Professor Messer Comptia A+ (220-1101) Mobile Device Accessories 1.3

Port Replicator

- Similar to a docking station - Does not commonly have an expansion card option - Usually connects using USB

Docking Station

An external device that attaches to a mobile computer or device and contains a power connection and provides connections to peripheral devices.

Touch Pen

Input device that can be used with a compatible digitizer/track pad/drawing tablet for natural input, such as handwriting and sketching.

Enabling and Disabling Trackpad

Some laptops give you the ability to disable the trackpad usually with a secondary FN key function. If the trackpad isn't working that may be the problem.

Active Stylus

• A more advanced writing tool • The stylus communicates directly to the device - Pressure sensitivity, programmable buttons, etc. • Must be compatible with the tablet - e.g., Apple iPad uses an Apple Pencil

Headsets

• Hands-free audio - Earphones and microphone • Wired - Connects to TRRS connector (Tip-Ring-Ring-Sleeve) - Iphone's can use the lightning port • Wireless - Bluetooth headsets

Camera/Webcam

• Internal or external - Commonly external on desktops, internal on laptops/tablets/phones • Accessible from multimedia applications, photo utilities, and video conferencing - Real-time video communication

Speakers

• Mobile audio - Battery powered (usually rechargable) • Wireless connection - Bluetooth link • Stereo sound - Small package

Track Pad

• Replaces the mouse - Useful in tight working areas - Common on laptops • External options as well - Either battery powered or Bluetooth operated • Drag & Tap (can also use multiple fingers for right-clicking, zooming, etc.)

Drawing Pad

• Use an active stylus with an external digitizer - Very precise input