machine Learning
AI approach where models learn patterns from data for predictions or decisions.
Read full term ->Markup Language
Language that annotates content structure rather than performing computations.
Read full term ->Octal
Base-8 number system using digits 0 through 7.
Read full term ->Pseudocode
Human-readable algorithm outline used for planning logic before coding.
Read full term ->Variable
Named storage location that holds data values in a program.
Read full term ->Memory (RAM)
Temporary working storage used by active processes and applications.
Read full term ->Router
Network device that forwards traffic between different IP networks.
Read full term ->Switch
Network device that forwards frames within a local network using MAC addresses.
Read full term ->Virtual Machine Monitor
Another term for hypervisor software controlling guest virtual machines.
Read full term ->WAN
Wide Area Network connecting systems across large geographic distances.
Read full term ->Wireless Standard
Defined specification governing wireless protocol behavior and compatibility.
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