Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 36
Q1221:
The matrix N is an example of which type of matrix?
A. Identity matrix
B. Diagonal matrix
C. Basis transformation matrix
D. Null matrix
Correct Answer:
C
Chapter: 36
Q1222:
Which matrix is defined as the transpose of control points [P1, P2, P3, P4]?
A. N
B. U
C. P
D. G
Correct Answer:
C
Chapter: 36
Q1223:
Space curves pass through ______ specific points.
A. 2
B. 3
C. 4
D. 5
Correct Answer:
C
Chapter: 36
Q1224:
The matrix G can be obtained by multiplying matrices _______.
A. U and N
B. P and G
C. G and P
D. U and P
Correct Answer:
A
Chapter: 36
Q1225:
The four values substituted into the parametric equations are u=0, u=1/3, u=2/3, and u=______.
A. 1
B. 2
C. 3
D. 4
Correct Answer:
A
Chapter: 36
Q1226:
The constant term dx is equal to which control point?
A. x1
B. x2
C. x3
D. x4
Correct Answer:
A
Chapter: 36
Q1227:
The algebraic expression for ax involves the combination of which control points?
A. x2 and x3 only
B. x1, x2, x3, x4
C. x1 and x2 only
D. x3 and x4 only
Correct Answer:
B
Chapter: 36
Q1228:
In matrix N, the first row is
A. [0 0 0 1]
B. [1 0 0 0]
C. [0 1 0 0]
D. [0 0 1 0]
Correct Answer:
A
Chapter: 36
Q1229:
The expression of ax includes coefficients such as _______.
A. 2/9, 2/27, 2/27, 2/9
B. 1/9, 1/3, 1/5, 1/7
C. 1/4, 1/8, 1/12, 1/16
D. 1/2, 1/4, 1/6, 1/8
Correct Answer:
A
Chapter: 36
Q1230:
The curve passes through intermediate points when u=________ and u=________.
A. 0, 1
B. 1/4, 3/4
C. 1/3, 2/3
D. 1/2, 3/2
Correct Answer:
C
Chapter: 36
Q1231:
The equation for p(u) is simplified using a ______ notation.
A. scalar
B. vector
C. tensor
D. matrix
Correct Answer:
D
Chapter: 36
Q1232:
In the equation (5), powers of u appear as
A. u^2 and u^3
B. u^4 only
C. u only
D. No powers of u
Correct Answer:
A
Chapter: 36
Q1233:
If u=0, the resulting point is ______.
A. p2
B. p1
C. p3
D. p4
Correct Answer:
B
Chapter: 36
Q1234:
When u=1, the space curve reaches which control point?
A. p1
B. p2
C. p3
D. p4
Correct Answer:
D
Chapter: 37
Q1235:
What defines the tangent vector for a space curve?
A. Boundary conditions
B. First derivatives
C. Second derivatives
D. The curve itself
Correct Answer:
B
Chapter: 37
Q1236:
The tangent vector is associated with which of the following?
A. Position vector
B. Tangent line
C. Derivative of parametric functions
D. Normal vector
Correct Answer:
C
Chapter: 37
Q1237:
The cubic Hermite interpolation is used to define a curve using:
A. Two intermediate points
B. One intermediate point
C. Two endpoints and tangent vectors
D. Only endpoints
Correct Answer:
C
Chapter: 37
Q1238:
What does the matrix F represent in the context of tangent vectors?
A. Blending function matrix
B. Matrix of boundary conditions
C. Transformation matrix
D. Inverse matrix
Correct Answer:
A
Chapter: 37
Q1239:
The relationship between algebraic and geometric coefficients for a space curve is represented by:
A. UA = P
B. UA = MB
C. A = MB
D. A = UA
Correct Answer:
C
Chapter: 37
Q1240:
Which of the following is required to completely determine a space curve?
A. Boundary points only
B. Boundary points and tangents
C. Boundary points, tangents, and slope
D. Boundary points, tangents, and magnitudes of tangents
Correct Answer:
D