Computer Hardware and Networking/Graphics Hardware and Display devices Input Devices Sample Test,Sample questions

Question:
 Heat supplied to the cathode by directing a current through a coil of wire is called

1.Electron gun

2.Electron beam

3.Filament

4. Anode and cathode


Question:
 The devices which converts the electrical energy into light is called

1.Liquid-crystal displays

2.Non-emitters

3.Plasma panels

4.Emitters


Question:
 The maximum number of points that can be displayed without overlap on a CRT is referred as

1.Picture

2.Resolution

3.Persistence

4.Neither b nor c


Question:
 Which devices provides positional information to the graphics system ?

1.Input devices

2.Output devices

3.Pointing devices

4.Both a and c


Question:
Aspect ratio means

1.Number of pixels

2.Ratio of vertical points to horizontal points

3.Ratio of horizontal points to vertical points


Question:
In graphical system the array of pixels in the picture are stored in

1.Memory

2.Frame buffer

3.Processor

4.All of the mentioned


Question:
In LCD the refresh rate of the screen is

1.60 frames/sec

2.80 frames/sec

3.30 frames/sec

4.100 frames/sec


Question:
In which system the Shadow mask methods are commonly used

1.Raster-scan system

2.Random-scan system

3.Only b

4.Both a and b


Question:
On a black and white system with one bit per pixel the frame buffer is commonly called as

1.Pix map

2.Multi map

3.Bitmap

4.All of the mentioned


Question:
Potentiometers mounted at the base of the joystick measures

1.The amount of movement

2.The direction

3.Position

4.Resolution


Question:
Random-scan system mainly designed for

1.Realistic shaded screen

2.Fog effect

3.Line-drawing applications

4.Only b


Question:
Space ball provide________ degree of freedom.

1.10 degree

2.6 degree

3.8 degree

4.12 degree


Question:
The device which is used to position the screen cursor is

1.Mouse

2.Joystick

3.Data glove

4.Both a and c


Question:
The most commonly used input device is

1.Mouse

2.Keyboard

3.Scanner

4.Printer


Question:
The number of pixels stored in the frame buffer of a graphics system is known as

1.Resolution

2.Depth

3.Resalution

4.Only a


Question:
The primary output device in a graphics system is_________

1.Scanner

2.Video monitor

3.Neither a nor b

4.Printer


Question:
The process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer is called

1.Rasterization

2.Encoding

3.Scan conversion

4.True color system


Question:
Trackball is

1.Two-dimensional positioning device

2.Three- dimensional positioning device

3.Pointing device

4.None of the mentioned


Question:
Which display devices allows us to walk around an object and view it from different sides.

1.Direct view storage tubes

2.Three-dimensional devices

3.Flat panel display devices

4.Plasma panel display devices


Question:
Which is the ball that can be rotated with the fingers or palm of the hand?

1.Space ball

2.Trackball

3.Only a

4.oth b and c


Question:
Which keys allows user to enter frequently used operations in a single key stroke?

1.Function keys

2.Cursor control keys

3.Trackball

4.Control keys


Question:
______ is used for detecting mouse motion.

1.Optical sensor

2.Rollers on the bottom of mouse

3.Both a and b

4.Sensor


Question:
_______ is used for 3D positioning and modeling animation and other application.

1.Trackball

2.Spac ball

3.All of the mentioned

4.None of the mentioned


Question:
________ are used to measure dial rotations.

1.Potentiometers

2.Volta meter

3.Parameter

4.Only a


Question:
________ stores the picture information as a charge distribution behind the phosphor-coated screen.

1.Cathode ray tube

2.Direct-view storage tube

3.Flat panel displays

4.3D viewing device


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  6. Computer Hardware Quiz Set 4
  7. Computer Hardware Quiz Set 5
  8. Computer Hardware Quiz Set 6
  9. Computer Hardware Quiz Set 7
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