Computer Graphics Quiz Questions and Answers 292 PDF Book Download. Computer graphics quiz questions, computer graphics MCQs answers, ICT quiz 292 to learn computer science courses online.Internet quiz questions and answers, computer graphics multiple choice questions (MCQ) to practice introduction to computer technology test with answers for online colleges and universities courses.
Computer graphics mcq question bank.1.1. Basic geometric transformation includea. All of these2. Some additional transformation area. None of these3.
The transformation in which an object is moved in a minimum distance path from one position to another iscalleda. The transformation in which an object is moved from one position to another in circular path around aspecified pivot point is calleda. The transformation in which the dimension of an object are changed relative to a specified fixed point iscalleda. The selection and separation of a part of text or image for further operation are calledFile hosted by educationobserver.com/forum.a.
The complex graphics operations area. None of these8.
In computer graphics, a graphical object is known asa. None of these9. An object can be viewed as a collection ofa. One segmentb. Two segmentc. Several segmentsd.
None of these10.Every segment has its own attributes likea. Size, visibilityb. Start positionc. Image transformationd. All of these11.By using the attributes of segment, we can any segmenta. None of thesee.File hosted by educationobserver.com/forum.12.A two-dimensional array contain the details of all the segment are calleda.
Segmentation tableb. Segment namec. None of thesee.13.We assign all the attributes of segment under thisa. Segment nameb. Segment sizec. None of these14.The initial size of segment will bea.
315.The removal of a segment with its details are calleda. Alter the segmentsb. Deletion of segmentsc.
Closing the segmentd. None of these16.Deletion of any segment is much than creation of any new segmenta. None17.is very important in creating animated images on the screena. Image transformationb. ClippingFile hosted by educationobserver.com/forum.d. None of these18.Which attributes of image transformation change the size of an image corresponding to the x-axis and y-axisa.
None of these19.Which attributes of image transformation change the position of image corresponding to the x-axis and y-axisa. None of thesee.20.Which attributes of image transformation rotate the image by a given anglea.
None of these21.Which attributes of image transformation rotate the image by a given anglea. None of these22.The graphics method in which one object is transformed into another object are calleda. Shear23.Example of morphing areFile hosted by educationobserver.com/forum.a.
Oil takes the shape of a carb. A tiger turns into a bikec. None of thesee.24.A many sided figure is termed asa. None25.The end point of polygon are called asa. None of these26.The line segment of polygon are called asa. None of these27.How many types of polygon area. Four28.What are the types of polygona.
Convex polygonb. Concave polygonc. None of theseFile hosted by educationobserver.com/forum.29.If a line joining any of its two interior points lies completely within it are calleda.
Convex polygonb. Concave polygonc. None of these30.If a line joining any two of its interior points lies not completely inside are calleda. Convex polygonb. Concave polygonc. None of thesee.31.In which polygon object appears only partiallya. Convex polygonb.
Concave polygonc. If the visit to the vertices of the polygon in the given order produces an anticlockwise loop are calleda. Negatively orientedb. Positively orientedc. None of thesee.33.If the visit to the vertices of the polygon in the given order produces an clockwise loop are calleda.
Negatively orientedb. Positively orientedc.
None of these34.Which things are mainly needed to make a polygon and to enter the polygon into display filea. No of sides of polygonb. Vertices pointsFile hosted by educationobserver.com/forum.c. None of these35.Two types of coordinates area. Positive and negative coordinatesb.
Absolute and relative coordinatesc. None36.Which approaches are used for determine whether a particular point is inside or outside of a polygona. Even-odd methodb.
Winding number methodc. None of thesee.37.The transformation that produces a parallel mirror image of an object are calleda. Scaling38.The transformation that disturbs the shape of an object are calleda.
Scaling39.The process of mapping a world window in world coordinate system to viewport are calleda. Transformation viewingb. Clipping windowd. Screen coordinate system40.In which transformation the shape of an object can be modified in x-direction,y-direction as well as in boththe direction depending upon the value assigned to shearing variablesFile hosted by educationobserver.com/forum.a. Scaling41.The process of extracting a portion of a database or a picture inside or outside a specified region are calleda.
Clipping42.The rectangle portion of the interface window that defines where the image will actually appear are calleda. Transformation viewingb.
Clipping windowd. Screen coordinate system43.The space in which the image is displayed are calleda. Screen coordinate systemb.
Clipping windowc. World coordinate systemd. None of these44.The rectangle space in which the world definition of region is displayed are calleda. Screen coordinate systemb.
