CompTIA A+ Complete Study Guide

Chapter 4. Understanding Laptops and Portable Devices

THE FOLLOWING COMPTIA A+ ESSENTIALS EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

• 1.10 Install, configure and optimize laptop components and features

  • Expansion devices

    • PCMCIA cards

    • Express cards

    • Docking station

  • Communication connections

    • Bluetooth

    • Infrared

    • Cellular WAN

    • Ethernet

    • Modem

  • Power and electrical input devices

    • Auto-switching

    • Fixed input power supplies

    • Batteries

  • Input devices

    • Stylus / digitizer

    • Function keys

    • point devices (e.g. touch pad, point stick / track point)

As recently as the early 1990s, portable computers were luxuries that were affordable to only the wealthy or to the select few businesspeople ...