Deck 4: CRT, Printers, and Display Devices

Question 1

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 1

shadow mask method

Question 2

Beam penetration method is used in

A) random scan system
B) raster scan system
C) both a & b
D) none of these

Answer 2

random scan system

Question 3

Shadow mask method is used in

A) random scan system
B) raster scan system
C) both a & b
D) none of these

Answer 3

raster scan system

Question 4

Graphics data is computed by processor in form of

A) electrical signals
B) analog signals
C) digital signals
D) none of these

Question 5

An example of impact device is

A) electrostatic printer
B) inkjet printer
C) line printer
D) laser printer

Question 6

To generate the characters , which are required

A) hardware
B) software
C) both a & b
D) none of these

Question 7

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

Question 8

The hardware devices contain

A) color printer / black white printer
B) plotters
C) both a & b
D) none

Question 9

An example of black and white laser printer is

A) hp 4000
B) qms
C) both a & b
D) none

Question 10

An example of color printer is

A) hp 4000
B) qms
C) both a & b
D) none

Question 11

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

Question 12

Printers produce output by either

A) impact method
B) non impact method
C) both a & b
D) none of these

Question 13

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

Question 14

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

Question 15

LCD are commonly used in

A) calculators
B) portable
C) laptop computers
D) all of these

Question 16

LCD is an ______ device

A) emissive
B) non emissive
C) gas discharge
D) none of these

Question 17

Plasma panel is an __ device

A) emissive
B) non emissive
C) expensive
D) none

Question 18

Plasma device converts

A) electrical energy into light
B) light into electrical energy
C) light into graphical energy
D) none of these

Question 19

Plasma panel have_________ resolution

A) high
B) good
C) both a & b
D) low

Question 20

Plasma panel are also called

A) liquid crystal display
B) gas discharge display
C) non emissive display
D) none of these

Question 21

The basic graphical interactions are

A) pointing
B) positioning
C) both a & b
D) none

Question 22

Which one is the basic input device in GUI

A) mouse
B) graphics tablet
C) voice system
D) touch panel

Question 23

Pen or inkjet plotters use the following devices

A) drum
B) flat bed
C) both a & b
D) none of these

Question 24

Which color s produced with the blue and red dots

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