Sunday, May 4, 2008

Computer Graphics Question Bank (BCA Final Year)

*UNIT-1*

........3 MARKS QUESTIONS........

1. WHAT IS A REFRESH CRT? WHERE IT IS USEWD???

2. WHAT ARE THE PRIMARY COMPONENTS OF AN ELECTRON GUN IN A CRT?

3. DEFINE RESOLUTION IN CRT.

4. DEFINE REFRESH BUFFER OR FRAME BUFFER.

5. WHAT IS A BITMAP?

6. WHAT IS DVST?WHERE IT IS USED?

7. WHAT IS LCD?WHAT ARE THE USES?

8. DRAW THE ARCHITECTURE OF A SIMPLE RASTER GRAPHICS SYSTEM.

9. DEFINE RUN-LENGTH ENCODING TECHNIQUE.

10. LIST THE VARIOUS INPUT DEVICES AVAILABLE FOR DATA INPUT.

11. WHAT IS GRAPHICS SOFTWARE AND WHAT ARE ITS CLASSIFICATIONS?

12. DEFINE MODELING,LOCAL AND MASTER COORDINATES.

13. WHAT IS GKS AND PHIGS?

14. WHAT IS BRESANHAM'S ALGORITHM?

15. WHAT ARE THE PROP[ERTIES OF CIRCLES AND WHAT IS CARTESIAN

COORDINATES FOR CIRCLE?

......6 MARKS QUESTIONS........

1. EXPLAIN ANY 3 USES OF COMPUTER GRAPHICS APPLICATIONS.

2. HOW GRAPHICS IS USED IN PRESENTATIONS.

3. DRAW THE NEAT DIAGRAM OF BASIC DESIGN OF MAGNETIC DEFLECTION CRT

AND OPERATION OF AN ELECTRON GUN WITH AN ACCELERATING ANODE.

4. EXPLAIN RASTER SCAN DISPLAYS.

5. EXPLAIN RANDOM SCAN DISPLAYS.

6. EXPLAIN THE COMPONENT LINES OF AN OBJECT IN COLOR CRT MONITORS.

7. DISCUSS ABOUT DIRECT VIEW STORAGE TUBES.

8. WHAT IS A FLAT PANEL DISPLAY AND EXPLAIN THEM?

9. DRAW THE ARCHITECTURE OF SIMPLE RASTER GRAPHICS SYSTEM AND

EXPLAIN.

10. DRAW THE BASIC VIDEO-CONTROLLER REFRESH OPERATIONS.

11. EXPLAIN THE RASTER SCAN DISPLAY PROCESSOR.

12. EXPLAIN THE HARD-COPY DEVICES AVILABLE IN GRAPHICS.

13. EXPLAIN THE LINE DRAWING ALGORITHMS.

14. EXPLAIN GRAPHIC FUNCTIONS WITH A NEAT DIAGRAMS.

15. EXPLAIN THE DDA ALGORITHM.

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.........10 MARKS QUESTIONS.........

1. EXPLAIN IN DETAIL ABOUT THE USES OF COMPUTER GRAPHICS.

2. HOW VIDEO DISPLAYS DEVICES IS WORKING.EXPLAIN IN DETAIL WITH A

NEAT DIAGRAM.

3. EXPLAIN RANDOM SCAN DISPLAYS AND RASTER SCAN

DISPLAYS.DIFFERENTIATE IT.

4. EXPLAIN FLAT-PANEL DISPLAY IN DETAIL.

5. DISCUSS ABOUT RASTER SCAN DISPLAY PROCESSOR.

6. EXPLAIN RASTER SCAN SYSTEMS WITH A NEAT DIAGRAM.

7. EXPLAIN ION DETAIL ABOUT INPUT DEVICES.

8. EXPLAIN GRAPHICS SOFTWARE WITH ITS COORDINATE REPRESENTATIONS.

9. EXPLAIN GRAPHICS FUNCTIONS AND STANDARDS.

10. EXPLAIN LINE DRAWING ALGORITHMS.

11. EXPLAIN BRESANHAM'S ALGORITHMS.

12. EXPLAIN CIRCLE GENERATING ALGORITHMS.

**UNIT-2**

..............3 MARKS QUESTIONS............

1. DEFINE ATTRIBUTE PARAMETER.GIVE EXAMPLES.

2. WHAT IS ALINE WIDTH?WHAT IS THE COMMAND USED TO DRAW THE THICKNESS

OF LINES.

