11.
Which of the following statements is false
for random scan display systems?
(A) They can
display realistic shaded scenes
(B) They are
designed for line drawing applications
(C) Pen
plotter is an example of random scan hard-copy device
(D) In
random scan display CRT the electronic beam directed only to the part of the
screen where a picture is to be drawn.
Answer: A
12. The
geometric entities like points, lines, curves in computer graphics are called
as ...............
(A) graphic
objects
(B) basic
objects
(C) control
objects
(D) primitives
Answer: D
13. Z-buffer
or depth-buffer algorithm is used for determining ............
(A) Visible
surfaces
(B) Shading
(C) Shadows
(D) Transparency
Answer: A
14. If
the region code of a point is 1001, then the point is in the .............. region
of the window.
(A) top
right
(B) top left
(C) bottom
right
(D) bottom
left
Answer: B
15. The
method for constructive solid geometry operations is ...............
(A) ray
casting
(B) ray
tracing
(C) beam
penetration
(D) ray
sorting
Answer: A, B
16. Two
processors running, one is user process and other one is operating system
process, latter is called :
(A) Kernel
process
(B) Supervisor
process
(C) System
process
(D) Both (A)
and (B)
Answer: D
17. ..................
and ................ are recommended functions to be defined in user programme
specifications of Unix Systems.
(A) return.yyparse(
) and fprint( )
(B) main( )
and yyerror( )
(C) yywrap(
) and yyerror( )
(D) main( )
and fprint( )
Answer: B
18. Which
of the following regular expression identity is true?
(A) r (*) =
r*
(B) (r* s*)*
= (r + s)*
(C) (r + s)*
= r* + s*
(D) r* s* =
r* + s*
Answer: B
19. For
the given context free grammar G, give three strings that are in L(G).
R → X R X |
S
S → a T b | b
T a
T → X T X | X
| ϵ
X → a | b
(A) bba, ab,
ab
(B) ab, ba,
aab
(C) ba, ba,
aab
(D) ab, ab,
abb
Answer: B
20. The
coroutine is a ................. that generalize subroutines to allow multiple
entry points for suspending and resuming execution at certain locations.
(A) Computer
programme
(B) Computational
method
(C) Computer
algorithm
(D) Computer
software
Answer: A
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