Graphics Hardware Flashcards
List the common types of display systems
Raster scan display
Random scan display
Direct view storage tube
Flat panel display
Three dimensional viewing devices
Stereoscopic and virtual rrality system
List the 5 analogue input devices
Paddle control
Mouse
Trackball
Joystick
Scanner
Name the 3 types of scanner
Drum (highend)
Flatbed (ordinary)
Sheetfled (handheld barcode readers)
List the 4 digital input devices
Event driven;Keyboard (interrupt)
Light pen (polling)
Graphics tablet and pointer
Touch sensitive screen
Differentiate polling and interrupt
Polling; device is checked periodically
Interrupt; device sends interrupt signal to the processor
Give the 2 types of graphics tablet and pointer
Voltage/elctromagnetic field tablet and pointer
Acoustic/sonic (radio-wave) tablet and pointer
What is the most common output hardware
Monitor/DPU/VDU
Give 4 popular display types
Liquid crystal display(LCD)
Plasma display
Field emission displays
Light emitting diodes ( LED)
What is a pixel
Define resolution
Give the characteristic of monitors
Characteristics of display devices
