Quiznetik
Basics of Computer Graphics | Set 1
1. The graphics can be
A. Drawing
B. Photographs,movies
C. Simulation
D. All of these
Correct : D. All of these
2. Computer graphics was first used by
A. William fetter in 1960
B. James fetter in 1969
C. James gosling in 1991
D. John Taylor in 1980
Correct : A. William fetter in 1960
3. Graphics is one of the major key element in design of multimedia application
A. Five
B. Three
C. Four
D. Eight
Correct : A. Five
4. Types of computer graphics are
A. Vector and raster
B. Scalar and raster
C. Vector and scalar
D. None of these
Correct : A. Vector and raster
5. Which environment has been one of the most accepted tool for computer graphics in business and graphics design studios
A. Graphics
B. Macintosh
C. Quake
D. Multimedia
Correct : B. Macintosh
6. Vector graphics is composed of
A. Pixels
B. Path
C. Palette
D. None of these
Correct : B. Path
7. A palette can be defined as a finite set of colors for managing the
A. Analog images
B. Digital images
C. Both A & B
D. None of these
Correct : B. Digital images
8. Display card is used for the purpose of
A. Sending graphics data to input unit
B. Sending graphics data to output unit
C. Receiving graphics data from output unit
D. None of these
Correct : B. Sending graphics data to output unit
9. Once a file is saved in JPEG format ,some data is lost
A. Temporarily
B. Permanently
C. Both A & B
D. None of these
Correct : B. Permanently
10. The GIF format is much to be downloaded or uploaded over the www
A. Slower
B. Faster
C. Medium
D. None of these
Correct : B. Faster
11. The two-dimensional translation equation in the matrix form is
A. P’=P+T
B. P’=P-T
C. P’=P*T
D. P’=p
Correct : A. P’=P+T
12. The translation distances (dx, dy) is called as
A. Translation vector
B. Shift vector
C. Both a and b
D. Neither a nor b
Correct : C. Both a and b
13. In 2D-translation, a point (x, y) can move to the new position (x’, y’) by using the equation
A. x’=x+dx and y’=y+dx
B. x’=x+dx and y’=y+dy
C. X’=x+dy and Y’=y+dx
D. X’=x-dx and y’=y- dy
Correct : B. x’=x+dx and y’=y+dy
14. The best hidden surface removal algorithm is ?
A. Depth buffer
B. Area subdivision
C. Depends on the application
D. Painters
Correct : C. Depends on the application
15. The surfaces that is blocked or hidden from view in a 3D scene are known as
A. Hidden surface
B. Frame Buffer
C. Quad tree
D. Lost Surface
Correct : A. Hidden surface
16. The types of hidden surface removal algorithm are
A. Depth comparison, Z-buffer, back-face removal
B. Scan line algorithm, priority algorithm
C. BSP method, area subdivision method
D. All of these
Correct : D. All of these
17. The transformation in which an object can be shifted to any coordinate position in three dimensional plane are called
A. Translation
B. Scaling
C. Rotation
D. Shearing
Correct : A. Translation