output. describe the four categories of output list the two monitor types explain how monitors...
TRANSCRIPT
Output
Describe the four categories of output
List the two monitor types Explain how monitors are connected
to computers Explain the different digital TV
formats List the different types of printers Explain why printer media must be
used on the correct printers.
List other types of output devices. List output options for physically
challenged individuals.
Output is data that has been processed into a useful form, called information
video
audio
textgraphics
An output device is any component that can convey information to the user.
CRT Monitor Flat Panel
The standard connection for a CRT or Flat Panel monitor is a 15 pin connector.
It is connected into the 15 pin video port on the PC.
An expansion card added to a PC to improve the video output.
15 pin monitor port
S-video port
DVI port
There are three digital TV formats 480p digital format that has a resolution of 480 X
720 lines of resolution, same as standard TV 720p is a HDTV signal with 720 X 1280 lines of
resolution. Most broadcaster use this resolution 1080p is termed complete HDTV with 1080 X
1920 lines of resolution, used in Blue Ray and X-Box systems.
Aspect ration refers to the width and height of the picture created.
Standard TV has an aspect ration of 4:3
HDTV has an aspect ration of 16:9
Printers are device that produces text and graphics on printer media.
Result is hard copy, or printout
Impact printer that produces printed images when tiny wire pins strike ribbon
Known as dot-matrix
A printer forms characters and graphics without striking paper
Two major types◦ Inkjets◦ Laser printers
Sprays tiny drops of liquid ink onto paper This is a cold process
Uses toner to create the image This is a hot process
Specific types of media for specific types of printers
Plane paper Coated paper Photographic paper Transparencies Misc
Generates images by pushing electrically heated pins against heat-sensitive paper
One specific type of thermal printer is the label printer
Uses heat to transfer dye to specially coated paper
Used to create high quality photographs
Sophisticated printer used to produce high-quality drawings
Large-format creates photo-realistic-qualitycolor prints
Device that transmits and receives documents over telephone lines
Provides functionality of printer, scanner, copy machine, and fax machine
Device that takes image from computer screen and projects it onto larger screen
Magnifier programs for the desktop Windows settings to increase readability Voice and brail output