Laser 128 - Selecting Asuitable Video; Display Device

THE VIDEO DISPLAY
5. THE VIDEO DISPLAY
The video display is one of the most important output
devices of a computer: It allows the us er to monitor the
current status of a program running on the computer
and examine the computation results visually.
Besides co nventional text display, the LASER
128/ 128EX is also capable of displaying color graphics.
Graphical presentation is often more attractive than
textual materials and is therefore easier to be captured.
On the other hand, text is still a simple and effective
way of expressing ideas. As a compromise, the computer
allows you to di sp lay both text and graphics on the
screen at the sa me time .
In mo st cases, the appropriate video display mode will
be selected by the application program you are using so
that you don't have to worry about it. This chapter
serves only as a reference for those user s interested in
writing programs for the computer.
5.1 Selecting a suitable video display device
Depending on the application, you m ay
choose one of the following as the video
display device:
• COMPOSITE MONOCHROME VIDEO
MONITOR can produce sharp im ages of
high-resolution graphics and text
display. It is suitable for use with
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