Clipping window or world windowc. World coordinate systemd. None of these45.The object space in which the application model is defineda. Screen coordinate systemb. Clipping window or world windowc. World coordinate systemd. None of thesee.File hosted by educationobserver.com/forum.46.The process of cutting off the line which are outside the window are calleda.
Clipping window47.Some common form of clipping includea. Curve clippingb. Point clippingc. Polygon clippingd.
All of these48.A composite transformation matrix can be made by determining the of matrix of the individualtransformationa. None of these49.Each successive transformation matrix the product of the preceding transformationa. None of these50.Forming products of transformation matrices is often referred asa. Composition of matrixb. Concatenation of matrixc.
Both a & b are samed. None of these51.The alteration of the original shape of an object, image, sound, waveform or other form of information arecalleda. DistortionFile hosted by educationobserver.com/forum.c. None of these52. Two consecutive translation transformation t1 and t2 area.
None of these53.Two consecutive rotation transformation t1 and t2 area. None of thesee.54.Two consecutive scaling transformation t1 and t2 area.Additivea.
None of these1. The graphics can bea. Photograph, moviesc. All of these2. Computer graphics was first used bya. William fetter in 1960b. James fetter in 1969c.
James gosling in 1991d. John Taylor in 19803. The component of interactive computer graphics area. A light penb.
Display unitc. Bank of switchesd. All of these4. Personal computer become powerful during the latea. 1960File hosted by educationobserver.com/forum.b. Three dimensional computer graphics become effective In the latea. Which environment has been one of the most accepted tool for computer graphics in business and graphicsdesign studiosa.
Graphics is one of the major key element in design of multimedia applicationa. Three dimensional graphics become popular in games designing, multimedia and animation during the latea. The quake, one of the first fully 3D games was released in yeara. Types of computer graphics area. Vector and rasterb. Scalar and rasterc. Vector and scalard.
None of these11. Vector graphics is composed ofa. None of these12. Raster graphics are composed ofa. None of these13. Raster images are more commonly calleda.
Pix mapFile hosted by educationobserver.com/forum.b. None of these14. Pixel can be arranged in a regulara. One dimensional gridb. Two dimensional gridc.
Three dimensional gridd. None of these15.
The brightness of each pixel isa. None of these16. Each pixel has basic color componentsa. Two or threeb.
Three or fourd. None of these17. The quantity of an image depend ona. Of pixel used by imageb. Of line used by imagec. Of resolution used by imaged. Higher the number 0f pixels, the image qualitya.
None of above19. A palette can be defined as a finite set of colors for managing thea.
Analog imagesb. Digital imagesc. None of these20. Display card area. None of above21. Display card is used for the purpose ofa. Sending graphics data to input unitb.
Sending graphics data to output unitc. Receiving graphics data from output unitd. None of these22.
Several graphics image file formats that are used by most of graphics system area. TIFFFile hosted by educationobserver.com/forum.d. All of these23. The GIF format is much to be downloaded or uploaded over the wwwa.
None of these24. Once a file is saved in JPEG format,some data is losta. EPS image file format is used fora. Vector graphicsb.
None of these26. TIFF (tagged image file format )are used fora. Vector graphicsb. None of these27. Entire post scriptb. Entire post scalec. Encapsulated post scriptd.
None of these28. The additive color models use the concept ofa. Printing inkb. Light to display colorc. Printing lined. None of these29. The subtractive color model use the concept ofa.
Printing inkb. Light to display colorc. Printing lined. None of these30. Color apparent in additive model are the result ofa.
Reflected lightb. Transmission of lightc. Flow of lightd.
None of these31. Color apparent in subtractive model are the result ofa. Amount of Reflected lightb. Transmission of lightc. Flow of lightd. None of theseFile hosted by educationobserver.com/forum.32. Two dimensional color model area.
RGB and CMKYb. RBG and CYMKc.
RGB and CMYKd. RGB model are used fora. Computer displayb. None of these34. CMYK model are used fora. Computer displayb.
None of these35. The intersection of three primary RGB color producesa. White colorb. Black colorc. Magenta colord. Blue color36.
The intersection of primary CMYK color producesa. White colorb. Black colorc. Magenta color37.
The RGB model display a much percentage of the visible band as compared to CMYKa. None of these38. Color depth can be defined by which can be displayed on a display unita. Bits per pixelb. Bytes per pixelc.
