Hardware components, operating system features, and troubleshooting steps tested on the CompTIA A+ exam, distinct from the core terminology deck.
45 cards · basic cards · AI-written, checked twice. Edit anything.
- What does DDR stand for in memory terminology?
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Double Data Rate- What is the typical speed difference between DDR4 and DDR5?
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DDR5 is approximately twice as fast, with speeds starting around 4800 MHz versus DDR4's 3200 MHz- What physical form factor is most common for desktop RAM?
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DIMM (Dual Inline Memory Module)- What is ECC memory used for?
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Error-correcting code memory, used in servers to detect and correct data errors- What does SSD stand for?
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Solid State Drive- Which storage interface is significantly faster: SATA or NVMe?
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NVMe is much faster, with speeds up to 7400 MB/s versus SATA's 550 MB/s maximum- What is the M.2 form factor?
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A small, single-sided circuit board form factor used primarily for NVMe SSDs on modern motherboards- What is the main disadvantage of HDDs compared to SSDs?
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HDDs have moving mechanical parts that are slower and more prone to failure from physical shock- What does TDP stand for in CPU specifications?
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Thermal Design Power, the maximum heat output in watts the CPU generates under full load- What is the difference between CPU cores and threads?
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Cores are physical processing units, while threads are logical units that allow each core to handle multiple tasks simultaneously- What do CPU socket types determine?
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The physical connector type that determines which processors can be installed on a motherboard- What is the primary function of a motherboard chipset?
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Manages communication between the CPU, RAM, and all peripheral components- What does a 24-pin ATX connector on a motherboard provide?
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Main power delivery to the motherboard- How is power supply wattage determined for a computer?
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By adding the power requirements of the CPU, GPU, storage drives, and other components, then adding 20-30 percent headroom- Name two common types of CPU coolers.
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Air coolers and liquid coolers (AIO or custom loop)
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