Back to Computer Systems: CompTIA A+ Aligned

Course reference

Sources and credits

This page shows where outside material enters the course, what Robotnix changed, and what each source does not authorize. Lessons link here instead of dropping licensing notes into the middle of instruction.

Where sources enter the course

Week 1 — Technician Foundations and Hardware Orientation

CompTIA objectives define the introductory hardware/troubleshooting handoffs. The MIT A+ study repository supports planning for hardware orientation, interfaces, POST, troubleshooting methodology, and service evidence. PC Anatomy is a visualization reference only; Robotnix supplies the learner prose, service-ticket workflow, diagram, and checks.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository, PC Anatomy

Week 2 — Motherboards, CPUs, RAM, Firmware, and Compatibility

Current A+ objectives govern motherboard, CPU, memory, firmware, TPM/Secure Boot, compatibility, and related troubleshooting coverage. The open A+ repository supports technical planning, while PC Anatomy informs hardware-visualization design. Robotnix supplies the procedural 3D desktop model and all learner scenarios.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository, PC Anatomy

Week 3 — Storage and RAID

Current A+ objectives govern storage interfaces, form factors, RAID, health evidence, and storage troubleshooting. The open A+ repository is a planning reference; Robotnix supplies the storage diagrams, evidence-first scenarios, labs, and checks.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository, PC Anatomy

Week 4 — Power, Cooling, Expansion, and Displays

Current A+ objectives govern power, cooling, expansion, displays/projectors, and related troubleshooting. Open references support planning; Robotnix supplies classroom-safe PSU boundaries, original diagrams, scenarios, and assessment items.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository, PC Anatomy

Week 5 — Laptops and Mobile Devices

Current Core 1 objectives govern laptop/mobile hardware, accessories, cellular and wireless features, MDM/BYOD, synchronization, and mobile troubleshooting. The open A+ repository supports planning; Robotnix supplies the support-boundary diagram, cases, and checks.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 6 — Printers and Peripheral Systems

Current Core 1 objectives govern printer technologies, deployment, scanning, maintenance, security, and printer troubleshooting. The open A+ repository supports planning; Robotnix supplies the print/scan service-path visual, support lab, and original assessment scenarios.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 7 — Network Hardware, Media, and IP Foundations

Current Core 1 objectives govern network devices, media/connectors, addressing, and network types. The open A+ repository supports planning for device roles and cabling. Robotnix supplies the SOHO topology, deterministic DHCP/APIPA lab, and learner questions.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 8 — Network Services, Ports, Wi-Fi, and Configuration

Current Core 1 objectives govern ports/protocols, DNS/DHCP/NAT/VLAN/VPN, Wi-Fi, wireless technologies, and service roles. Robotnix converts that coverage into an original dependency-stack visual, bounded service-port simulation, and classroom scenarios.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 9 — Network Tools and Troubleshooting

Current Core 1 objectives govern networking tools and the complete network-troubleshooting symptom set. The open A+ repository supports tool/command planning; Robotnix supplies the layered troubleshooting model, wrong-gateway simulation, evidence records, and midterm preparation.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 10 — Virtualization and Cloud Computing

Current Core 1 objectives govern client virtualization and cloud concepts. The open A+ repository supports technical planning; Robotnix supplies the virtualization-boundary visual, safe container simulation, design lab, and troubleshooting scenarios.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 11 — Windows Installation, Administration, and Networking

Current Core 2 objectives govern Windows editions, installation/upgrade, administrative tools, command line, Settings, and client networking. Robotnix supplies the support-stack visual and evidence-first technician practical rather than vendor click-through training.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 12 — Cross-Platform Operating Systems and Applications

Current Core 2 objectives govern OS families, filesystems, macOS, Linux, application installation, and cloud productivity. The open A+ repository supports planning; Robotnix supplies the cross-platform support map and bounded Linux permission/service simulations.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 13 — Security Controls, Windows Security, and Device Hardening

Current Core 2 objectives govern physical/logical controls, Windows security and permissions, wireless authentication, and workstation/mobile hardening. Robotnix supplies the control-to-risk model, defensive lab, and original scenarios.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 14 — Threats, Malware Response, and Secure Client Systems

Current Core 2 objectives govern threat recognition, defensive tools, malware-removal procedure, secure SOHO/browser configuration, and data destruction. Robotnix keeps the work defensive and school-safe and supplies the response-flow visual and fictional incidents.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 15 — Software Troubleshooting Technician Practical

Current Core 2 objectives govern Windows, mobile OS/application, mobile-security, and PC-security troubleshooting symptoms. Robotnix supplies the troubleshooting matrix, supplied evidence, controlled-correction workflow, and technician practical.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 16 — Operational Procedures and Professional IT Support

Current Core 2 operational-procedure objectives govern documentation, change, backup, safety, privacy, policy, professionalism, remote support, scripting, and AI concepts. Robotnix supplies the support-operations workflow and responsible automation/AI boundaries.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 17 — Integrated Technician Scenarios

Core 1 and Core 2 are synthesized into unlabeled, Robotnix-original incidents. Objective coverage guides the scenario mix; no proprietary CompTIA exam questions are used. Students defend evidence selection, controlled change, rollback, verification, communication, and escalation.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Week 18 — Technician Service Challenge

Core 1 and Core 2 are synthesized in the Robotnix-original Harborview Community Learning Lab capstone. External sources define technical coverage boundaries; the fictional client environment, seeded faults, diagrams, service packet, and final assessment are authored for Robotnix.

Sources: CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202), CompTIA APlus Study Repository

Source records

Copyrighted exam-objective reference; not redistributed by Robotnix

CompTIA A+ V15 Exam Objectives — Core 1 (220-1201) and Core 2 (220-1202)

CompTIA, Inc.

Used for: Alignment authority for objective IDs and named coverage across the 18-week course. Robotnix uses the objectives to verify coverage and sequencing, not as learner lesson prose or an exam-question bank.
Limits: CompTIA owns its certification marks and objective documents. Robotnix is aligned to A+ but is not affiliated with, endorsed by, or an official training product of CompTIA. Proprietary CompTIA exam questions are not reproduced.

Open the original source

MIT License

CompTIA APlus Study Repository

MrJanHorak and repository contributors

Used for: Open planning and technical-reference shelf for A+ hardware, mobile, networking, virtualization/cloud, operating systems, security, troubleshooting, operational procedures, ports/protocols, RAID, command-line, and lab concepts. Robotnix rewrites instruction, examples, checks, labs, and scenarios for this course.
Limits: The repository does not override the current CompTIA objective documents. Study-guide prose is not copied directly into learner lessons. Any substantial copied or modified portion requires preservation of the MIT notice.

Open the original source

MIT License at repository level

PC Anatomy

brickshow and repository contributors

Used for: Open-source reference for browser-based computer-hardware visualization and component exploration during the hardware visual-design phase.
Limits: Repository-level licensing does not automatically establish provenance for every binary model, image, texture, or font. The current Robotnix procedural PC explorer and D2/SVG course diagrams are original; no upstream PC Anatomy binary model is imported without item-level provenance review.

Open the original source