Megabyte per pixeld. None of these39. Each bit representa. Three colord. RGB true color model has color deptha. CMYK true color model has color deptha. 24bitFile hosted by educationobserver.com/forum.b.
Grey scale images have a maximum color depth ofa. Graphics with limited features is known asa. Active graphicsb. Passive graphicsc. Grayscale imaged. None of these44. Computer of present time have much higher memory and storage capacitya.
Much smallerb. Much biggerc. Much slowerd. Common ray tubeb.
Cathode ray tubec. Common ray tubed.
Refresh CRT consist ofa. Glass wrapperb.
The phosphor viewing surfacec. The electron gun assemblyd. All of above47. The amount of time the phosphor produce light or shine is controlled by chemical composition of the phosphor.This is known asa. The electron beam in a color picture tube is refreshed times in a second to make video realistica.
Direct view storage tubeb. Domain view storage tubec. Direct view store tubed. DUST is rarely used today as part ofa. Input deviceb.
Output deviceFile hosted by educationobserver.com/forum.c. Display systemsd. In DUST, is there refresh buffera.
The electron beam in DUST is designed to draw directly toa. Storage meshc. The second grid in DUST is calleda.
Storage meshc. To increase the energy of these slow moving electron and create a bright picture in DUST, the screen ismaintained at aa. Low positive potentialb. High negative potentialc. High positive potentiald.
A major disadvantage of DUST in interactive computer graphics isa. Ability to selectively erase part of an imageb. Inability to selectively erase part of image from screenc.
Inability to produce bright pictured. Interactive graphics is useful ina. Training pilotsb. Computer aided designc.
Process controld. All of these57.
The origin of computer graphics was developed ina. The term business graphics came into use in latea. Computer graphics is used in many DTP software asa.
Paint brushc. Both a & bFile hosted by educationobserver.com/forum.d. None of these60.
Any CRT based display must be refreshing at least times a seconda. The standardization is neededa. To make application programs more portableb. To increase their utilityc. To allow them to use in different application environmentd. All of these62.
GKS stands fora. Graphics kernel systemb. Graphics kernel standsc. Generic kernel systemd. None of these63. GKS was developed by thea. International standards organizationb.
National standard organizationc. None of these64. The resolution of raster scan display isa.
Random scan systems are designed fora. Line drawing applicationb.
Pixel drawing applicationc. Color drawing applicationd. None of these66. Solid pattern in random scan display is to filla.
None of these67. Raster scan is expensive than random scana. Two basic technique for producing color display with a CRT area.
Shadow mask and random scanb. Beam penetration method and shadow mask methodc.
Random scan and raster scand. None of above69.
In beam penetration method of color CRT, two layer of phosphor coated areFile hosted by educationobserver.com/forum.a. Red and blueb. Red and greenc. Blue and greend. None of these70. In beam penetration method of color CRT, which layer is red and which is greena.
Outer is red and inner is greenb. Inner is red and outer is greenc. Inner is red and inner is greend.
A shadow mask CRT has phosphor color dots at each pixel positiona. None of these72. Which color is produced with the green and red dots onlya. Which color s produced with the blue and red dotsa. Cyan color is produced when the blue and green are activateda.
Which technique of color CRT is used for production of realistic imagea. Shadow mask methodb. Beam penetration methodc.
None of these76. In which method of CRT, convergence problem occura. Beam penetration methodb.
Shadow mask methodc. None of these77. Beam penetration method is used ina. Random scan systemb. Raster scan systemc.
None of these78. Shadow mask method is used ina. Random scan systemb. Raster scan systemFile hosted by educationobserver.com/forum.c.
None of these79. Graphics data is computed by processor in form ofa. Electrical signalsb.
Analog signalsc. Digital signalsd.
None of these80. An example of impact device isa. Electrostatic printerb. Inkjet printerc. Line printerd. Laser printer81. To generate the characters, which are requireda.
None of these82. The method which uses array of dots for generating a character is calleda. Stoke methodb. Bitmap methodc.
Star bust methodd. None of these83.
The hardware devices containa. Color printer / black white printerb. An example of black and white laser printer isa. An example of color printer isa. Non impact use various techniques to combine three color pigment to produce a range of color patternsa. Cyan, magenta and yellowb. Cyan, white and blackc.
Cyan, white and yellowd. Black, magenta and yellow87. Printers produce output by eithera.
