Question 1

Two basic technique for producing color display with a CRT are

Accepted Answer

A)   shadow mask and random scan
B)   beam penetration method and shadow mask method
C)   random scan and raster scan
D)   none of above B

Question 2

The second grid in DUST is called

Accepted Answer

A)   phosphor
B)   storage mesh
C)   collector
D)   none C

Question 3

The electron beam in DUST is designed to draw directly to

Accepted Answer

A)   phosphor
B)   storage mesh
C)   glass
D)   none B

Question 4

GKS stands for

Accepted Answer

A)   graphics kernel system
B)   graphics kernel stands
C)   generic kernel system
D)   none of these

Question 5

Random scan systems are designed for

Accepted Answer

A)   line drawing application
B)   pixel drawing application
C)   color drawing application
D)   none of these

Question 6

Which color is produced with the green and red dots only

Accepted Answer

A)   blue
B)   yellow
C)   magenta
D)   white

Question 7

A shadow mask CRT has _____ phosphor color dots at each pixel position

Accepted Answer

A)   1
B)   2
C)   3
D)   none of these

Question 8

In beam penetration method of color CRT, which layer is red and which is green

Accepted Answer

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

Question 9

Interactive graphics is useful in

Accepted Answer

A)   training pilots
B)   computer aided design
C)   process control
D)   all of these

Question 10

A major disadvantage of DUST in interactive computer graphics is

Accepted Answer

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

Question 11

In DUST , is there refresh buffer

Accepted Answer

A)   yes
B)   no
C)   both
D)   none

Question 12

Any CRT based display must be refreshing at least_______ times a second

Accepted Answer

A)   20
B)   30
C)   40
D)   10

Question 13

Which technique of color CRT is used for production of realistic image

Accepted Answer

A)   shadow mask method
B)   beam penetration method
C)   both a & b
D)   none of these

Question 14

Raster scan is _______ expensive than random scan

Accepted Answer

A)   more
B)   less
C)   both a & b
D)   none

Question 15

Cyan color is produced when the blue and green are activated

Accepted Answer

A)   equally
B)   unequally
C)   both a & b
D)   none

Question 16

The term business graphics came into use in late

Accepted Answer

A)   1950
B)   1960
C)   1970
D)   1990

Question 17

In beam penetration method of color CRT, two layer of phosphor coated are

Accepted Answer

A)   red and blue
B)   red and green
C)   blue and green
D)   none of these

Question 18

The standardization is needed

Accepted Answer

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

Question 19

The resolution of raster scan display is

Accepted Answer

A)   low
B)   high
C)   medium
D)   none

Question 20

Solid pattern in random scan display is ____ to fill

Accepted Answer

A)   difficult
B)   easy
C)   not fill
D)   none of these

Exam 3: Computer Graphics and CRT Displays