MCQOPTIONS
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MCQOPTIONS
This section includes 28 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Graphics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is ZUI in computer Graphics ? |
| A. | Logical Enhancement of GUI |
| B. | A Widget |
| C. | An application that saves memory |
| D. | None of the above |
| Answer» C. An application that saves memory | |
| 2. |
The ......... simply reads each successive byte of data from the frame buffer? |
| A. | Display Controller |
| B. | Digital Controller |
| C. | Data Controller |
| D. | All of above |
| Answer» B. Digital Controller | |
| 3. |
The maximum number of points that can be displayed without overlap on a CRT is refereed to as ? |
| A. | Attenuation |
| B. | Persistence |
| C. | Resolution |
| D. | None of above |
| Answer» D. None of above | |
| 4. |
The SRGP package provides the __to wide the variety of display devices? |
| A. | connection |
| B. | way |
| C. | link |
| D. | interface |
| Answer» E. | |
| 5. |
........ used to regulate the flow of electrons in CRT ? |
| A. | Focusing electrode |
| B. | Electronic Gun |
| C. | Control electrode |
| D. | All of the above |
| Answer» D. All of the above | |
| 6. |
The major components of CRT are ? |
| A. | Phosphorous coated screen |
| B. | Control electrodes |
| C. | Deflection yoke and Electronic Gun |
| D. | All of the above |
| Answer» E. | |
| 7. |
In graphical user interface of operating system to point file user uses |
| A. | pointer |
| B. | common line interface |
| C. | file based interface |
| D. | voice based interface |
| Answer» B. common line interface | |
| 8. |
Display controller is not required for __? |
| A. | Display system with display controller |
| B. | display system with only frame buffer |
| C. | both (a) and (b) |
| D. | display system with color |
| Answer» C. both (a) and (b) | |
| 9. |
Which type of display is used in digital watches? |
| A. | CRT |
| B. | LED display |
| C. | HD display |
| D. | LCD display |
| Answer» E. | |
| 10. |
An LCD display mechanism that uses an individual transistor to control every pixel in the screen is called______________ |
| A. | passive matrix screen |
| B. | active matrix screen |
| C. | both (a) and (b) |
| D. | none of these |
| Answer» C. both (a) and (b) | |
| 11. |
Files and directories of graphical user interface of operating system programs are known as |
| A. | commands |
| B. | graphics |
| C. | text |
| D. | folders |
| Answer» E. | |
| 12. |
In a display specified as 600x400 the number of pixels across the display screen is? |
| A. | 600 |
| B. | 400 |
| C. | 240000 |
| D. | All of these |
| Answer» B. 400 | |
| 13. |
SVGA system displays? |
| A. | 800 X 640 |
| B. | 800 X 600 |
| C. | 800 X 400 |
| D. | 800 X 200 |
| Answer» C. 800 X 400 | |
| 14. |
The number of LED display indicators in logic probe are? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» D. 3 | |
| 15. |
The screen images is maintained by repeating scanning the same image. This process is known as___________ |
| A. | redisplay |
| B. | Redrawing |
| C. | both (a) and (b) |
| D. | refreshing of screen |
| Answer» E. | |
| 16. |
Natural language user interface can accept input in the form of |
| A. | string command |
| B. | speech |
| C. | image |
| D. | none of these |
| Answer» C. image | |
| 17. |
The purpose of refreshing a CRT is .......................... |
| A. | To avoid flickering |
| B. | To maintain steady picture |
| C. | To avoid fading of pixels |
| D. | All of the above |
| Answer» B. To maintain steady picture | |
| 18. |
The fly-back of electron beams from one scanline to next is known as .................... |
| A. | Vertical Retrace |
| B. | Horizontal Retrace |
| C. | Raster scanning |
| D. | Refreshing |
| Answer» C. Raster scanning | |
| 19. |
Gray scale is used in ? |
| A. | Monitor that have no color capability |
| B. | Monitor that have color capability |
| C. | Random scan display |
| D. | None of above |
| Answer» B. Monitor that have color capability | |
| 20. |
The typical aspect ratio of the CRT is? |
| A. | 0.8 |
| B. | 0.5 |
| C. | 0.2 |
| D. | 0.99 |
| Answer» B. 0.5 | |
| 21. |
Plasma panel are also called |
| A. | Liquid crystal display |
| B. | Gas discharge display |
| C. | Non emissive display |
| D. | emissive display |
| Answer» C. Non emissive display | |
| 22. |
Which one is the basic input device in GUI |
| A. | Mouse |
| B. | Graphics tablet |
| C. | Voice system |
| D. | Touch panel |
| Answer» B. Graphics tablet | |
| 23. |
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 | |
| 24. |
Plasma panel have_________ resolution. |
| A. | High |
| B. | Good |
| C. | Both a & b |
| D. | Low |
| Answer» D. Low | |
| 25. |
First graphical user interface used commercially was introduced in |
| A. | 1970 |
| B. | 1975 |
| C. | 1978 |
| D. | 1980 |
| Answer» C. 1978 | |
| 26. |
The visual language includes ___________ for representing visual sentences. |
| A. | Visual language |
| B. | Icons |
| C. | Both a & b |
| D. | None of these |
| Answer» D. None of these | |
| 27. |
Which type of user interface provide input by typing a string in the keyboard ? |
| A. | Graphical user interface |
| B. | Command line user interface |
| C. | Natural language interface |
| D. | Menu interface |
| Answer» C. Natural language interface | |
| 28. |
What is/are the main component / components of user interface ? |
| A. | Presentation language |
| B. | Action language |
| C. | Both a and b |
| D. | Only a |
| Answer» D. Only a | |