3. WHAT ARE THE THREE TYPES OF THICK LINES?DEFINE.

4. WHAT ARE THE ATTRIBUTE COMMANDS FOR A LINE COLOR?

5. WHAT IS COLOR TABLE?LIST THE COLOR CODES.

6. WHAT IS A MARKER SYMBOL AND WHERE IT IS USED?

7. DISCUSS ABOUT INQUIRY FUNCTIONS.

8. DEFINE TRANSLATION AND TRANSLATION VECTOR.

9. DEFINE CONCATENATION.

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..............6 MARKS QUESTIONS............

1. EXPLAIN IN DETAIL ABOUT LINE ATTRIBUTES WITH NEAT DIAGRAM.

2. EXPLAIN MITTER JOIN,ROUND JOIN AND BEVEL JOIN WITH A NEAT DIAGRAM.

3. EXPLAIN SOFT FILL PROCEDURES.

4. EXPLIAN TEST ATTRIBUTES WITH A FUNCTIONS.

5. BRIEF DISCUSSION ABOUT BASIC TRANSFORMATIONS.

6. EXPLAIN MATRIX REPRESENTATIONS.

7. DISCUSS ABOUT COMPOSITE TRANSFORMATIONS.

8. DERIVE GENERAL RIGID BODY TRANSFORMATION MATRIX.

9. EXPLAIN THE THREE PRIMARY COLOR USED IN GRAPHICS AND EXPLAIN HOW

OTHER COLORS ARE ACHIEVED?

10. EXPLAIN IN DETAIL ABOUT COLOR AND GREY SCALE LEVELS?

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..............10 MARKS QUESTIONS............

1. EXPLAIN COLOR AND GREY SCALE LEVELS.

2. EXPLAIN THE AREA FILL ATTRIBUTES AND CHARACTER ATTRIBUTES.

3. EXPLAIN CHARACTER ATTRIBUTES IN DETAIL.

4. EXPLAIN ABOUT THE OTHER TRANFORMATIONS,REFLECTION AND SHEAR.

5. EXPLAIN TRANSLATION,ROTATION AND SCAL;ING.

6. EXPLAIN THE OTHER TRANSFORMATION SPECIFIED IN GRAPHICS.

7. EXPLAIN THE FOLLOWING TRANSFORMATION WITH THE MATRIX

REPRESENTATIONS.

GIVE SUITABLE DIAGRAM FOR ILLUSTRATION,

i TRANSLATION.

ii SCALING.

iii ROTATION.

8. OBTAIN TRANSFORMATION MATRIX FOR TWO DIMENSIONAL SCALING?

9. WHAT IS A COMPOSITE TRANSFORMATION?EXPLAIN WITH EXAMPLE?

10. HOW THE ROTATION OF AN OBJECT ABOUT THE PIVOT POINT IS PERFORMED?

**UNIT3**

..............3 MARKS QUESTIONS............

1. DEFINE WINDOW AND VIEW PORT.

2. DEFINE VIEWING TRANSFORMATION.

3. GIVE THA EQUATION FOR WINDOW TO VIEWPORT TRANSFORMATION.

4. DEFINE VIEW UP VECTOR.

5. WHAT IS MEANT BY CLIPPING?WHERE IT HAPPENS?

6. WHAT IS POINT CLIPPING AND WHAT ARE ITS INEQUALITIES?

7. WHAT IS LINE CLIPPING AND WHAT ARE THEIR PARAMETRIC

REPRESENTATIONS?

8. EXPLAIN ABOUT LOCATOR DEVICES.

9 EXPLAIN ABOUT STROKE AND STRING DEVICES.

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..............6 MARKS QUESTIONS............

1. EXPLAIN THE TWOP-DIMENSIONAL VIEWING TRANSFORMATION PIPELINE.

2. EXPLAIN VIEWING COORDINATE REFERENCE FRAME.

3. WHAT IS CLIPPING AND WHAT ARE ITS OPERATIONS.

4. DESCRIBE HOW POLYGON IS PERFORMED WITH A NEAT DIAGRAM.

5. EXPLAIN LINE CLIPPING IN DETAIL.

6. EXPLAIN CURVE CLIPPING.

7. EXPLIAN TEXT CLIPPING.

8. EXPLAIN EXTERIOR CLIPPING.

9. GIVE THE ALGORITHM FOR COHEN SUTHERLAND LINE CLIPPING.

10. BRIEFLY EXPLAIN THE NICHOLEE-LINE CLIPPING.

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..............10 MARKS QUESTIONS............

1. HOW WINDOW-TO-VIEWPORT COORDINATE TRANSFORMATION HAPPENS.

2. EXPLAIN CLIPPING WITH ITS OPERATION IN DETAIL.

3. EXPLAIN COHEN-SUTHERLAND LINE CLIPPING.

4. DISCUSS THE LOGICAL CLASSIFICATIONS OF INPUT DEVICES.

5. EXPLAIN THE DETAILS OF 2D VIEWING TRANSFORMATION PIPELINE.

6. EXPLAIN POINT,LINE,CURVE,TEXT,EXTERIOR CLIPPING?

7. EXPLAIN CHOICE AND PICK DEVICES.

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**UNIT - 4**

..............3 MARKS QUESTIONS............