Impact methodb. Non impact methodc. None of theseFile hosted by educationobserver.com/forum.88. What is name of temporary memory where the graphics data is stored to be displayed on screena. Frame bufferd. The division of the computer screen into rows and columns that define the no. Of pixels to display a picture iscalleda.
Encapsulated post scriptd. Liquid crystal displaysb. Liquid crystal datac.
Liquid chrome datad. LCD are commonly used ina. Laptop computersd. All of these92.
LCD is an devicea. Non emissivec. Gas discharged. None of these93. Plasma panel is an devicea.
Non emissivec. Plasma device convertsa. Electrical energy into lightb. Light into electrical energyc. Light into graphical energyd. None of these95.
Plasma panel have resolutiona. Plasma panel are also calleda. Liquid crystal displayb. Gas discharge displayc. Non emissive displayd. None of these97. The basic graphical interactions areFile hosted by educationobserver.com/forum.a.
Graphical user interfaceb. Graphical user interactionc. Graphics uniform interactiond. Which one is the basic input device in GUIa. Graphics tabletc. Voice systemd.
Touch panel100. Pen or inkjet plotters use the following devicesa. None of these1.
is a flexible strip that is used to produce smooth curve using a set of pointa. Scan-line methodc. Depth-sorting methodd. None of these2. The types of sp line curve area.
Open sp lineb. Closed sp linec. None of these3. Cubic sp line area. Simple to computeb. Provides continuity of curvesc.
None of these4. The parametric form of 3D sp line areFile hosted by educationobserver.com/forum.a. None of these5.
The value of t lies betweena. The surfaces that is blocked or hidden from view in a 3D scene are known asa.
Hidden surfaceb. Frame bufferc. None of these7.
The problem of hidden surface area. Removal of hidden surfaceb. Identification of hidden surfacec.
None of these8. Why we need removal of hidden surfacea. For displaying realistic viewb. For determining the closest visible surfacec. None of these9.
How many types of hidden surface algorithm area. 410.The algorithm of hidden surface areFile hosted by educationobserver.com/forum.a. Object-space methodb. Image-space methodc. None of these11.The method which is based on the principle of comparing objects and parts of objects to each other to findwhich are visible and which are hidden are calleda. Object-space methodb.
Image-space methodc. None of these12.The method which is based on the principle of checking the visibility point at each pixel position on theprojection plane are calleda. Object-space methodb. Image-space methodc. None of these13.The types of hidden surface removal algorithm area. Depth comparison, Z-buffer, back-face removalb. Scan line algorithm, priority algorithmc.
BSP method, area subdivision methodd. All of these14.Which surface algorithm is based on perspective deptha. Depth comparisonb.
Z-buffer or depth-buffer algorithmc. Subdivision methodd. Back-face removal15.In which year Z- buffer algorithm are describeda. 1945File hosted by educationobserver.com/forum.d. 198116.Z -buffer algorithm area. Simplest algorithmb.
Complex algorithmc. Largest algorithmd. None of these17.Which is a tree type of data structure in which every internal node has at most four childrena. Point quad treeb. Edge quad treec. None of these18.The scan line coherence algorithm was developed bya.
Both a & b19.The array are used with scan line coherence algorithm area. For intensity valueb. For depth valuec. None of these20.Scan lines are used to scan froma. Top to bottomb. Bottom to topc.
None of these21.The painter algorithm were developed ona. 1972 by Newellb. 1972 by Evansc. 1974 by Cat mullFile hosted by educationobserver.com/forum.d. None of these22.The painter algorithm are also calleda. Depth sort algorithmb. Priority algorithmc.
None of these23. The painter algorithm are based on the property ofa. Frame bufferc. Depth bufferd.
None of these24.The dynamic effect of an image is calleda. Super samplingd. None of these25.The animation can be defined as a collection of images played ina.
Not sequenceb. Defined sequencec. None of these26.When sound is included in the animation, it becomea.
None of these27. Many online animation tools are used to create animation in the form ofa. GIF imageFile hosted by educationobserver.com/forum.d. None of these28.An ex of online animation tools area. Macromedia flashb.
None of these29.To produce the motion in the image by placing the elements of the image on different location,whichsoftware are useda. Macromedia flashb. None of these30.The name of a visible surface detection algorithm area. Back face detectionb. Back face removalc. Ray tracingd.
None of these31.Which type of quad tree can be defined as an adaptation of a binary tree represented two dimensional pointdataa. Point quad treeb. Edge quad treec.
