COMPUTER GRAPHICS - COMPUTER GRAPHICS BCA III Sem Multiple...

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COMPUTER GRAPHICS BCA III Sem Multiple choice questions 1. Smallest size object that can be displayed on a monitor is called ..................... a) Picture element b) Point c)Dot Pitch d) aspect ratio Ans: Picture element 1. Each screen point is referred to as ......................... a) Resolution b)Pixel c)Persistence d)Dot Pitch Ans: Pixel 3. On a monochromatic monitor, the frame buffer is known as ...................... a) Display file b) Pixmap c) Bitmap d) Refresh buffer Ans: Bitmap 4. On a color monitor, the refresh buffer is also called ..................... a)Frame buffer b)Pixmap c)Bitmap d)Display file Ans: Pixmap 5. .................. refers to pixel spacing. a)Pixmap b)Resolution c)Pixel depth d)Persistence Ans: Resolution 6. The distance from one pixel to the next pixel is called ........... a)Resolution b)Dot Pitch c)Pixmap d)ppi Ans: Resolution 7. The maximum number of points that can be displayed without overlap on a CRT a)Aspect Ratio b)Resolution c)Brightness d)Pixel Ans: Resolution 8. ..................... is the number of points per centimeter that can be plotted horizontally and vertically. a)Aspect Ratio b)Pixel Depth c)Resolution d)Dot Pitch Ans: Resolution
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9. ...................... is the ratio of horizontal points to vertical points necessary to produce equal length lines in both direction. a)Dot Pitch b)Resolution c)Aspect Ratio d) Height-Width Ratio Ans: Aspect Ratio
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10. Identify the odd one out from the following a)Frame Buffer b)Pixmap c)Display program d)Refresh Buffer Ans: Pixmap 11. The shortest distance between any two dots of the same color is called ................... a)Resolution b)Dot Pitch c)Pixel Depth d)ppi Ans: Dot Pitch 12. The standard aspect ratio for PC is ................. a) 6:5 b) 4:3 c)3:2 d)5:3 Ans: 4:3 13. In CRT, the electron intensity is adjusted using ................. a) Accelerating anode b) Control grid c) Electron gun d) Focusing anode Ans: Control grid 14. Brightness of a display is controlled by varying the voltage on the ...................... a) Focusing anode b)Connection pins c)Control grid d)Power supply Ans: Control grid 15. Lower persistence phosphorus is used in a) Animation b) Simple object c) Complex object d) All of these Ans: Animation 16. Lower persistence phosphorus needs_________ refresh rate a) Lower b)Higher c)Medium d)None of these Ans: Higher 17.. Higher persistence phosphorus needs _________ refresh rate a) Lower b)Higher c)Medium d)None of these Ans: Lower 18. Higher persistence phosphorus is used in a) Animation b) Simple object c) High Complex object d) All of these Ans: High Complex object 15. Memory area holding the intensity information of an image is called .............. a)Refresh buffer b)Font cache c)Picture definition d)Video controller Ans: Refresh buffer 16. Intensity representation of an image is called ...................... a)Frame buffer b)Picture definition c)Display list d)Brightness Ans: Picture definition 17. The purpose of refreshing a CRT is ..........................
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a)To avoid flickering b)To maintain steady picture c)To avoid fading of pixels d)All of the above Ans: All of the above 18. The fly-back of electron beams from one scanline to next is known as ....................
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