Computer Graphics (3150712) MCQs

MCQs of Basic of Computer Graphics

Showing 11 to 20 out of 35 Questions
1 2 3 4
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
Answer:

Option (d)

12.
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:

Option (b)

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
Answer:

Option (b)

14.
In a raster scan display, the frame buffer holds :
(a) Line drawing commands
(b) Scanning instructions
(c) Image Resolution
(d) Intensity information
Answer:

Option (d)

15.
DVST stands for :
(a) Digital View Storing Table
(b) Direct Visual Storage Tube
(c) Direct View Storage Tube
(d) Digital View Storage Tube
Answer:

Option (c)

16.
Refreshing is not needed in DVST because of the presence of :
(a) Primary gun
(b) Flood gun
(c) Focusing anode
(d) Control grid
Answer:

Option (b)

17.
In DVST, the electron beam from primary electron gun strikes on __________.
(a) Phosphor screen
(b) Collector grid
(c) Storage grid
(d) Flood gun
Answer:

Option (c)

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
Answer:

Option (b)

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
Answer:

Option (b)

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
Answer:

Option (a)

Showing 11 to 20 out of 35 Questions
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