McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Electronics and Communication Engineering .
| 101. |
An M shaped closed figure is an example of ____ Polygon |
| A. | convex |
| B. | concave |
| C. | complex |
| D. | linear |
| Answer» B. concave | |
| 102. |
Polygons are formed by two scan lines and two _____ in polygon representation using trapizoid primitive. |
| A. | vertical lines |
| B. | line segments |
| C. | scan lines |
| D. | horizontal lines |
| Answer» B. line segments | |
| 103. |
Polygons are formed by two ____ lines and two Line segments in polygon representation using trapizoid primitive. |
| A. | vertical |
| B. | segmented |
| C. | scan |
| D. | horizontal lines |
| Answer» B. segmented | |
| 104. |
A region S is ____, if for atleast 2 points x1 and x2 in S, the straight line segment connecting x1 and x2 is not contained entirely in S. |
| A. | concave |
| B. | convex |
| C. | linear |
| D. | polygon with hole |
| Answer» A. concave | |
| 105. |
A concave polygon is one which is not ___ |
| A. | non-linear |
| B. | linear |
| C. | convex |
| D. | none |
| Answer» C. convex | |
| 106. |
A convex polygon is a polygon such that for any two points inside the polygon, all points on the line segment connecting them are __________the Polygon |
| A. | also inside |
| B. | outside |
| C. | also partially inside |
| D. | partially outside |
| Answer» A. also inside | |
| 107. |
A ______ polygon is a polygon such that for any two points inside the polygon, all points on the line segment connecting them are also inside the Polygon |
| A. | concave |
| B. | convex |
| C. | complex |
| D. | linear |
| Answer» B. convex | |
| 108. |
A convex polygon is a polygon such that for any two points ____ the polygon, all points on the line segment connecting them are also ____ the Polygon |
| A. | inside, outside |
| B. | outside, outside |
| C. | outside, outside |
| D. | inside, inside |
| Answer» D. inside, inside | |
| 109. |
One of the representation of Polygon is using |
| A. | rectangle primitive |
| B. | trapizoid primitive |
| C. | circle primitive |
| D. | square primitive |
| Answer» B. trapizoid primitive | |
| 110. |
For Graphics devices who do not support polygon as a whole _____ approach is used to draw polygon |
| A. | trapizoid |
| B. | lines and points |
| C. | rectangle |
| D. | lines and circles |
| Answer» B. lines and points | |
| 111. |
Polygon can be drawn as series of ______ |
| A. | triangles |
| B. | rectangles |
| C. | squares |
| D. | trapizoids |
| Answer» D. trapizoids | |
| 112. |
Operation code _____ is used to draw a polygon |
| A. | 3 or greater |
| B. | 3 or lesser |
| C. | 2 or greater |
| D. | n or lesser |
| Answer» A. 3 or greater | |
| 113. |
The devices which support polygons drawing primitive directly as Polygon shape, save the polygon as a ____ |
| A. | unit |
| B. | drawing |
| C. | rectangle |
| D. | square |
| Answer» A. unit | |
| 114. |
In one of the polygon representation ,Polygons are formed by two _____and two _____ |
| A. | scan lines & vertical lines |
| B. | scan lines & line segments |
| C. | vertical lines & line segments |
| D. | horizontal lines & scan lines |
| Answer» B. scan lines & line segments | |
| 115. |
Scaling factor Sx in Viewing transformation is given by ____ |
| A. | (xvmax-xvmin)/(xwmax-xwmin) |
| B. | (xwmax-xwmin)/(xvmax-xvmin) |
| C. | (xvmin-xvmax)/(xwmax-xwmin) |
| D. | (xvmin-xvmax)/(xwmin-xwmax) |
| Answer» A. (xvmax-xvmin)/(xwmax-xwmin) | |
| 116. |
Scaling factor Sy in Viewing transformation is given by ____ |
| A. | (yvmax-yvmin)/(ywmax-ywmin) |
| B. | (ywmax-ywmin)/(yvmax-yvmin) |
| C. | (yvmin-xvmax)/(ywmax-xwmin) |
| D. | (xvmin-xvmax)/(ywmin-ywmax) |
| Answer» A. (yvmax-yvmin)/(ywmax-ywmin) | |
| 117. |
Scaling factor Sx in Viewing transformation is given by ____ |
| A. | viewport x extent / window y extent |
| B. | window x extent / viewport x extent |
| C. | viewport x extent / window x extent |
| D. | viewport y extent / window x extent |
| Answer» C. viewport x extent / window x extent | |
| 118. |
Scaling factor Sy in Viewing transformation is given by ____ |
| A. | viewport x extent / window y extent |
| B. | viewport y extent / window y extent |
| C. | viewport y extent / window x extent |
| D. | window y extent / viewport y extent |
| Answer» B. viewport y extent / window y extent | |
