Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 10
Q341:
What must be true for matrix addition?
A. Different dimensions
B. Same dimensions
C. Square matrices only
D. Only row matrices
Correct Answer:
B
Chapter: 10
Q342:
What type of matrix, when added, does not change another matrix?
A. Column matrix
B. Row matrix
C. Identity matrix
D. Zero matrix
Correct Answer:
D
Chapter: 10
Q343:
A matrix with all zero elements is called ________.
A. identity matrix
B. scalar matrix
C. square matrix
D. zero matrix
Correct Answer:
D
Chapter: 10
Q344:
In matrix addition, A + B = B + A shows that addition is ________.
A. associative
B. distributive
C. commutative
D. transitive
Correct Answer:
C
Chapter: 10
Q345:
(A + B) + C = A + (B + C) shows that matrix addition is ________.
A. commutative
B. associative
C. distributive
D. commutative and associative
Correct Answer:
B
Chapter: 10
Q346:
Multiplying each element of a matrix by a real number is called ________.
A. matrix addition
B. matrix scalar multiplication
C. matrix negation
D. matrix transpose
Correct Answer:
B
Chapter: 10
Q347:
What is the result of multiplying a matrix by -1?
A. Matrix remains same
B. Elements become negative
C. Matrix becomes zero
D. Matrix size changes
Correct Answer:
B
Chapter: 10
Q348:
The negative of a matrix A is denoted as ________.
A. A-
B. -A
C. A+
D. -1A+
Correct Answer:
B
Chapter: 10
Q349:
Matrix subtraction A - B is the same as ________.
A. A + (-B)
B. A + (B)
C. A - (-B)
D. -A + B
Correct Answer:
A
Chapter: 10
Q350:
The transpose of a matrix switches ________.
A. rows with columns
B. columns with elements
C. elements with indexes
D. rows with numbers
Correct Answer:
A
Chapter: 10
Q351:
In the transpose operation, what becomes of the first row?
A. It becomes the last column
B. It becomes the first column
C. It remains unchanged
D. It becomes the last row
Correct Answer:
B
Chapter: 10
Q352:
The notation (Aᵀ)ᵀ = A indicates what about transpose?
A. No change
B. Double transpose returns original matrix
C. Size doubles
D. Original matrix is lost
Correct Answer:
B
Chapter: 10
Q353:
The transpose of a row matrix is a ________.
A. row matrix
B. square matrix
C. column matrix
D. zero matrix
Correct Answer:
C
Chapter: 10
Q354:
The transpose of a column matrix is a ________.
A. row matrix
B. square matrix
C. column matrix
D. zero matrix
Correct Answer:
A
Chapter: 10
Q355:
What is the dimension of a matrix with 2 rows and 3 columns?
A. 3x2
B. 2x3
C. 2+3
D. 6x1
Correct Answer:
B
Chapter: 10
Q356:
A zero matrix when added to any matrix gives the ________.
A. original matrix
B. zero matrix
C. null
D. error
Correct Answer:
A
Chapter: 10
Q357:
In matrix addition, matrices must have _________ dimensions.
A. same
B. different
C. no
D. equal or different
Correct Answer:
A
Chapter: 10
Q358:
In matrix subtraction, each element of B is ________ from A.
A. added
B. subtracted
C. multiplied
D. divided
Correct Answer:
B
Chapter: 10
Q359:
The matrix formed by switching rows and columns is called the ________ of the matrix.
A. inverse
B. transpose
C. scalar
D. negative
Correct Answer:
B
Chapter: 10
Q360:
A matrix where all elements are zero is represented by ________.
A. bold O
B. bold Z
D. null
Correct Answer:
A