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Introduction to Personal Computer Hardware

Chapter Description

This sample chapter from IT Essentials Companion Guide v8 covers fundamental aspects of computer hardware, including components, safety procedures, and motherboard functionalities. You will also learn the features and functions of tools in a technician's toolkit and get a detailed guide on disassembling a computer. By the end of the chapter, you'll have a solid understanding of essential computer components and procedures.

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IT Essentials Companion Guide v8

IT Essentials Companion Guide v8

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Key Terms

This chapter uses the following key terms. You can find the definitions in the glossary at the end of the book.

Accelerated Graphics Port (AGP)

adapter

adapter card

Advanced Technology (AT)

alternating current (AC)

AT Extended (ATX)

ATX12V

audio port

augmented reality (AR)

barcode scanner

basic input/output system (BIOS) chip

cache memory

capture card

central processing unit (CPU)

chipset

converter

digital camera

digital light processing (DLP)

Digital Visual Interface (DVI)

DisplayPort

Double Data Rate Synchronous Dynamic RAM (DDR SDRAM)

Double Data Rate 2 Synchronous Dynamic RAM (DDR2 SDRAM)

Double Data Rate 3 Synchronous Dynamic RAM (DDR3 SDRAM)

Double Data Rate 4 Synchronous Dynamic RAM (DDR4 SDRAM)

Double Data Rate 5 Synchronous Dynamic RAM (DDR5 SDRAM)

dual channel

dual inline memory module (DIMM)

dual inline package (DIP)

dual rail

dynamic RAM (DRAM)

electrically erasable programmable read-only memory (EEPROM)

electrostatic discharge (ESD)

EPS12V

erasable programmable read-only memory (EPROM)

error-correcting code (ECC) memory

eSATA card

expansion slot

facial recognition scanner

fingerprint scanner

flash memory

form factor

game port

GDDR Synchronous Dynamic RAM

hard disk drive (HDD)

hardware

High-Definition Multimedia Interface (HDMI)

input device

input/output (I/O) port

Integrated Drive Electronics (IDE)

KVM switch

L1 cache

L2 cache

L3 cache

land grid array (LGA)

light-emitting diode (LED)

liquid crystal display (LCD)

magnetic stripe reader

memory module

Micro-ATX

mini PCI

motherboard, system board, or main board

mSATA or M.2 module

multi rail

network interface card (NIC)

network port

NFC devices and terminals

nonparity memory

nonvolatile memory

Non-Volatile Memory Express (NVMe)

Northbridge

optical media

optical storage device

organic LED (OLED)

output device

parity memory

PCI Express (PCIe)

PCI-Extended (PCI-X)

Peripheral Component Interconnect (PCI)

pin grid array (PGA)

pixel

power supply

printed circuit board (PCB)

printer

programmable read-only memory (PROM)

PS/2 port

Radio Corporation of America (RCA)

rail

random access memory (RAM)

read-only memory (ROM)

riser card

Serial AT Attachment (SATA)

signature pad

single channel

single inline memory module (SIMM)

single rail

small outline DIMM (SODIMM)

smart card reader

software

solid-state drive (SSD)

solid-state hybrid drive (SSHD)

sound adapter

Southbridge

static RAM (SRAM)

stylus

Synchronous Dynamic RAM

tape drive

Thunderbolt

triple channel

TV tuner card

Unified Extensible Firmware Interface (UEFI) chip

Universal Serial Bus (USB)

Universal Serial Bus (USB) controller card

video adapter

Video Graphics Array (VGA)

video port

virtual reality (VR)

virtual reality headset

volatile memory

webcam

wireless NIC

zero insertion force (ZIF)

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