On This Page

This set of Mobile Computing Multiple Choice Questions & Answers (MCQs) focuses on Mobile Computing Set 3

Q1 | In DUST , is there refresh buffer
  • yes
  • no
  • both
  • none
Q2 | The electron beam in DUST is designed to draw directly to
  • phosphor
  • storage mesh
  • glass
  • none
Q3 | The second grid in DUST is called
  • phosphor
  • storage mesh
  • collector
  • none
Q4 | To increase the energy of these slow moving electron and create a bright picture in DUST , the screen is maintained at a
  • low positive potential
  • high negative potential
  • high positive potential
  • none
Q5 | A major disadvantage of DUST in interactive computer graphics is
  • ability to selectively erase part of an image
  • inability to selectively erase part of image from screen
  • inability to produce bright picture
  • none
Q6 | Interactive graphics is useful in
  • training pilots
  • computer aided design
  • process control
  • all of these
Q7 | The origin of computer graphics was developed in
  • 1950
  • 1960
  • 1970
  • 1990
Q8 | The term business graphics came into use in late
  • 1950
  • 1960
  • 1970
  • 1990
Q9 | Computer graphics is used in many DTP software as
  • photoshop
  • paint brush
  • both a & b
  • none of these
Q10 | Any CRT based display must be refreshing at least_______ times a second
  • 20
  • 30
  • 40
  • 10
Q11 | The standardization is needed
  • to make application programs more portable
  • to increase their utility
  • to allow them to use in different application environment
  • all of these
Q12 | GKS stands for
  • graphics kernel system
  • graphics kernel stands
  • generic kernel system
  • none of these
Q13 | GKS was developed by the
  • international standards organization
  • national standard organization
  • both a & b
  • none of these
Q14 | The resolution of raster scan display is
  • low
  • high
  • medium
  • none
Q15 | Random scan systems are designed for
  • line drawing application
  • pixel drawing application
  • color drawing application
  • none of these
Q16 | Solid pattern in random scan display is ____ to fill
  • difficult
  • easy
  • not fill
  • none of these
Q17 | Raster scan is _______ expensive than random scan
  • more
  • less
  • both a & b
  • none
Q18 | Two basic technique for producing color display with a CRT are
  • shadow mask and random scan
  • beam penetration method and shadow mask method
  • random scan and raster scan
  • none of above
Q19 | In beam penetration method of color CRT, two layer of phosphor coated are
  • red and blue
  • red and green
  • blue and green
  • none of these
Q20 | In beam penetration method of color CRT, which layer is red and which is green
  • outer is red and inner is green
  • inner is red and outer is green
  • inner is red and inner is green
  • none
Q21 | A shadow mask CRT has _____ phosphor color dots at each pixel position
  • 1
  • 2
  • 3
  • none of these
Q22 | Which color is produced with the green and red dots only
  • blue
  • yellow
  • magenta
  • white
Q23 | Which colors produced with the blue and red dots
  • blue
  • yellow
  • magenta
  • white
Q24 | Cyan color is produced when the blue and green are activated
  • equally
  • unequally
  • both a & b
  • none
Q25 | Which technique of color CRT is used for production of realistic image
  • shadow mask method
  • beam penetration method
  • both a & b
  • none of these