Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 9
Q321:
The logic of the boundary-fill algorithm is ______.
A. Complex and conditional
B. Simple and recursive
C. Based on edge detection
D. Fixed and iterative
Correct Answer:
B
Chapter: 9
Q322:
If image resolution increases significantly, recursive fill methods may lead to ______.
A. Faster execution
B. Higher accuracy
C. Stack overflow
D. Better quality
Correct Answer:
C
Chapter: 9
Q323:
Before applying flood-fill, the target area must have pixels of ______.
A. Different colors
B. Same old color
C. Mixed color
D. Black color
Correct Answer:
B
Chapter: 9
Q324:
In boundary-fill algorithm, which part of the figure determines the limit of fill?
A. Fill color
B. Canvas edge
C. Boundary color
D. Pixel intensity
Correct Answer:
C
Chapter: 9
Q325:
The fillFast algorithm is ______ compared to regular flood-fill.
A. Slower
B. Less recursive
C. Faster
D. Hardware-based
Correct Answer:
C
Chapter: 9
Q326:
The method of filling area in paint software is similar to ______.
A. Boundary-fill algorithm
B. Scanline algorithm
C. Bresenham algorithm
D. Polygon clipping
Correct Answer:
A
Chapter: 9
Q327:
Flood fill is used to replace all ______ pixels of a specific color.
A. Sparse
B. Isolated
C. Connected
D. Hidden
Correct Answer:
C
Chapter: 9
Q328:
Recursive fill algorithms often require ______ memory.
A. Low
B. Static
C. Stack
D. Random
Correct Answer:
C
Chapter: 9
Q329:
A point inside the figure is selected before starting ______ algorithm.
A. Line drawing
B. Polygon fill
C. Boundary fill
D. Scanline fill
Correct Answer:
C
Chapter: 10
Q330:
What is a matrix?
A. Collection of images
B. Collection of numbers in rows and columns
C. Collection of characters
D. Collection of rows only
Correct Answer:
B
Chapter: 10
Q331:
How are the dimensions of a matrix written?
A. Columns x Rows
B. Rows x Columns
C. Columns + Rows
D. Rows + Columns
Correct Answer:
B
Chapter: 10
Q332:
In a matrix, each individual number is called a ________.
A. element
B. node
C. point
D. coordinate
Correct Answer:
A
Chapter: 10
Q333:
A 3x3 matrix has how many elements?
A. 6
B. 9
C. 12
D. 3
Correct Answer:
B
Chapter: 10
Q334:
The element located at the first row and first column is denoted as?
A. Row 1 Column 2
B. Row 2 Column 1
C. Row 1 Column 1
D. Column 1 Row 2
Correct Answer:
C
Chapter: 10
Q335:
A square matrix has __________.
A. more rows than columns
B. more columns than rows
C. equal rows and columns
D. no columns
Correct Answer:
C
Chapter: 10
Q336:
In computer graphics, square matrices are mainly used for __________.
A. storing text
B. representing transformations
C. creating webpages
D. processing sound
Correct Answer:
B
Chapter: 10
Q337:
A 4x1 matrix is called a ________.
A. row matrix
B. square matrix
C. column matrix
D. zero matrix
Correct Answer:
C
Chapter: 10
Q338:
What is another name for a column matrix?
A. column vector
B. row vector
C. transformation matrix
D. square vector
Correct Answer:
A
Chapter: 10
Q339:
A matrix named "A" with elements "aij" follows which notation?
A. aji
B. aij
C. ija
D. aii
Correct Answer:
B
Chapter: 10
Q340:
Two matrices are equal if they have the same dimensions and ________.
A. same color
B. same size
C. corresponding elements equal
D. matching labels
Correct Answer:
C