McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Science in Information Technology TY (BSc IT) , Bachelor of Science in Information Technology (BSc IT) , Bachelor of Science in Computer Science (BSc CS) .
| 51. |
In DUST , is there refresh buffer |
| A. | yes |
| B. | no |
| C. | both |
| D. | none |
| Answer» B. no | |
| 52. |
The electron beam in DUST is designed to draw directly to |
| A. | phosphor |
| B. | storage mesh |
| C. | glass |
| D. | none |
| Answer» B. storage mesh | |
| 53. |
The second grid in DUST is called |
| A. | phosphor |
| B. | storage mesh |
| C. | collector |
| D. | none |
| Answer» C. collector | |
| 54. |
To increase the energy of these slow moving electron and create a bright picture in DUST , the screen is maintained at a |
| A. | low positive potential |
| B. | high negative potential |
| C. | high positive potential |
| D. | none |
| Answer» C. high positive potential | |
| 55. |
A major disadvantage of DUST in interactive computer graphics is |
| A. | ability to selectively erase part of an image |
| B. | inability to selectively erase part of image from screen |
| C. | inability to produce bright picture |
| D. | none |
| Answer» B. inability to selectively erase part of image from screen | |
| 56. |
Interactive graphics is useful in |
| A. | training pilots |
| B. | computer aided design |
| C. | process control |
| D. | all of these |
| Answer» D. all of these | |
| 57. |
The origin of computer graphics was developed in |
| A. | 1950 |
| B. | 1960 |
| C. | 1970 |
| D. | 1990 |
| Answer» A. 1950 | |
| 58. |
The term business graphics came into use in late |
| A. | 1950 |
| B. | 1960 |
| C. | 1970 |
| D. | 1990 |
| Answer» C. 1970 | |
| 59. |
Computer graphics is used in many DTP software as |
| A. | photoshop |
| B. | paint brush |
| C. | both a & b |
| D. | none of these |
| Answer» C. both a & b | |
| 60. |
Any CRT based display must be refreshing at least_______ times a second |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | 10 |
| Answer» B. 30 | |
| 61. |
The standardization is needed |
| A. | to make application programs more portable |
| B. | to increase their utility |
| C. | to allow them to use in different application environment |
| D. | all of these |
| Answer» D. all of these | |
| 62. |
GKS stands for |
| A. | graphics kernel system |
| B. | graphics kernel stands |
| C. | generic kernel system |
| D. | none of these |
| Answer» A. graphics kernel system | |
| 63. |
GKS was developed by the |
| A. | international standards organization |
| B. | national standard organization |
| C. | both a & b |
| D. | none of these |
| Answer» C. both a & b | |
| 64. |
The resolution of raster scan display is |
| A. | low |
| B. | high |
| C. | medium |
| D. | none |
| Answer» A. low | |
| 65. |
Random scan systems are designed for |
| A. | line drawing application |
| B. | pixel drawing application |
| C. | color drawing application |
| D. | none of these |
| Answer» A. line drawing application | |
| 66. |
Solid pattern in random scan display is ____ to fill |
| A. | difficult |
| B. | easy |
| C. | not fill |
| D. | none of these |
| Answer» A. difficult | |
| 67. |
Raster scan is _______ expensive than random scan |
| A. | more |
| B. | less |
| C. | both a & b |
| D. | none |
| Answer» B. less | |
| 68. |
Two basic technique for producing color display with a CRT are |
| A. | shadow mask and random scan |
| B. | beam penetration method and shadow mask method |
| C. | random scan and raster scan |
| D. | none of above |
| Answer» B. beam penetration method and shadow mask method | |
| 69. |
In beam penetration method of color CRT, two layer of phosphor coated are |
| A. | red and blue |
| B. | red and green |
| C. | blue and green |
| D. | none of these |
| Answer» B. red and green | |
| 70. |
In beam penetration method of color CRT, which layer is red and which is green |
| A. | outer is red and inner is green |
| B. | inner is red and outer is green |
| C. | inner is red and inner is green |
| D. | none |
| Answer» B. inner is red and outer is green | |
| 71. |
A shadow mask CRT has _____ phosphor color dots at each pixel position |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | none of these |
| Answer» C. 3 | |
| 72. |
Which color is produced with the green and red dots only |
| A. | blue |
| B. | yellow |
| C. | magenta |
| D. | white |
| Answer» B. yellow | |
| 73. |
Which colors produced with the blue and red dots |
| A. | blue |
| B. | yellow |
| C. | magenta |
| D. | white |
| Answer» C. magenta | |
| 74. |
Cyan color is produced when the blue and green are activated |
| A. | equally |
| B. | unequally |
| C. | both a & b |
| D. | none |