Curves quad treed. Areas quad tree32.Which type of quad tree is specifically used to store lines rather than pointsa. Point quad treeb.
Edge quad treec. Curves quad treed. Areas quad tree33.Which quad tree defines a partition of space in two dimension by dividing the region into four equalquadrants, sub quadrants and so onFile hosted by educationobserver.com/forum.a. Curves quad treeb.
Areas quad treec. Region quad treed. None34.The animation graphics can be created bya. Computer assistancec. None of these35.The animation can be divided intoa.
Three partsd. Four parts36.The types of animation area. Traditional animationb.
Computer animationc. None of these37.The types of computer animation area. 2D computer animationb. 3D computer animationc.
None of these38.The depth sorting method reforms surfaces sorting in order of deptha. None of these39.The problem of discontinuity of lines is known asFile hosted by educationobserver.com/forum.a. None of these40.A quad-tree is a data structure which is used for graphical representation ofa. 2D digital picture or objectb.
3D picture or objectc. None of these41.A octree is a data structure which is used for alternative representation ofa. 2D digital picture or objectb. 3D picture or objectc. None of these42.How many data elements for each region in quad-tree data structurea. 843.How many data elements for each region in octree data structurea. 844.The main property of is that their shape is irregulara.
None of these45.The word fractals is coined byFile hosted by educationobserver.com/forum.a. Mandelbrot in 1975b. Gosling in 1962c. Mandelbrot in 1974d. Mandelbrot in 197946.The fractals is used toa. Generate image of natural objectb. Viewing of various mathematical systemc.
Viewing of various physical systemd. All of these47.A process with the help of which images or picture can be produced in a more realistic way is calleda. None of these48.For which purpose,one needs to apply natural light effects to visible surfacea. None of these49.The basic ray tracing algorithm providesa. Visible-surface detectionc. Shadow effect, multiple light source illuminationd.
All of these50.Ray-tracing is an extension ofa. Ray callingb. Ray castingc. Ray samplingd. None of these51.A fast and simple method for rendering an object with polygon surface isFile hosted by educationobserver.com/forum.a. Constant-intensity shadingb.
Flat shadingc. None of these1. A three dimensional graphics hasa. None of these2. as the most commonly used boundary presentation for a 3-D graphics objecta.
Data polygonb. Surface polygonc. System polygond.
None of these3. A three dimensional object can also be represented usinga. None of these4. An can be considered as an extension of spherical surfacea.
None of these5. curve is one of the sp line approximation methodsa. None of these6. A Bezier curve is a polynomial of degree the no of control points useda. One more thanb.
One less thanc. Two less thand. None of these7. The most basic transformation that are applied in three-dimensional planes area. All of these8. The transformation in which an object can be shifted to any coordinate position in three dimensional plane arecalleda.
TranslationFile hosted by educationobserver.com/forum.b. All of these9. The transformation in which an object can be rotated about origin as well as any arbitrary pivot point arecalleda. All of these10. The transformation in which the size of an object can be modified in x-direction,y-direction and z-directiona. All of these11.
Apart from the basic transformation,are also useda. None of these12.
In which transformation,the shape of an object can be modified in any of direction depending upon the valueassigned to thema. None of these13. In which transformation,the mirror image of an object can be seen with respect to x-axis, y-axis,z-axis as wellas with respect to an arbitrary linea.
None of these14. How many types of projection area. The types of projection area.
Parallel projection and perspective projectionb. Perpendicular and perspective projectionc. Parallel projection and Perpendicular projectiond.
None of these16. How many types of parallel projection area. The types of parallel projection areFile hosted by educationobserver.com/forum.a. Orthographic projection and quadric projectionb. Orthographic projection and oblique projectionc. Oblique projection and quadric projectiond.
None of these18. are the three dimensional analogs of quad treesa. None of these19. By which more complex objects can be constructeda.
Quadric surfacesb. Wire frame modelc. Composite transformationd. None of these20. refers to the common elements of graphics scenes,often used in graphics package as primitivecomponentsa. Quadric surfacesb. Wire frame modelc.
Composite transformationd. None of these21.
refer to the shapes created by union, intersection and difference of given shapesa. Wire frame modelb. Composite transformationc.
Constructive solid geometry methodsd. None of these22.
refer to a model that represent all the dimension of an object external as well as internala. Wire frame modelb. Constructive solid geometry methodsc. Composite transformationd. None of these23.
refers to the result obtained by multiplying the matrix of the individual transformation representationsequencesa. Wire frame modelb.
