Computer Graphics Solved MCQs -Part 2

Two consecutive scaling transformation s1 and s2 are Additive Multiplicative Subtractive None of above       _____________________________________________________________________________________

A joystick is a  Graphics input device Graphics output device Both a & b None of these       _____________________________________________________________________________________

A view graph is  An oversized slide designed for presentation on an O.H.P Designed and created by exposing film to the output of the graphics system A hard copy chart None of the above       _____________________________________________________________________________________

Identify the values for fill-style parameter from the following Hollow Hatch Pattern All of the above       _____________________________________________________________________________________

Raster scan systems display a picture from a definition in a  Display file program Frame buffer Display controller None of the above       _____________________________________________________________________________________

The slope of the line joining the points (3,0) and (5,0) is…… 0 1 2 3       _____________________________________________________________________________________

Fractals deals with curves that are  Irregularly irregular Regularly irregular Irregularly regular Regularly regular       _____________________________________________________________________________________

....................... will free the CPU from graphics chores. Display processor Monitor ALU Video controller       _____________________________________________________________________________________

Video devices with reduced volume, weight and power consumption are collectively known as ......... Light weight monitors Flat-panel displays CRT Portable display       _____________________________________________________________________________________

Aliasing means Rendering effect Shading effect Staircase effect Cueng effect       _____________________________________________________________________________________

The technique of transforming one object into another is known as Translation Morphing Scaling None of the above       _____________________________________________________________________________________

The purpose of flood gun in DVST is ........................... To store the picture pattern To slow down the flood electrons To enable color pixels To focus the electron beam       _____________________________________________________________________________________

The region code of a point within the window is ............ 1111 1010 0011 0000       _____________________________________________________________________________________

The subcategories of orthographic projection are  Cavalier, cabinet, isometric Cavalier, cabinet Isometric, dimetric, trimetric Isometric, cavalier, trimetric       _____________________________________________________________________________________

When an input device is placed in event mode, data input from the device is accumulated in .................. Event queue Read queue Device list None       _____________________________________________________________________________________

Identify impact printer from the following Drum Plotter Inkjet printer Electrostatic printer Dot-matrix printer       _____________________________________________________________________________________

Which of the following is/are fundamental method(s) of antialiasing ? (i) Increase of sample rate. (ii) Treating a pixel as a finite area rather than as a point.  (iii) Decrease of sample rate. (i) and (ii) (ii) and (iii) (i) only (ii) only       _____________________________________________________________________________________

Reflection of a point about x-axis, followed by a counter-clockwise rotation of 900 , is equivalent to reflection about the line ? x= -y x=0 x=y x+y=1       _____________________________________________________________________________________

................. includes vertex coordinates and parameters to identify the spatial orientation of polygon surfaces Attribute table Geometric table Orientation table Position table       _____________________________________________________________________________________

(2,4) is a point on a circle that has center at the origin. Which of the following points are also on circle ? (2,-4) (-2,4) (-4,-2) All of above       _____________________________________________________________________________________

The slope of the line joining the points (0,0) and (5,5) is…… 0 1 2 3       _____________________________________________________________________________________

Intensity representation of an image is called ...................... Frame buffer Picture definition Display list Brightness       _____________________________________________________________________________________

Two consecutive rotation transformation r1 and r2 are Additive Multiplicative Subtractive None of above       _____________________________________________________________________________________

…………….acts as anode in CRT The phosphorous coating The glass panel The deflectors None of these       _____________________________________________________________________________________

Identify the features of DVST from the following. Monochromatic, Flicker free, Low resolution Monochromatic, Flicker free Color screens, Refresh monitors, High resolution Expensive, Low resolution       _____________________________________________________________________________________

Coordinate values for each vertex is stored in ...................... Coordinate table Vertex table Edge table Location table       _____________________________________________________________________________________

If all the pixels within an octant have the same color, it is referred to as ..................... Heterogeneous octant Homogeneous octant Simultaneous octant Similar octant       _____________________________________________________________________________________

The ................ simply reads each successive byte of data from the frame buffer. Digital Controller Data Controller Display Controller All of above       _____________________________________________________________________________________

The rubber band method is also applicable to .................... objects. Scale Scalar Vector Rotate       _____________________________________________________________________________________

. ................... is responsible for accessing the frame buffer to refresh the screen. Graphics package Video controller CPU Monitor       _____________________________________________________________________________________

Graphics and image processing technique used to produce a transformation of one object into another is called Animation Morphing Half toning None of the above       _____________________________________________________________________________________

The slope of the line joining the points (1,2) and (3,4) is…… 0 1 2 3       _____________________________________________________________________________________

........................... solid representation take advantage of spatial coherence to reduce the storage representations. Sweep representation Octree Polygon surfaces CSG       _____________________________________________________________________________________

The basic geometric structures that describes a scene on display is called ................. Attributes Output primitive Lines Curves       _____________________________________________________________________________________

An axonometric projection in which the direction of the projection makes unequal angle with all the three principal axes is called Cantilever projection Perspective projection Oblique projection Isometric projection       _____________________________________________________________________________________

A surface appearing block  Reflects all the incident colors Reflects all the incident colors expect block Reflects only block and absorbs the rest Reflects none       _____________________________________________________________________________________

The transformation in which the dimension of an object are changed relative to a specified fixed point is called Rotation Reflection Translation Scaling       _____________________________________________________________________________________

Each screen point is referred to as ......................... Resolution Pixel Persistence Dot Pitch        _____________________________________________________________________________________

The region code of a point is 1001. The point is in the ................. region of window Top right Top left  Bottom left Botton right       _____________________________________________________________________________________

Beam penetration method is usually used in ............................... LCD Raster Scan display Random scan display DVST       _____________________________________________________________________________________

................... is a data element to store the pixels within an octant having same color Voxel Void Tex Flag       _____________________________________________________________________________________

The process of selecting and viewing the picture with different views is called__? Windowing clipping projecting both a and b       _____________________________________________________________________________________

Interlaced refresh procedure is allowed in .................. LCD DVST Raster scan display Random scan display       _____________________________________________________________________________________

The shortest distance between any two dots of the same color is called ................... Resolution Dot Pitch  Pixel Depth ppi       _____________________________________________________________________________________

An axonometric projection in which the direction of the projection makes equal angle with all the three principal axes is called Cantilever projection Perspective projection Oblique projection Isometric projection       _____________________________________________________________________________________

Computer generated models of physical,financial and economic systems are often used for ?  Entertainment Quality Control Educational Aid None of above       _____________________________________________________________________________________

Which technique of color CRT is used for production of realistic image Beam penetration Shadow mask both a&b None       _____________________________________________________________________________________

The refresh rate below which a picture flicker is ................ 25 30 35 40       _____________________________________________________________________________________

The transformation in which an object is moved from one position to another in circular path around a specified pivot point is called Rotation Shearing Translation Scaling       _____________________________________________________________________________________

Coordinates of viewport are known as ............ World coordinates Polar coordinates Screen coordinates Cartesian coordinates       _____________________________________________________________________________________