| 119. |
The mapping of the window (modeling coordinates) to viewport (device coordinates) is a 2D |
| A. | windowing |
| B. | viewing transformation |
| C. | window transformation |
| D. | none |
| Answer» B. viewing transformation | |
| 120. |
The clipping window is mapped into a |
| A. | window |
| B. | clipping window |
| C. | world coordinates |
| D. | viewport |
| Answer» D. viewport | |
| 121. |
Representation of an object measured in some physical units |
| A. | modelling coordinate system |
| B. | world coordinate system |
| C. | screen coordinate system |
| D. | none |
| Answer» A. modelling coordinate system | |
| 122. |
Representation of a set of objects, all measured in the same physical units. |
| A. | modelling coordinate system |
| B. | world coordinate system |
| C. | screen coordinate system |
| D. | none |
| Answer» B. world coordinate system | |
| 123. |
The space within the image is displayed |
| A. | modelling coordinate system |
| B. | world coordinate system |
| C. | screen coordinate system |
| D. | none |
| Answer» C. screen coordinate system | |
| 124. |
The process of going from a window in world coordinates to a viewport in screen coordinates |
| A. | windowing |
| B. | viewing transformation |
| C. | window transformation |
| D. | none |
| Answer» B. viewing transformation | |
| 125. |
As the window increases in size, the image in the viewport_______ in size in viewing transformation |
| A. | increases |
| B. | doubles |
| C. | decreases |
| D. | remains the same |
| Answer» C. decreases | |
| 126. |
Maintain ______ size and position between clipping window and viewport in viewing transformation. |
| A. | equal |
| B. | relative |
| C. | non_relative |
| D. | non-equal |
| Answer» B. relative | |
| 127. |
In viewing transformation maintain ______ size and______ between clipping window and viewport |
| A. | equal , position |
| B. | non-equal, position |
| C. | relative, position |
| D. | un-equal , position |
| Answer» C. relative, position | |
| 128. |
In viewing transformation maintain relative size and ______ between clipping window and viewport |
| A. | window |
| B. | viewport |
| C. | position |
| D. | none |
| Answer» C. position | |
| 129. |
Maintain relative ____ and position between clipping window and viewport in viewing transformation |
| A. | viewport |
| B. | size |
| C. | window |
| D. | none |
| Answer» B. size | |
| 130. |
An area on a display device to which a window is mapped, defines where it is to be displayed |
| A. | viewport |
| B. | size |
| C. | window |
| D. | none |
| Answer» A. viewport | |
| 131. |
In viewing transformation maintain relative size an position between clipping window and viewport. ie a point in window Xw, Yw is transformed to Xv, Yv where Xv= |
| A. | xvmin +( xw+xwmin )sx |
| B. | xvmin +( xw-xwmin )sx |
| C. | xvmin -( xw+xwmin )sx |
| D. | xvmin -( xw-xwmin )sx |
| Answer» B. xvmin +( xw-xwmin )sx | |
| 132. |
In viewing transformation maintain relative size an position between clipping window and viewport. ie a point in window Xw, Yw is transformed to Xv, Yv where Yv= |
| A. | yvmin +(yw+ywmin )sx |
| B. | yvmin +( yw-ywmin )sy |
| C. | xvmin -( yw+ywmin )sx |
| D. | yvmin -( yw-xwmin )sy |
| Answer» B. yvmin +( yw-ywmin )sy | |
| 133. |
In viewing transformation perform _____ transformation that scales the window area to the size of the view port |
| A. | translation |
| B. | rotation |
| C. | scaling |
| D. | shear |
| Answer» C. scaling | |
| 134. |
In viewing transformation perform scaling transformation that scales the _____ area to the size of the ______ |
| A. | window, viewport |
| B. | viewport, window |
| C. | window, screen |
| D. | screen, viewport |
| Answer» A. window, viewport | |
| 135. |
In viewing transformation _____the scaled window area to the position of the viewport. |
| A. | rotate |
| B. | translate |
| C. | shear |
| D. | scale |
| Answer» B. translate | |
| 136. |
A window with 6 clipping boundaries can be considered under___ clipping. |
| A. | generalised |
| B. | window |
| C. | viewport |
| D. | none |
| Answer» A. generalised | |
| 137. |
In _____ clipping , cliiping routine can be performed along any line. |
| A. | viewport |
| B. | window |
| C. | generalised |
| D. | none |
| Answer» C. generalised | |
| 138. |
Generalised clipping algorithm deals with clipping against _____ line. |
