OUTPUT DEVICES

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OUTPUT DEVICES
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OUTPUT DEVICES

• Adaptation to New System

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TYPES OF OUTPUT DEVICES

• Video Display Terminals (Monitors)
• Printers
• Plotters
• CD-ROM's
• Computer Output Microforms (COM)
• Audio Response Units

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MONITORS

• VGA (Video Graphics Array)
• Super VGA (Super Video Graphics Array)
• XGA (Extended Graphic Array)

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MONITORS

• RESOLUTION CAPABILITIES
• CGA 320 X 200 Pixels 4 Colors
• EGA 640 X 350 Pixels 16 Colors
• VGA 640 X 480 Pixels 16 Colors
• VGA 320 X 200 Pixels 256 Colors
• SUPER VGA has 800 X 600 Pixels 256 Colors
• SUPER VGA 1024 X 768 Pixels 256 Colors
• XGA 1024 X 768 Pixels 65536 Colors

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Building a Character with Pixels
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Building a Character with PixelsProducing a
Near-Letter Quality Image

• Dot-Matrix Printing

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PRINTERS
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INK-JET COLOR PRINTERS

• Produce brilliant color images
• Resolution variations
• 360 X 360 dpi black text printing
• 720 X 720 dpi color printing
• 1440 X 720 dpi photo-realistic color images
• Produce business presentation charts in color
• Produce overhead transparencies in color

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INK-JET VERSUS LASER PRINTERS

• Ink-Jet Printers are lower in cost
• Ink-jet cost range (200s up to 1,000s)
• Laser cost range (700s up to 5,000s)
• Laser Printers are faster than Ink-Jet
• Ink-Jet Speeds range 2-6 pages per minute
• Black text averages 2-4 pages per minute
• color averages 54 seconds per page
• Laser Speeds generally double or triple Ink-Jet
  Speeds

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INK-JET VERSUS PLOTTERS

• Ink-Jet printers are faster than plotters
• Plotters often produce dull patterns and colors
• Ink-Jet printers have more type styles
• Ink-Jet droplets are smaller
• Gives text a finer resolution

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COLOR PRINTINGKodak ColorEase PS Printer
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PLOTTERS

• Flatbed

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PLOTTERS

• Drum

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PLOTTERS

• Type of applications

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PLOTTERS

• Type of applications

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PLOTTERS

• Type of applications

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PLOTTERS

• Type of applications

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DIGITAL CHARTS

• Panaboards

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CD-ROM's

• OPTICAL DISK
• Data Burned on Disk with Laser Light.
• Very High Density
• Some CD-ROM's store a gigabyte plus on a disk

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CD-ROM DISK

• Types of Output
• Software for Installation
• Legal Investigations
• Court Cases
• Search for wanted individuals (name, street, zip,
  or area code)
• Search for businesses by category and proprietor
  names
• Provide access to all the nations telephone
  directories

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COMPUTER OUTPUT MICROFORMS(COM)

• Older technology for storing large volumes of
  data indefinitely
• Requires a COM Viewer
• Corporations Archived Decades of Information

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COM VIEWER
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COM VIEWER
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COM ADVANTAGES

• Less Storage Space
• About 2 of space required for printer paper
• Faster Retrieval Time
• Faster Printing Speed
• 30,000 Frames/Hour (Equiv. To 30,000 LPM Printer

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COM ADVANTAGES

• Lower Materials Cost
• 1 Carton Printer Paper (3500 pages) 25
• 13 Microfiche (3510 Frames) 1.69
• Less Weight
• 1 Carton Paper 40 lbs
• 13 Microfiche 2 oz.
• Lower Mailing Cost

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SPEAKING COMPUTERS
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SPEAKING COMPUTERS

• TELEPHONY
• Applications are rule-based systems
• Generate speech that replicates human speech
• Some telephony software can generate speech in a
  variety of accents
• a deep Southern draaaawl
• a nasal Noo Yawk