Explore topic-wise MCQs in Computer Graphics.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Graphics knowledge and support exam preparation. Choose a topic below to get started.

1.

FOR_A_45%_LINE,_THE_LINE_PATH_IS_________ON_THE_POLYGON_AREA.?$

A. Horizontal
B. Centered
C. Vertical
D. Any of these
Answer» E.
2.

The technique that is more accurate method for anti-aliasing lines is$

A. Filtering
B. Area-sampling
C. Super-sampling
D. None
Answer» D. None
3.

An_array_of_values_specifying_the_relative_importance_of_sub-pixel_is_referred_as_________of_sub-pixel_weights.$

A. Sub-mask
B. Mask
C. Pixel phasing
D. Pixel weighting
Answer» C. Pixel phasing
4.

What is the use of Coherence techniques along and between scan lines?

A. To simplify the calculations
B. To determine the area edges
C. To find polygon region
D. To correct interior area
Answer» C. To find polygon region
5.

Another method for determining the percentage of pixel area within a boundary is

A. Mid-print algorithm
B. Mid-point algorithm
C. Pixel intensity
D. By using inquiry functions
Answer» D. By using inquiry functions
6.

Super-sampling methods can be applied by

A. Sub-dividing the total area
B. Determining the number of sub-pixels inside the area
C. Both a and b
D. Only b
Answer» B. Determining the number of sub-pixels inside the area
7.

The procedure that increases the number of intensity levels for each pixel to total number of sub-pixels i?

A. Area-sampling
B. Anti-aliasing
C. Super-sampling procedure
D. Only c
Answer» B. Anti-aliasing
8.

If we want to use more intensity levels to anti-alias the line, then

A. We increase the number of sampling positions
B. We decrease the number of sampling positions
C. We increase the number of pixels
D. Only c
Answer» D. Only c
9.

Raster objects can also be anti-aliased by shifting the display location of pixel areas is known as

A. Super-sampling
B. Pixel shaping
C. Pixel phasing
D. Any of these
Answer» B. Pixel shaping
10.

Area-sampling is also known as

A. Pre-filtering
B. Pixel phasing
C. Post-filtering
D. Anti-aliasing
Answer» B. Pixel phasing
11.

Anti-aliasing by computing overlap areas is referred to as

A. Area-sampling
B. Super-sampling
C. Pixel phasing
D. Only b
Answer» E.
12.

The sampling of object characteristic at a high resolution and displaying the result at a lower resolution is called?

A. Super-sampling
B. Post-filtering
C. Anti-aliasing
D. a or b
Answer» B. Post-filtering
13.

Nyquist sampling frequency formula is

A. fs=2fmax
B. fs=2fmin
C. fs=fmax
D. fs=fmin
Answer» D. fs=fmin
14.

To avoid losing information from periodic objects we need

A. Sampling frequency twice
B. Nyquist sampling frequency
C. Both a or b
D. Neither a nor b
Answer» C. Both a or b