Constructive solid geometry methodsc. Composite transformationd. None of these24. The projection in which the projection plane is allowed to intersect the x, y and z-axes at equal distancesa. Wire frame modelb. Constructive solid geometry methodsc.
Isometric projectiond. Back face removal25.
In which projection,the plane normal to the projection has equal angles with these three axesa. Wire frame modelb. Constructive solid geometry methodsc.
Isometric projectiond. Back face removal26.
is a simple object space algorithm that removes about half of the total polygon in an image as aboutFile hosted by educationobserver.com/forum.half of the faces of objects are back facesa. Wire frame modelb. Constructive solid geometry methodsc.
Isometric projectiond. Back face removal27. By which,we can take a view of an object from different directions and different distancesa. Parallel projection shows thea.
True image of an objectb. True size of an objectc. True shape of an objectd. All of these29. Projection rays(projectors) emanate from aa. COP(centre of projection )b. Intersect projection planec.
None of these30. The centre of projection for parallel projectors is ata.
None of these31. In orthographic projection, engineering usea.
Top view of an objectb. Front view of an objectc.
Side view of an objectd. All of these32. The orthographic projection that show more than one side of an object are calleda. Axonometric projectionb. Isometric projectionc. None of these33.
The projection that can be viewed as the projection that has a centre of projection at a finite distance from theplane of projection are calleda. Parallel projectionb. Perspective projectionc. Isometric projectiond. None of these34. The perspective projection is more practical because the distant objects appeara. Neither smaller nor largerd.
None of these35. The equation of scaling transformation will beFile hosted by educationobserver.com/forum.a. Both of thesed.
None of these36. The equation of translation transformation will bea. Both of thesed. None of these37. Sp line curve can be eithera. Bezier sp lineb.
None of these38. Bezier sp line always passes througha. First and second control pointb. Does not pass from First and second control pointc. None of these39. The equation for describing surface of 3D plane area. Ax+ By+ Cz+ D= 0b.
Ax+ By+ Cz = 0c. Ax+ By+ D= 0d.
Ax+ By+ Cz+ D= 140. The object refers to the 3D representation through linear, circular or some other representation are calleda. Quadric surfaceb. Sweep representationc. None of these41.
The distance of a line from the projection plane determinesa. Its size on projection planeb. Its length on projection planec. Its width on projection planed. Its height on projection plane42.
The further the line from the projection plane, its image on the projection planea. Neither smaller nor largerd. None of these43. The Bezier curve obtained from the four control points is called aa.
Square Bezier curveb. Cubic Bezier curvec.
Hectare Bezier curved. Rectangle Bezier curve44.
The shape of a Bezier curve primarily depends upon thea. Position of control pointsb. Distance of control pointsFile hosted by educationobserver.com/forum.c. Position of control paneld. None of these45. The no of control points in a Bezier curve ensures thea.
Jaggies of curveb. Smoothness of curvec. Straightness of curved.
None of these46. More the control points of a Bezier curve, quality of the curvea.
None of these47. is one of the function that is used to specify a single plane surfacea. Meta-ball modelb.
None of these48. Meta-ball is used to describea. Simplest objectb. Complex objectc. Composite objectd.
None of these49. Super quadrics is a class of object that containa. None of these50. When two molecules move apart, which effect on molecular shapesa. All of these51.
The sweep representation of an object refers to thea. 2D representationb. 3D representationc. None of these1. Interactive computer graphics uses various kind of input devices such asa. Graphic tabletc.
JoystickFile hosted by educationobserver.com/forum.d. All of these2. Input function are used fora. Control the data flow from these interactive devicesb.
Process the data flow from these interactive devicesc. None of these3. A graphics package containsa. No of housekeeping task such as clearing a display screenb. No of housekeeping task such as initializing parametersc.
None of these4. The interactive computer graphics involves way communication b/w computer and the usera. Interactive computer graphics enables a user to customize the graphics in a. Computer wayb. His own wayc. None of these6. User can make any change on image with the use ofa.
Non-interactive graphicsb. Interactive graphicsc. None of these7.
The application area of computer graphics area. Education and textbookc. CAD and entertainmentFile hosted by educationobserver.com/forum.d. All of these8. Car aided designb. Computer art designc. Computer aided designd.
None of these9. Draw top publishingb. Desk top publishingc. Desk town publishingd. None of these10.PCBs can be drawn using the computer graphicsa. In very efficiently wayb. In a shorter timec.
