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Who among the following developed the CRT (Cathode Ray Tube)?

A. Charles Darwin

B. Ferdinand Barun

C. Thomas Alva Edison

D. None of the above

Correct Answer :

B. Ferdinand Barun


The Ferdinand Barun of Strasbourg developed the Cathode Ray Tube (CRT) in 1897.

Related Questions

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A most suitable feature of a Graphics Card is to,

A. Send graphical data to the output unit

B. Receive graphical data to the input unit

C. Send graphical data from output unit

D. Receive graphical data to the output device

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4

Raster scan systems generally use ___ to display an image.

A. Frame buffer

B. Display controller

C. Display file program

D. None of the These

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4

In Bressenhams line algorithm, there are certain conditions for deciding the successive parameters. Of the distances d1

A. Positive

B. Equal

C. Negative

D. Can be any of the above

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4

In which of the following parts of the cathode ray tube, is a huge amount of heat released to the cathode by directing a current through a coil of wire?

A. Electron gun

B. Phosphorus coated tube

C. Filament

D. Anode and cathode

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4

Which among the following is best suited for a realistic shaded image drawing on the screen?

A. Random Scan Display Algorithm

B. Raster Scan Display Algorithm

C. Both a. and b.

D. None of the above

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4

With reference to Random Scan Display the beam of electron moves to the left top corner of the screen to move to another frame. This motion is referred to as ___

A. Vertical retrace

B. Horizontal retrace

C. Scan line

D. All of the above mentioned

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4

What is a necessary to specify to generate rotation?

A. Specific distances between dx and dy

B. Rotation angle ?

C. Scaling

D. Repositioning

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4

Which of the following is true with respect to the Bresenham's line drawing algorithm?

A. It overcomes the drawbacks of DDA line drawing algorithm

B. The DDA algorithm was proposed to overcome the limitations of Bresenham's line drawing algorithm

C. Both a. and b.

D. None of the above

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Which of the following properties is followed by the Bresenham's algorithm?

A. It is an incremental method

B. It chooses points randomly

C. It uses floating point operations

D. All of the above

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4

Which of the following ports resembles the coordinates from the real-world system?

A. Window port

B. View Port

C. Universal Port

D. None of the above

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4

A video display device with the smallest height, lowest power usage, and lightest weight is -

A. LED display device

B. CRT display device

C. Flat panel display device

D. None of the above mentioned

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4

The main role of a frame buffer is the ___ of the video signals that drive the display device.

A. Storage, conditioning, and output

B. Same speed

C. Different speed

D. None of the mentioned above

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4

Which of the following is a matrix form of 2D translation equation is,

A. P'=R*P

B. P'= P + R

C. P'= P / R

D. None of the above mentioned

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4

A line segment of a polygon may also be referred as,

A. Line

B. Vertices

C. Edges

D. All of the mentioned above

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4

What is the range of the pixels in a Grayscale images?

A. 0 - 1

B. 0 - 255

C. 0 - 210

D. None of the above

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4

Translation equation:x1 = x + Txy1 = y + TyWhat is another name for the Translation pair (Tx, Ty)?

A. Shift Vector

B. Shift Coordinates

C. Translation points

D. None of the above

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4

Can we represent multiple scenes from a real-world coordinate system on the viewport? If yes, how?

A. By using multiple viewports

B. By using multiple window ports

C. Both a. and b.

D. No, we cannot represent multiple scenes from a real-world coordinate system on the viewport

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Which controller is used in the frame buffer?

A. Display controller

B. Data controller

C. Digital controller

D. None of the above mentioned

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4

An efficient transformation method in which an object may shift form one coordinate position to any other coordinate position in a three-dimensional plane -

A. Rotation

B. Translation

C. Scaling

D. All of the mentioned above

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4

What is the pixel range for an RGB image?OrWhat is the minimum and maximum possible value for each of the pixels of an RGB image?

A. 0 - 23

B. 0 - 224

C. 0 - 1

D. None of the above

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4

What are the fundamental characteristics of a straight line?

A. Width

B. Color

C. Type

D. All of the mentioned above

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Which of the following options is not correct according to the definition of Computer Graphics?

A. Computer Graphics is used for animation purposes.

B. Computer graphics can be used to provide better user interface.

C. Computer graphics can improve the sound quality of a video

D. None of the above

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4

Amongst which one of the most basic transformation methods which may applied in three-dimensional planes -

A. Rotation

B. Translation

C. Scaling

D. All of the mentioned above

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The transformation set is also known as,

A. Translation difference

B. Rotation colour model

C. Colour Mapping Functions

D. None of these

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4

In which of the following transformation methods of Computer Graphics is the Shape of the Object not deformed?

A. Translation

B. Shearing

C. Both a. and b.

D. None of the above

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Which display device allows a user to move around an object and can be shown it from different angles?

A. Flat Panel Display Devices

B. Direct View Storage Tubes

C. 3D Devices

D. CRT

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4

A graphic systems core hardware components are,

A. Display Processor and CPU

B. Output device and Input

C. Display devices, recorder

D. None of above mentioned

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CRT stands for,

A. Cathode Random Tunnel

B. Cathode Ray Tube

C. Cathode Random Tube

D. Cathode Ray Tunnel

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Which of the following best defines Scan Conversion in computer graphics?

A. It is a process of representing graphics objects as a collection of pixels

B. It is a process of converting colored images to grayscale images.

C. It is a process of converting handmade drawing to computer pictures through a scanner

D. None of the above

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What are Random scan and Raster scan techniques?

A. Techniques to display an image on the screen

B. Line Drawing Techniques

C. Polygon Drawing Techniques

D. None of the above