Peripheral devices
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Transcript of Peripheral devices
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