Master ComptiaA+ Hardware with our interactive study cards designed for effective learning. These flashcards use proven spaced repetition techniques to help you memorize key concepts, definitions, and facts. Perfect for students, professionals, and lifelong learners seeking to improve knowledge retention and ace exams through active recall practice.
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Main circuit board that connects all computer components together
Central Processing Unit - the brain of the computer that executes instructions
Random Access Memory - volatile temporary storage for active programs and data
Volatile memory loses data when power is off non-volatile retains data
Read-Only Memory - non-volatile memory containing firmware
Basic Input/Output System - firmware that initializes hardware during boot
Unified Extensible Firmware Interface - modern replacement for BIOS
Component that converts AC power to DC power for computer components
400-600 watts for basic systems 750+ watts for gaming systems
24-pin main motherboard connector and 4/8-pin CPU power connector
Magnetic storage device with spinning platters for data storage
Storage device using flash memory with no moving parts
Faster access times no moving parts more durable and quieter
SATA or NVMe (M.2)
Non-Volatile Memory Express - high-speed interface protocol for SSDs
Serial Advanced Technology Attachment - interface for connecting storage devices
SATA I (1.5 Gbps) SATA II (3 Gbps) SATA III (6 Gbps)
Peripheral Component Interconnect Express - high-speed expansion bus
x1 x4 x8 and x16
Expansion card that processes and renders graphics and video
PCIe x16 slot
Graphics processing built into the CPU or motherboard chipset
Gigabytes (GB) with speeds measured in MHz
DDR3 DDR4 and DDR5
Using pairs of RAM modules for increased bandwidth
Error-Correcting Code memory that detects and corrects data corruption
Metal component that dissipates heat away from processors
Compound applied between CPU and heat sink to improve heat transfer
Physical connection point on motherboard where CPU is installed
LGA (Intel) and PGA/AM (AMD)
Running components at higher speeds than manufacturer specifications
Set of integrated circuits that manages data flow between CPU memory and peripherals
Chipset component handling high-speed components (now often integrated into CPU)
Chipset component managing slower I/O devices
Universal Serial Bus - standard for connecting peripherals
USB 2.0 (480 Mbps) USB 3.0 (5 Gbps) USB 3.1 (10 Gbps) USB 4.0 (40 Gbps)
High-speed interface combining data video and power up to 40 Gbps
Digital display interface for connecting monitors
High-Definition Multimedia Interface for audio and video transmission
Video Graphics Array - older analog video standard (being phased out)
Digital Visual Interface - digital video connection standard
PCIe x1 x4 x8 x16 slots (older systems may have PCI)
Expansion card for processing audio input and output
Card that provides wired or wireless network connectivity
Redundant Array of Independent Disks - multiple drives working together
Striping - data spread across drives for speed but no redundancy
Mirroring - identical data on two drives for redundancy
Striping with parity - requires minimum 3 drives with fault tolerance
Combination of RAID 1 and RAID 0 - mirroring and striping
Power-On Self-Test - diagnostic testing during system startup
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