Comptia A+

SO-DIMM

Small Outline Dual In-line Memory Module

Memory used in laptops and mobile devices

SSD

Solid-State Drive

all memory no moving parts unlike a hard drive

2.5 inch and m.2

M.2

Small version of memory

NFC

Near-Field Communication

(Think amiibo)

LCD

Liquid Crystal Display

cheap lightweight backlight lighting up crystals. (hard to get blacks because of this.

TN LCD

Twisted Nematic

Fast response times (gaming!)

poor color shifts

IPS LCD

In Plane Switching

Color is excellent ($$$)

VA LCD

Vertical Alignment LCD

compromise between IPS and TN

color okay response times okay

OLED

Organic Light Emitting Diode

CCFL

Cold Cathode Fluorescent Lamp

Higher voltage and power needed

older laptops use these

LED-backlite LCD

Newer type of backlight

Digitizer

touch inputs to put information on the computer.

USB

Universal Serial Bus

Highspeed wired communication

charging and data transfers

DB-9

Commonly used for RS-232 signals

industry standard since 1969

now use USB

PAN

Personal Area Network

think Bluetooth

DNS

Domain Name System

applies IP addresses to Domain name

(example.com → 192.888.326)

TRRS

Tip-ring-ring-sleeve connection for audio jacks 3.5 mm

Common Laptop Batteries

Lithium-Ion and Lithium-Ion Polymer

No Memory effect

802.11

a set of standards for wireless communication used in local area networks (WLANs), often referred to as Wi-Fi.

SIM

Subscriber Identity Module