In a larger timed. Both a & b11.How many components of Interactive computer graphics area. Four12.What are the components of Interactive computer graphicsa.
A digital memory or frame bufferb. A television monitorc. An interface or display controllerd. All of these13.A display controller serves to pass the contents ofa. Frame buffer to monitorb.
Monitor to frame bufferc. Both a & bFile hosted by educationobserver.com/forum.d. None of these14.The image is passed repeatedly to the monitor in order to maintain a steady picture on the screena. 25 times a secondb. 30 times a secondc.
30 or more times a secondd. None of these15.To store black and white images,black pixels are represented by in the frame buffer and whitepixels bya. Zero and oneb. One and Zeroc. None of these16.A 16.16array of black and white pixels could be represented bya.
96bytes17.The display controller converts 0s and 1s intoa. Video signalc.
Electronics signald. None of these18.The image can be transmitted to the display point bya. None of these19.Which graphics application provides a proper dialogue box to help the usera. MS PaintFile hosted by educationobserver.com/forum.c. None of these20.The area of computer that is captured by an application is calleda. None of these21.A basic interactive picture construction technique area. Positioning and pointing, constraintsb.
Grid, gravity field, rubber band methodc. Sketching, dragging, inking and paintingd. All of these22.The movement of different attributes of image would make the image dynamic and such a dynamic effect istermed as a. None of these23.Graphics output devices area. Graphics tablet, mouseb.
Light pen, joystickd. None of these24.Which method are used to get and set the position of a pixel, object or text in active area of a desktopa. Drugging methodb. Basic positioning methodc. Sketching methodd.
Gravity field method25.The center of display screen is computed asa. Xmax,ymaxFile hosted by educationobserver.com/forum.b. None of these26.The operation that is used for repositioned the object are calleda. Rubber band methodb. Gravity fieldc. None of these27.Which method are used to construct and position the straight lines, arcs and circles, etcsa.
Rubber band methodb. Gravity fieldc.
None of these28.Which are used to connect a line to already drawn linea. Rubber band methodb. Gravity fieldc. None of these29.The rubber band is also applicable to objectsa.
None of these30. The division displayed on screen into row and columns is known asa. Rubber band methodb. Gravity fieldc.
Grid31.The function of a plotter is like aa. MonitorFile hosted by educationobserver.com/forum.b. None of these32.A plotter is capable ofa. Printing a mapb. Printing a similar imagesc. None of these33. ink is used in laser printera.
None of these34.The cabinet in laser printer in which the ink is filled is calleda. None of these35.An inkjet printer places of ink onto paper to print an imagea. Small dropletsb. Large dropletsc. None of these36.The size of these dot in inkjet printer usually lies betweena. 50 to60 microns in diameterb. 20 to30 microns in diameterc.
30 to40 microns in diameterd. 10 to20 microns in diameter37.The speed of printing in inkjet printer isa. FastFile hosted by educationobserver.com/forum.b. Not fast nor slowd. None of these38.The inkjet printer is mostly common due to theira.
None of these39.LCD stands fora. Liquid core displayb. Liquid crystal displayc. Liquid crystal diagramd. None of these40.The LCD projector is the output device that is connected to thea. None of these41.The size of the projected contents in LCD projector depends on the distance betweena. Projector and CPUb.
Projector and target screenc. Projector and target memoryd. None of these42.An LCD projector displays the contents in manner than a simple monitora. Less flexibleb.
More flexiblec. None of these43.How many types of LCD projectora. 1File hosted by educationobserver.com/forum.b. 444.The types of LCD projector area. Flat panel and laserb. Normal and roof mountedc.
Mesh model and curvedd. None of these45.The roof mounted projector are fixed on thea. None of these46.The roof mounted projector can connect two or more computers or laptops ina. None of these47.The roof mounted projector are also enabled to takea. Computer datab. Printing datac.
None of these48.The roof mounted projector takes computer data via a cable througha. Serial portb. Parallel portc. None of these49.The roof mounted projector are Bluetootha.
EnabledFile hosted by educationobserver.com/forum.b. None of these50.The flat panel displays are in appearancea. None of these51.A touch screen display is ana. Input deviceb. Output devicec. Neither input nor output52.The touch screen display shows the results ofa. Accept command and data from user for further computationc.
None of these53.The flat panel display is called ana. LCD monitorb.
