Top 550+ Solved Computer Graphics MCQ Questions Answer
Q. The process of reducing aliasing is called
a. resolution
b. anti aliasing
c. sampling
d. none of these
Q. Two basic technique for anti aliasing in ray tracing algorithm are
a. pixel sampling and super sampling
b. adaptive sampling and super sampling
c. pixel sampling and super sampling
d. none of these
Q. Pixel mask means
a. a string containing only 1;s
b. a string containing only 0’s
c. a string containing 1 and 0
d. a string containing 0 and 0
Q. A heavy line on a video monitor could be displayed as
a. adjacent perpendicular lines
b. adjacent parallel lines
c. both a and b
d. neither a nor b
Q. To set the line-width attribute the following command is used.
a. setlinewidthscalefactor (lw)
b. setlinewidth()
c. setlinewidthscalefacto (lw)
d. setlinewidthscalefactor (lw)
Q. The parameter to “setLineWidthScaleFactor (lw) “function specifies?
a. standard width
b. relative width of the line
c. thickness of the line
d. all the above
Q. Higher persistence phosphorus needs _________ refresh rate
a. lower
b. higher
c. medium
d. none of these
Q. Higher persistence phosphorus is used in
a. animation
b. simple object
c. higher complex object
d. all of these
Q. Phosphorus are of various types depending on
a. color
b. persistence
c. both a & b
d. none of these
Q. the best line drawing algorithm among all possible line drawing algorithm is………….
a. dda
b. algorithm which uses direct equation of line
c. bresenham\s algorithm
d. none of them
Q. if any two point Pi(xi, yi) is considered, then it lies on the line on the line segment y = mx+b if………
a. yi.mxi + b
b. min (x1, x2) <= xi <= max (x1, x2)
c. min (y1, y2) <= y <= max (y1, y2)
d. all of above
Q. if a line segment between (x1, y1) and (x2, y2) is represented in parametric form with a parameter u, then the expression for can be given as……..
a. x= x1-(x2-x1)u
b. x= x1+(x2-x1)u
c. x= x1+(x1-u)x2
d. x= x1+(u-x1)x2
Q. The problem of aliasing are
a. staircase
b. unequal brightness
c. picket fence problem
d. all of these