1. WHAT DO U MEAN BY THREE-DIMENSIONAL DISPLAY METHODS?

2. WHAT DO U UNDERSTAND ABOUT PARALLEL PROJECTION?

3. BRIEF ABOUT DEPTH CUEING.

4. HOW DO U IDENTIFY THE SURFACE?

5. DESCRIBE SCALE VECTOR.

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..............6 MARKS QUESTIONS............

1. DIFFERENTIATE PARALLEL AND PERSPECTIVE PROJECTION.

2. EXPLAIN THE PIPELINE FOR TRANSFORMING A VIEW OF A WORLD-COORDINATE

SCENE TO DEVICE COORDINATES.

3. DISCUSS THE THREE-DIMENSIONAL COMPOSITE TRANSFORMATION.

4. WHAT ARE THE FUNCTIONS AVAILABLE FOR 3-D TRANSFORMATION FUNCTIONS.

5. EXPLAIN IN DETAIL ABOUT THE SCALE VECTOR.

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..............10 MARKS QUESTIONS............

1. DISCUSS ABOUT COMPOSITE TRANSFORMATIONS.

2. WHAT ARE THE FUNCTION AVILABLE FOR THREE DIMENSIOANAL

TRANSFORMATIONS?

3. EXPLAIN THE 3-D TRANSFORMATION FOR TRANSLATION,ROTATION,SCALING?

4. DESCRIBE THA 3-D CONCEPTS?

5. WRITE THE MATRIX REPRESENTATION FOR 3-D TRANSFORMATION?

6. DESCRIBE THE DIFFERENT TYPES OF ROTATION POSITION IN 3-D?

7. EXPLAIN THE 3-D OTHER TRANSFORMATION?

**UNIT-5**

..............3 MARKS QUESTIONS............

1. WHAT IS VIEWING OPERATION?

2. WHAT IS MEANT BY PROJECTION?

3. WHAT IS VIEW REFERENCE COORDINATE SYSTEMS?

4. WHAT IS PROJECTED REFERENCE POINT?

5. WHAT IS CENTER OF PROJECTION?WHAT IS THE OTHER NAME OF IT?

6. WHERE DO WE USE FRONT PLANE AND BACK PLANE?

7. WHAT IS THE NECESSARY OF USING NEAR PLANE AND FAR PLANE?

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..............6 MARKS QUESTIONS............

1. WHAT ARE THE VIEWING OPERATIONS? HOW THE OPERATION IS IMPLIMENTED?

2. WHAT ARE ALL THE TWO TYPES OF PROJECTIONS?EXPLAIN IN DETAIL?

3. HOW ARE HIDDEN SURFACES REMOVED IN COMPUTER GRAPHICS?

4. EXPLAIN IN DETAIL ABOUT PARALLEL PROJECTION.

5. BRIEF ABOUT ORTHOGRAPHIC PROJECTIONS. WHAT ARE ITS APPLICATIONS?

6. EXPLAIN ISOMETRIC PROJECTION FOR A CUBE.

7. EXPLAIN PERSPECTIVE PROJECTION.

8. HOW TRANSFORMATION HAPPENS FROM WORLD TO VIEWING COORDINATES.

9. DRAW THE ARCHITECTURE OFOR PARALLEL AND PERSPECTIVE PROJECTION.

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..............10 MARKS QUESTIONS............

1. COMPARE THE PARALLEL AND PERSPECTIVE PROJECTIONS?

2. WHAT IS A 3-D PROJECTION? EXPLAIN WITH A NEAT DIAGRAM?

3. FOR A CUBE SHOW THE 1 POINT AND 2 POINT PERSPECTIVE PROJECTION?

4. WHAT IS MEANT BY BACK FACE REMOVAL?EXPLAIN.

5. EXPLAIN THE DEPTH BUFFER METHOD?

6. WRITE SHORT NOTES ON GENERAL PARALLEL PROJECTION TRANSFORMATION

AND PERSPECTIVE PROJECTION TRANSFORMATION?

7. WRITE SHORT NA=OTE ON HIDDEN LINES ELIMINATION?

8. EXPLAIN IN DETAIL ABOUT VIEW VOLUMES.

9. HOW TO IMPLEMENT THE VIEWING OPERATIONS? EXPLAIN.

10. EXPLAIN THE GENERAL METHOD OF PARALLEL-PROJECTION TRANSFORMATION.

11. EXPLAIN PERSPECTIVE-PROJECTION TRANSFORMATION.

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