LED monitorc. None of these54.A graphics tablet works on same principal asa. None of these55.The voice recognition system takes the command from the user in the form ofa. WritingFile hosted by educationobserver.com/forum.b. None of these56.In the voice recognition system,the voice is converted intoa. Machine codeb. Electrical signald.
None of these57.A joystick is aa. Graphics input deviceb.
Graphics output devicec. None of these58.A joystick is consisting of aa. None of these59. Joystick are often used to controla. Video gamesc. None of these60.The joystick often has fire buttons to trigger some kind of actiona.
None of these61.In which year,mostly modern joystick use a USB interface for connection to the personal computera. 2005File hosted by educationobserver.com/forum.b. 200862.The light pen is ana. Graphics input deviceb. Graphics output devicec.
None of these63.The functioning of a light pen is similar to mouse except thata. User can move the pointerb. User can select objects on the display screen by pointing to object with the penc. None of these64.A wireless mouse works ona. Infra blue radiationb. Infra red radiationc.
Infra green radiationd. None of these65.A wireless mouse consists of partsa. None of these66.The parts of wireless mouse isa.
Cable and a mouseb. USB and a mousec. CPU and a moused. None of these67.The mouse’s motion typically translates intoa. Motion of a pointer on a displayFile hosted by educationobserver.com/forum.b.
Motion of a pointer on a CPUc. None of these68.How many types of keyboarda. 469.Types of keyboard area. Gaming and multimediac. Thumb sizedd.
All of these70.Which are used to achieve the predetermined orientations and alignments of the objectsa. Gravity fieldd.
None of these71.The major constraints area. Horizontal alignmentb. Vertical alignmentc. None of these1.
A technique by which the vertical and /or horizontal scan frequency of video signal can be changed fordifferent purpose and applications is calleda. Scan conversionb. Polygon fillingc. Two dimensional graphicsFile hosted by educationobserver.com/forum.d. Anti aliasing2. The method which perform the scan conversion by using large number of delay cells are calleda. Analogue methodb.
Digital methodc. Complex methodd. None of these3. Digital method is also known asa.
Normal methodb. Buffered methodc. Real time methodd. None of these4. Analogue method is also known asa.
Normal methodb. Buffered methodc. Real time or memory less methodd.
None of these5. Digital method allows a picture to be stored in line or frame buffer witha. Different speedc. None of these6. A pixel may be defined asa.
Smallest size objectb. Larger size objectc.
Medium size objectd. None of these7. A position in plane known asa. GraphicsFile hosted by educationobserver.com/forum.d. None of these8.
A line can be represented bya. Three pointsd. Four points9. The process of coloring the area of a polygon is calleda.
Polygon fillingb. Polygon flowc. None of these10.How many types of polygon fillinga. The algorithm used for filling the interior of a polygon is calleda. Flood fill algorithmb.
Boundary fill algorithmc. Scan line polygon fill algorithmd. None of these12.The function of scan line polygon fill algorithm area. Find intersection point of the boundary of polygon and scan lineb. Find intersection point of the boundary of polygon and pointc.
None of these13.If the pixel is already filled with desired color then leaves it otherwise fills it. This is calleda.
Flood fill algorithmb. Boundary fill algorithmc. Scan line polygon filling algorithmFile hosted by educationobserver.com/forum.d.
None of these14.A vector can be defined asa. Intersection b/w two point positionb. Difference b/w two point positionc. Comparison b/w two point positiond. None of these15.Bresanham circle algorithm uses the approach ofa.
None of these16.The side effect of scan conversion area. Anti aliasingc. None of these17.The process of reducing aliasing is calleda. Anti aliasingc. None of these18.Two basic technique for anti aliasing in ray tracing algorithm area. Pixel sampling and super samplingb. Adaptive sampling and super samplingc.
Pixel sampling and super samplingd. None of these19.The problem of aliasing area. Unequal brightnessc. Picket fence problemFile hosted by educationobserver.com/forum.d. All of these20.The technique to minimizing aliasing area. Increased no of resolutionb.
Modify pixel intensitiesc. Super samplingd. All of these21.Lower persistence phosphorus is used ina. Simple objectc. Complex objectd. All of these22.Lower persistence phosphorus needs refresh ratea.
None of these23.Higher persistence phosphorus needs refresh ratea. None of these24.Higher persistence phosphorus is used ina. Simple objectc.
Higher complex objectd. All of these25.Phosphorus are of various types depending ona. Both a & bFile hosted by educationobserver.com/forum.d. None of theseFile hosted by educationobserver.com/forum.