Peripheral devices

Unit objective: Install peripheral devices

Topic A

Topic A: Display devices Topic B: Other peripheral devices

CRT

Cathode ray terminals– RGB devices

Components Screen size Aspect ratio Resolution Refresh rate Color depth

Flat-panel displays

LCD Comparison to CRTs Technology Characteristics

– Screen size– Viewing angle– Response rate– Contrast ratio– Native resolutions– Brightness– Other features

Other display types

Plasma OLED Projectors

LCD installation

Connectors and cables– VGA, DVI, HDMI

Multiple displays Windows configuration

Topic B

Topic A: Display devices Topic B: Other peripheral devices

Keyboard port and connector

Port – Round– 6-pin mini-DIN– ¼" diameter– Purple– Keyboard icon

Connector– Male 6-pin mini-DIN– Keyboard icon

molded in plastic– Purple– Keyed

AT keyboard port and connector

Mouse port and connector

Port– Identical in form to

keyboard– Green– Mouse icon

Connector– Male 6-pin mini-DIN– Green– Mouse icon molded

in plastic– Keyed

Bar code reader with Y-cable

KVM switch

Keyboard, video, mouse Connect multiple computers to a

single keyboard, video display, and mouse

Switch and indicator lights

PS/2 KVM

Selector switch Indicator lights: computer is turned on

Indicator light: computer is

controlling the keyboard,

video, and mouse

Master video, keyboard, and

mouse connections

Video, keyboard, and mouse connections to individual computers

Mouse Keyboard

Video

USB KVM

Display devices

Determine connectors Multiple displays Windows installation

USB devices

Audio Communications device HID Imaging IrDA Bridge Mass storage Monitor Printer Video

Speakers and microphones

Sound card connections– Speaker or line-out port– Mic or pink port

Digital cameras

Connections– USB– FireWire

Docking stations

Webcam example

Headsets, microphones, and speakers

Integrated microphone Can use computer’s speakers Headset for better call quality

Connection software

Need to connect to a service provider such as Skype or Vonage

Often at no charge Use installation & configuration

instructions on provider’s Web site

Printers

Installing and configuring an inkjet printer

Installing and configuring a laser printer

Drivers and configuration Upgrading the device driver

Unit summary

Installed peripheral devices