1. The primary goal of Flood-Fill and Boundary-Fill algorithms is to A) Trace polygon outlines B) Compress images C) Fill a connected region with a specified color D) Compute polygon normals Answer: C 2. Boundary-Fill stops filling when it reaches a pixel with the A) Target color B) Boundary color C) Replacement color D) Background
1. The Scan-Line Polygon Fill Algorithm is primarily used to A) Draw outlines of polygons B) Fill the interior of polygons efficiently by processing one scan line at a time C) Draw circles D) Render text Answer: B 2. The main data structures used in the Scan-Line Fill Algorithm are A) Frame buffer and pixel
1. The main purpose of ellipse drawing algorithms is to A) Draw straight lines B) Generate rasterized ellipses efficiently using integer arithmetic C) Compute 3D models D) Fill polygons Answer: B 2. The midpoint ellipse algorithm is conceptually similar to which other algorithm? A) DDA B) Wu’s algorithm C) Midpoint circle algorithm D) Scanline polygon
1. The midpoint circle algorithm is used to A) Fill polygons B) Draw ellipses only C) Rasterize circles using integer arithmetic and symmetry D) Compute polygon normals Answer: C 2. The midpoint circle algorithm is a variant of which family of algorithms? A) Scanline polygon fill B) Bresenham-like incremental algorithms C) Clipping algorithms D) Texture
1. The principal goal of line drawing algorithms in raster graphics is to A) Compute polygon normals B) Fill polygons with color C) Determine which pixels best approximate the continuous line D) Compute lighting per vertex Answer: C 2. Which algorithm is known for using floating-point arithmetic and incremental updates? A) DDA (Digital Differential Analyzer)
1. In computer graphics, a point is represented by A) A single bit B) A pair of coordinate values (x, y) C) A pixel matrix D) A color code Answer: B 2. A line in 2D space is defined by the equation A) x² + y² = r² B) y = mx + c C)
1. In computer graphics, an input device is used to A) Display pixels B) Generate audio signals C) Provide data and control information to the computer D) Control the monitor brightness Answer: C 2. The most common text-based input device is the A) Light pen B) Mouse C) Keyboard D) Joystick Answer: C 3. The
1. The term “graphics monitor” refers to a device used to A) Capture visual data B) Store image data C) Display graphical images and text D) Process visual signals Answer: C 2. The earliest computer graphics monitors were based on A) LCD technology B) LED panels C) Cathode Ray Tube (CRT) D) OLED panels Answer:
1. A random-scan display is primarily optimized to draw A) Filled bitmaps B) Line-drawings and vector graphics C) Photorealistic textures D) Pixel-based animations Answer: B 2. Another common name for random-scan displays is A) Raster displays B) Bitmap displays C) Vector displays D) Pixel displays Answer: C 3. In a random-scan system the electron beam
1. In a raster-scan display, the screen image is generated by A) Drawing vectors directly B) Scanning the screen line by line from top to bottom C) Projecting polygons onto the screen D) Refreshing only changed regions Answer: B 2. The smallest addressable element of a raster display is a A) Bit B) Line C)
