Hardware for A+

Displays

This A+ topic covers technician-level recognition and practical support logic for common display hardware: flat-panel panel types, resolution and aspect-ratio behavior, basic visual-performance factors (refresh rate, response time, brightness, contrast), and simple proj...

Cables, Connectors, and Adapters

This A+ topic covers technician-level recognition of common cables, connectors, and simple adapter logic for CompTIA A+ Core 1.

RAM

This A+ topic covers support-level knowledge for system RAM (short-term working memory) relevant to CompTIA A+ Core 1: what RAM does, how volatility differs from storage, common physical module form factors (DIMM, SODIMM), common DDR generations (DDR3, DDR4, DDR5), prac...

Storage Devices and RAID

This A+ topic covers technician-level recognition and selection of common storage devices, storage form factors and interfaces, removable/portable media, and the basic RAID levels used in typical installation and upgrade scenarios.

Motherboards, CPUs, and Expansion Cards

This A+ topic covers technician-level recognition and support decisions for motherboards, processors, firmware settings, and common add-on cards.

Power and Cooling

Scope and topic boundaries

Printers and Multifunction Devices

This A+ topic provides A+ Core 1 level, technician-focused coverage for deploying printers and multifunction devices (MFDs), choosing drivers and connectivity, configuring shared printing and core settings, recognizing simple MFD scan/security features, and matching rou...