Operator interaction directly with the CRT is accomplished via:

CRT হল একটি ---

A

Bus

B

Printer

C

Keyboard

D

Monitor

Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?

A

Direct view storage tube

B

Raster scan CRT

C

Refresh-vector CRT

D

Stroke CRT

E

None of the above

The raster CRT eliminates:

A

flicker and slow update

B

slow update only

C

flicker only

D

has no effect

E

None of the above

Resolution in a CRT refers to:

A

the speed at which the monitor can accept data from the computer

B

the number of phosphor dots that react when hit by the electron beam

C

the number of addressable elements on the tube

D

the number of pixels in each square centimeter

E

None of the above

If the negative potential on the control grid of CRT is increased, the intensity of spot ___________.

A

Is increased

B

Is decreased

C

Remains the same

D

None of the above

The materil used to coat inside the face of CRT is ___________.

A

Carbon

B

Sulphur

C

Silicon

D

Phosphorous

Which device uses much less computer time than the light pen and gives resolutions equal to that of the CRT display.

A

Mouse

B

Touch tablet

C

Touch panel

D

Data tablet

E

None of the above

Which of the following is not a part of a CRT ?

A

Phosphor screen

B

Shadow mask

C

Electron gun

D

Gas plasma

Which step should you perform first before discharging a CRT?

A

Remove the CRT from its housing

B

Disconnect the CRT from the computer

C

Remove the video assembly

D

Turn power off before removing power source

E

None of the above

The refresh-vector CRT uses which of the following techniques?

A

The beam constantly travels across the screen to turn on/off a series of pixels.

B

Makes changes on the image by increasing the anode voltage.

C

Uses an electron gun to continuously flood the surface of the tube.

D

Creates images on the screen by scanning straight-line vectors between selected points.

E

None of the above

Operator interaction directly with the CRT is accomplished via:

Related Questions