July 2016 - Paper 3

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3. July 2016
4. Paper 3

16:  

In perspective projection, if a line segment joining a point which lies in front of the viewer to a point in back of the viewer is projected to a broken line of infinite extent. This is known as _______.

A.	View confusion
B.	Vanishing point
C.	Topological distortion
D.	Perspective foreshortening
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

17:  

Let us consider that the original point is (x, y) and new transformed point is (x′, y′). Further, Shx and Shy are shearing factors in x and y directions. If we perform the y-direction shear relative to x = x_ref then the transformed point is given by _______.

A.	x′ = x + Shx ⋅ (y – yref) y′ = y
B.	x′ = x y′ = y ⋅ Shx
C.	x′ = x y′ = Shy (x – xref) + y
D.	x′ = Shy ⋅ y y′ = y ⋅ (x – xref)
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

18:   Which of the following statement(s) is/are correct with reference to curve generation ?

I. Hermite curves are generated using the concepts of interpolation.

II. Bezier curves are generated using the concepts of approximation.

III. The Bezier curve lies entirely within the convex hull of its control points.

IV. The degree of Bezier curve does not depend on the number of control points.

A.	I, II and IV only
B.	II and III only
C.	I and II only
D.	I, II and III only
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

19:   Given the following statements :

(A) To implement Abstract Data Type, a programming language require a syntactic unit
to encapsulate type definition.

(B) To implement ADT, a programming language requires some primitive operations
that are built in the language processor.

(C) C++, Ada, Java 5.0, C#2005 provide support for parameterised ADT.

Which one of the following options is correct ?

A.	(A), (B) and (C) are false.
B.	(A) and (B) are true; (C) is false.
C.	(A) is true; (B) and (C) are false.
D.	(A), (B) and (C) are true.
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

20:  

Match the following types of variables with the corresponding programming languages :

 

(a) Static variables                 (i) Local variables in Pascal

 

(b) Stack dynamic                 (ii) All variables in APL

 

(c) Explicit heap dynamic      (iii) Fortran 77

 

(d) Implicit heap dynamic      (iv) All objects in JAVA

A.	(i) (iii) (iv) (ii)
B.	(iv) (i) (iii) (ii)
C.	(iii) (i) (iv) (ii)
D.	(ii) (i) (iii) (iv)
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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