PORTS, HW, HEALTH CONCERNS

Discovering Computers 2014: Chapter 3 2

PORTS AND CONNECTIONS

Bluetooth Short range radio signals between Bluetooth enabled devices

Normal range within 33 feet

Bluetooth wireless port adapter will convert a USB port into Bluetooth.

PORTS

PORT TYPES

USB PORT UNIVERSAL SERIAL BUS PORT

-Up to 127 devices with one connector

Type of Devices: Card reader

Digital camera

External hard drive

Game console

Joystick

Modem

Mouse Optical disk drive

Printer

Scanner

Smartphone

Speakers

USB flash drive

Webcam

DISCOVERING COMPUTERS 2014: CHAPTER 36

PROTECTING HARDWARE A surge protector, also called a surge suppressor, uses electrical components to provide a stable current flow and minimize the chances of an overvoltage reaching the computer and other electronic equipment

Page 135

Figure 3-27

DOCKING STATIONS

External device that attaches to a mobile computer or device, contains a power connection and provides connections to peripheral devices

Docking stations also may include slots for memory cards, optical disc drives, and other devices. With the mobile computer or device in the docking station, users can work with a full-sized keyboard, a mouse, and other desktop peripheral devices from their traditional laptop, ultrathin laptop, or tablet.

DISCOVERING COMPUTERS 2014: CHAPTER 38

PROTECTING HARDWARE An uninterruptible power supply (UPS) is a device that contains surge protection circuits and one or more batteries that can provide power during a temporary or permanent loss of power

Page 135

Figure 3-28

Discovering Computers 2014: Chapter 3 9

HEALTH CONCERNS OF USING TECHNOLOGY A repetitive strain injury (RSI) is an injury or disorder of the muscles, nerves, tendons, ligaments, and joints

Computer vision syndrome (CVS) is a technology-related health condition that affects eyesight

Ergonomics is an applied science devoted to incorporating comfort, efficiency, and safety into the design of items in the workplace

Technology addiction occurs when the technology consumes someone’s entire social life

TO EASE EYESTRAIN

11DISCOVERING COMPUTERS 2014: CHAPTER 3

HEALTH CONCERNS OF USING TECHNOLOGY

Page 138

Figure 3-31