Mobile Computing Set 3
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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