COMPUTER GRAPHICS EXAMINATION QUESTIONS AND CORRECT ANSWER WITH EXPLANATION GRADED A+ STUDY GUIDE

COMPUTER GRAPHICS EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY

1.

Computer graphics refers to:
A. Sound processing
B. Creation and manipulation of visual images using computers
C. Data encryption
D. Network communication
Answer: B
Rationale: Computer graphics deals with generating and editing images using computers.



2.

Raster graphics is made up of:
A. Lines and curves
B. Pixels
C. Vectors
D. Text only
Answer: B
Rationale: Raster images consist of pixel grids.



3.

Vector graphics is based on:
A. Pixels
B. Mathematical equations
C. Sound waves
D. Bitmaps only
Answer: B
Rationale: Vector graphics use mathematical paths and shapes.

,4.

A pixel is:
A. A sound unit
B. Smallest unit of a digital image
C. A file format
D. A program
Answer: B
Rationale: Pixels form digital images.



5.

Resolution refers to:
A. File size
B. Number of pixels in an image
C. Sound quality
D. CPU speed
Answer: B
Rationale: Higher resolution means more detail.



6.

Bitmap image is:
A. Vector image
B. Raster image made of pixels
C. Sound file
D. Code file
Answer: B
Rationale: Bitmap uses pixel grids.



7.

Aliasing in graphics is:
A. Smooth edges
B. Jagged edges in images
C. Sound distortion
D. Color blending

, Answer: B
Rationale: Stair-step effect on edges.



8.

Anti-aliasing is used to:
A. Create jagged edges
B. Smooth edges in images
C. Increase file size
D. Reduce resolution
Answer: B
Rationale: Reduces visual distortion.



9.

Frame buffer is:
A. Sound storage
B. Memory storing image data
C. CPU cache
D. Hard disk
Answer: B
Rationale: Stores pixel data for display.



10.

Rendering in graphics means:
A. Sound generation
B. Converting data into images
C. Data compression
D. Networking
Answer: B
Rationale: Producing final image output.



11.