11. The
relation schemas R1 and R2 form a Lossless join
decomposition of R if and only if:
(a) R1⋂R2→(R1-R2)
(b) R1→R2
(c) R1⋂R2→(R2-R1)
(d) R2→R1⋂R2
(A) (a) and (b) happens (B) (a) and (d) happens
(C) (a) and (c) happens (D) (b) and (c) happens
Answer: C
12. In
the indexed scheme of blocks to a file, the maximum possible size of the file
depends on:
(A) The number of blocks used for index, and
the size of index
(B) Size of Blocks and size of Address
(C) Size of Index
(D) Size of Block
Answer: A
13. Give
the number of principal vanishing point(s) along with their direction for the
standard perspective transformation:
(A) Only one in the direction K
(B) Two in the directions I and J
(C) Three in the directions I, J and K
(D) Only two in the directions J and K
Answer: A
14. Consider
a triangle A(0, 0), B(1, 1), C(5, 2). The triangle has to be rotated by an
angle of 450 about the point P(-1, -1). What shall be the
coordinates of the new triangle?
(A) A'=(1, √2-1), B'=(-1, 2√2-1), C'=(3√2-1,
(9/2)√2-1)
(B) A'=(1, √2-1), B'=(2√2-1, -1), C'=(3√2-1,
(9/2)√2-1)
(C) A'=(-1, √2-1), B'=(-1, 2√2-1), C'=(3√2-1,
(9/2)√2-1)
(D) A'=(√2-1, -1), B'=(-1, 2√2-1), C'=(3√2-1,
(9/2)√2-1)
Answer: C
15. The
process of dividing an analog signal into a string of discrete outputs, each of
constant amplitude, is called:
(A) Strobing (B)
Amplification
(C) Conditioning (D) Quantization
Answer: D
16. Which
of the following is not a basic primitive of the Graphics Kernel System(GKS) ?
(A) POLYLINE (B)
POLYDRAW
(C) FILL AREA (D)
POLYMARKER
Answer: B
17. Which
of the following statements is/are incorrect ?
(a) Mapping the co-ordinates of the points
and lines that form the picture into the appropriate co-ordinates on the device
or workstation is known as viewing transformation.
(b) The right handed cartesian co-ordinates
system in whose coordinates we describe the picture is known as world
coordinate system.
(c) The co-ordinate system that corresponds
to the device or workstation where the image is to be displayed is known as
physical device co-ordinate system.
(d) Left-handed co-ordinate system in which
the display area of the virtual display device corresponds to the unit(|x|)
square whose lower left handed corner is at origin of the co-ordinate system,
is known as normalized device co-ordinate system.
(A) (a) only (B)
(a) and (b)
(C) (c) only (D)
(d) only
Answer: D
18. Match
the following
List-I List-II
(a) Flood Gun (i) An electron gun designed to
flood the entire screen with electrons.
(b) Collector (ii) Partly energised by flooding
gun, stores the charge generated by the writing gun
(c) Ground (iii) Used to discharge
the collector
(d) Phosphorus grains (iv) Used
in memory-tube display and similar to those used in standard CRT
(e) Writing Gun System (v) Used in memory-tube display and basically the same as
the electron gun used in a conventional CRT.
Codes:
(a)
(b)
(c) (d) (e)
(A) (i) (ii) (iii)
(iv) (v)
(B) (ii) (iii) (i) (iv)
(v)
(C) (iii) (i) (ii)
(v) (iv)
(D) (iv) (v) (i)
(ii) (iii)
Answer: A
19. Minimal
deterministic finite automaton for the language L={ 0n | n≥0, n≠4 }
will have:
(A) 1 final state among 5 states
(B) 4 final states among 5 states
(C) 1 final state among 6 states
(D) 5 final states among 6 states
Answer: D
20. The
regular expression corresponding to the language L where
L={x∈{0,1}*
| x ends with 1 and does not contain substring 00 } is:
(A) (1 + 01)* (10 + 01) (B) (1 + 01)* 01
(C) (1 + 01)* (1 + 01) (D) (10 + 01)* 01
Answer: C
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