Tiêu đề MCQ CGA Unit1 Introduction.pdf ✅

BCA 5 th Sem Computer Graphics and Animation Mechi Multiple Campus 1 Computer Graphics and Animation MCQ Questions and Answers Unit:1 Introduction Multiple Choice Questions and Answers 1. Smallest size object that can be displayed on a monitor is called : (a) Picture element (b) Point (c) Dot Pitch (d) Aspect ratio 2. Each screen point is referred to as: (a) Resolution (b) Pixel (c) Persistence (d) Dot Pitch 3. On a monochromatic monitor, the frame buffer is known as: (a) Display file (b) Pixmap (c) Bitmap (d) Display Command 4. On a color monitor, the refresh buffer is also called : (a) Display file (b) Pixmap (c) Bitmap (d) Display Command 5. The maximum number of points that can be displayed without overlap on a CRT (a) Aspect Ratio (b) Resolution (c) Brightness

BCA 5 th Sem Computer Graphics and Animation Mechi Multiple Campus 3 11. The purpose of refreshing a CRT is: (a) To avoid flickering (b) To maintain a steady picture (c) To avoid fading of pixels (d) All of the above 12. The fly-back of electron beams from one scan line to next is known as : (a) Vertical Retrace (b) Horizontal Retrace (c) Raster scanning (d) Refreshing 13. The return of electron beam to top left corner of the screen after one frame is called: (a) Horizontal fly-back (b) Vertical Fly-back (c) Scanning (d) None of these 14. In a raster scan display, the frame buffer holds: (a) Line drawing commands (b) Scanning instructions (c) Image Resolution (d) Intensity information 15. DVST stands for: (a) Digital View Storing Table (b) Direct Visual Storage Tube (c) Direct View Storage Tube (d) Digital View Storage Tube 16. Refreshing is not needed in DVST because of the presence of : (a) Primary gun
BCA 5 th Sem Computer Graphics and Animation Mechi Multiple Campus 4 (b) Flood gun (c) Focusing anode (d) Control grid 17. In DVST, the electron beam from primary electron gun strikes on __________. (a) Phosphor screen (b) Collector grid (c) Storage grid (d) Flood gun 18. Identify the features of DVST from the following. (a) Monochromatic, Flicker-free, Low resolution (b) Monochromatic, Flicker-free (c) Color screens, Refresh monitors, High resolution (d) Expensive, Low resolution 19. Which Color producing technique is more suitable for raster scan system? (a) Beam penetration technique (b) Shadow mask technique (c) All of these (d) None of these 20. Which Color producing technique is more suitable for random scan system? (a) Beam penetration technique (b) Shadow mask technique (c) All of these (d) None of these 21. Video devices with reduced volume, weight and power consumption are collectively known as: (a) Light weight monitors (b) Flat-panel displays