| Answer» A. equally | |
| 75. |
Which technique of color CRT is used for production of realistic image |
| A. | shadow mask method |
| B. | beam penetration method |
| C. | both a & b |
| D. | none of these |
| Answer» A. shadow mask method | |
| 76. |
In which method of CRT, convergence problem occur |
| A. | beam penetration method |
| B. | shadow mask method |
| C. | both a & b |
| D. | none of these |
| Answer» B. shadow mask method | |
| 77. |
Beam penetration method is used in |
| A. | random scan system |
| B. | raster scan system |
| C. | both a & b |
| D. | none of these |
| Answer» A. random scan system | |
| 78. |
Shadow mask method is used in |
| A. | random scan system |
| B. | raster scan system |
| C. | both a & b |
| D. | none of these |
| Answer» B. raster scan system | |
| 79. |
Graphics data is computed by processor in form of |
| A. | electrical signals |
| B. | analog signals |
| C. | digital signals |
| D. | none of these |
| Answer» A. electrical signals | |
| 80. |
An example of impact device is |
| A. | electrostatic printer |
| B. | inkjet printer |
| C. | line printer |
| D. | laser printer |
| Answer» C. line printer | |
| 81. |
To generate the characters , which are required |
| A. | hardware |
| B. | software |
| C. | both a & b |
| D. | none of these |
| Answer» C. both a & b | |
| 82. |
The method which uses array of dots for generating a character is called |
| A. | stoke method |
| B. | bitmap method |
| C. | star bust method |
| D. | none of these |
| Answer» B. bitmap method | |
| 83. |
The hardware devices contain |
| A. | color printer / black white printer |
| B. | plotters |
| C. | both a & b |
| D. | none |
| Answer» C. both a & b | |
| 84. |
An example of black and white laser printer is |
| A. | hp 4000 |
| B. | qms |
| C. | both a & b |
| D. | none |
| Answer» A. hp 4000 | |
| 85. |
An example of color printer is |
| A. | hp 4000 |
| B. | qms |
| C. | both a & b |
| D. | none |
| Answer» B. qms | |
| 86. |
Non impact use various techniques to combine three color pigment ______ to produce a range of color patterns |
| A. | cyan , magenta and yellow |
| B. | cyan , white and black |
| C. | cyan , white and yellow |
| D. | black , magenta and yellow |
| Answer» A. cyan , magenta and yellow | |
| 87. |
Printers produce output by either |
| A. | impact method |
| B. | non impact method |
| C. | both a & b |
| D. | none of these |
| Answer» C. both a & b | |
| 88. |
What is name of temporary memory where the graphics data is stored to be displayed on screen |
| A. | ram |
| B. | rom |
| C. | frame buffer |
| D. | none |
| Answer» C. frame buffer | |
| 89. |
The division of the computer screen into rows and columns that define the no. of pixels to display a picture is called |
| A. | persistence |
| B. | resolution |
| C. | encapsulated post script |
| D. | none |
| Answer» B. resolution | |
| 90. |
LCD means |
| A. | liquid crystal displays |
| B. | liquid crystal data |
| C. | liquid chrome data |
| D. | none |
| Answer» A. liquid crystal displays | |
| 91. |
LCD are commonly used in |
| A. | calculators |
| B. | portable |
| C. | laptop computers |
| D. | all of these |
| Answer» D. all of these | |
| 92. |
LCD is an ______ device |
| A. | emissive |
| B. | non emissive |
| C. | gas discharge |
| D. | none of these |
| Answer» B. non emissive | |
| 93. |
Plasma panel is an __ device |
| A. | emissive |
| B. | non emissive |
| C. | expensive |
| D. | none |
| Answer» B. non emissive | |
| 94. |
Plasma device converts |
| A. | electrical energy into light |
| B. | light into electrical energy |
| C. | light into graphical energy |
| D. | none of these |
| Answer» B. light into electrical energy | |
| 95. |
Plasma panel have_________ resolution |
| A. | high |
| B. | good |
| C. | both a & b |
| D. | low |
| Answer» C. both a & b | |
| 96. |
Plasma panel are also called |
| A. | liquid crystal display |
| B. | gas discharge display |
| C. | non emissive display |
| D. | none of these |
| Answer» B. gas discharge display | |
| 97. |
The basic graphical interactions are |
| A. | pointing |
| B. | positioning |
| C. | both a & b |
| D. | none |
| Answer» B. positioning | |
| 98. |
Which one is the basic input device in GUI |
| A. | mouse |
| B. | graphics tablet |
| C. | voice system |
| D. | touch panel |
| Answer» A. mouse | |
| 99. |
Pen or inkjet plotters use the following devices |
| A. | drum |
| B. | flat bed |
| C. | both a & b |
| D. | none of these |
| Answer» C. both a & b | |
| 100. |
Which color s produced with the blue and red dots |
| A. | blue |
| B. | yellow |
| C. | magenta |
| D. | white |
| Answer» C. magenta | |
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