1.3 - CompTIA A+ Core 1

USB (Universal Serial Bus)

A standard for wired connections often used to connect mobile devices to computers or power sources.

USB-C

A newer type of USB connector that can transmit various types of signals including DisplayPort, HDMI, and Thunderbolt over a single interface.

Lightning connector

An eight-pin proprietary connector from Apple, used for charging and data transfer on iPhones and iPads.

DB-9 connector

A nine-pin serial connection commonly used for transporting RS232 signals before USB became standard.

NFC (Near Field Communication)

A technology that allows the exchange of small data between devices that are very close to each other.

Bluetooth

A popular wireless technology for connecting devices, commonly used for audio systems and wireless accessories.

Wi-Fi Hotspot

A feature that allows a mobile phone to share its internet connection wirelessly with other devices.

RS232

A standard for serial communication that has been in use for a long time, often seen in DB-9 connections.

Type A USB

A standard USB connector found primarily on computers.

Micro-B plug

A smaller version of the USB connector commonly used in mobile devices.

Touch Pen

A stylus used to provide input on touchscreen devices without physically touching the screen.

Active Stylus

A digital stylus that offers precise usability by communicating independently with the device.

Capacitive Stylus

A stylus that works on any capacitive touchscreen but lacks advanced features of an active stylus.

Drawing Pad

An external digitizer that connects to a computer, allowing use of an active stylus for precise input.

Trackpad

A touch-sensitive surface used to control the cursor on a laptop or desktop without an external mouse.

Headsets

Devices used for audio input and output, which can connect through various audio jacks or Bluetooth.

3.5mm TRRS Connection

An analog audio jack design allowing both input and output through a single connector.

Bluetooth Headset

Wireless headsets that connect to devices over Bluetooth for audio communication.

External Speakers

Battery-powered speakers that provide better sound quality than built-in device speakers.

Camera/Webcam

Devices used for multimedia communication, important for video calls and virtual meetings.

Docking Station

A stationary device that allows easy connection and disconnection of a laptop with multiple peripherals.

Port Replicator

A simpler device for connecting a laptop to multiple ports via USB, but does not support adapter cards.