| A. | horizontal |
| B. | veritical |
| C. | arbitrary |
| D. | both horizontal & vertical |
| Answer» C. arbitrary | |
| 139. |
Generalised clipping algorithm deals with clipping against _____ line. |
| A. | only horizontal |
| B. | only veritical |
| C. | arbitrary |
| D. | both horizontal & vertical |
| Answer» C. arbitrary | |
| 140. |
What will be the output set after clipping left and clipping right? |
| A. | 1 2 3 4 6 7 8 9 10 11 11’ and 1’2 3 4 5’ 6’ 7 8 9 10 11 11’ |
| B. | 1’ 2 3 4 6 7 8 9 10 11 11’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| C. | 1 2 3 4 6 7 8 9 10 11 11’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| D. | 1’ 2 3 4 6 7 8 9 10 11 11’ and 2 3 4 5’ 6’ 7 8 9 10 11 11’ 1’ |
| Answer» D. 1’ 2 3 4 6 7 8 9 10 11 11’ and 2 3 4 5’ 6’ 7 8 9 10 11 11’ 1’ | |
| 141. |
What will be the input set for clipping left and clipping right respectively? |
| A. | 1 2 3 4 6 7 8 9 10 11 and 1’ 2 3 4 6 7 8 9 10 11 11’ |
| B. | 1 2 3 4 6 7 8 9 10 11 and 1’2 3 4 5’ 6’ 7 8 9 10 11 11’ |
| C. | 1’ 2 3 4 6 7 8 9 10 11 11’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| D. | 1 2 3 4 6 7 8 9 10 11 11’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| Answer» A. 1 2 3 4 6 7 8 9 10 11 and 1’ 2 3 4 6 7 8 9 10 11 11’ | |
| 142. |
In 8 connected region if one pixel is (x,y) then remaining neighboring pixels |
| A. | (x+1, y ) (x-1,y) (x,y+1) (x,y-1) (x-1,y-1) (x-1, y+1) (x+1, y-1) (x+1, y+1) |
| B. | (x+1, y ) (x-1,y) (x,y+1) (x,y) (x-1,y-1) (x-1, y+1) (x+1, y-1) (x+1, y+1) |
| C. | (x-1,y-1) (x-1, y+1) (x+1, y-1) (x+1, y+1) |
| D. | (x+1, y ) (x-1,y) (x,y+1) (x,y-1) (x-1,y-1) |
| Answer» A. (x+1, y ) (x-1,y) (x,y+1) (x,y-1) (x-1,y-1) (x-1, y+1) (x+1, y-1) (x+1, y+1) | |
| 143. |
What will be input set to clipping top and clipping bottom respectively? |
| A. | 2 3 4 5’ 6’ 7 8 9 10 11 11’ 1’ and 3’ 4’ 4 5’ 6’ 7 8 9 10 11 11’ 1’ 2 |
| B. | 1 2 3 4 6 7 8 9 10 11 11’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| C. | 2 3 4 5’ 6’ 7 8 9 10 11 11’ 1’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| D. | 1 1’ 2 3 4 6 7 8 9 10 11 11’ and 3’ 4’ 4 5’ 6’ 7 8 9 10 11 11’ 1’ 2 |
| Answer» A. 2 3 4 5’ 6’ 7 8 9 10 11 11’ 1’ and 3’ 4’ 4 5’ 6’ 7 8 9 10 11 11’ 1’ 2 | |
| 144. |
What will be clipped polygon vertices? |
| A. | 4’ 4 ‘5’ 6’ 7 7’ 8’ 9 9’ 10’ 11 11’ 1’ 2 3’ |
| B. | 1’2 3’ 4’4 5’6’ 7 7’8’ 9’ 10’ 11 11’ |
| C. | both a and b |
| D. | neither a or b |
| Answer» C. both a and b | |
| 145. |
What will be the input set for clipping right and for clipping top respectively? |
| A. | 1’ 2 3 4 6 7 8 9 10 11 11’ and 2 3 4 5’ 6’ 7 8 9 10 11 11’ 1’ |
| B. | 1 2 3 4 6 7 8 9 10 11 11’ and 1’2 3 4 5’ 6’ 7 8 9 10 11 11’ |
| C. | 1’ 2 3 4 6 7 8 9 10 11 11’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| D. | 1 2 3 4 6 7 8 9 10 11 11’ and 1 1’ 2 3 4 6 7 8 9 10 11 11’ |
| Answer» A. 1’ 2 3 4 6 7 8 9 10 11 11’ and 2 3 4 5’ 6’ 7 8 9 10 11 11’ 1’ | |
| 146. |
Following are coordinates of clipping window : Lower Left Corner (10,10) and Upper Right Corner (1,1). Whether a point at (5,50) is visible or not? |
| A. | visible |
| B. | partially visible |
| C. | completely exterior |
| D. | none of the above |
| Answer» C. completely exterior | |
| 147. |
Following are coordinates of clipping window : Lower Left Corner (10,10) and Upper Right Corner (1,1). Whether a point at (75,90) is visible or not? |
| A. | visible |
| B. | partially visible |
| C. | completely exterior |
| D. | none of the above |
| Answer» A. visible | |
| 148. |
Following are coordinates of clipping window : Lower Left Corner (10,10) and Upper Right Corner (1,1). What is the outcode of point (150,50)? |
| A. | 10 |
| B. | 10 |
| C. | 1 |
| D. | 110 |
| Answer» A. 10 | |
| 149. |
Following are coordinates of clipping window : Lower Left Corner (20,20) and Upper Right Corner (200,200). What is the outcode of point (75,250)? |
| A. | 110 |
| B. | 1 |
| C. | 0 |
| D. | 10 |
| Answer» D. 10 | |
| 150. |
Following are coordinates of clipping window : Lower Left Corner (20,20) and Upper Right Corner (200,200). A line has end coordinates as (5,50) and (75,90). What will be the outcodes associated with line segment? |
| A. | 0110, 0000 |
| B. | 0001, 0000 |
| C. | 0000, 0010 |
| D. | 0000,10 |
| Answer» B. 0001, 0000 | |
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