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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

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