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June 24, 2016

Computer Knowledge Expected Questions (The Desktop & I/O Devices) - Set 2

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  1. TFT stands for __________ 
    1. Thin Film Transistor
    2. Tele Film Transistor
    3. Temporary Film Transistor
    4. None of these
  2. ELD stands for ________
    1. Electro Luminescent Display 
    2. Electro Language Display
    3. Elementary Luminescent Display
    4. None of these
  3. Which of the following are basic colours ?
    1. Red, Blue
    2. Blue, Red
    3. Green, Blue
    4. All of the above
  4. RGB stands for ___________
    1. Red, Green, Blue
    2. Roman, Greek, Britian
    3. Root Gaming Board
    4. Rough Guillotine Blast 
  5. RLE stands for ___________
    1. Red Length Encoding
    2. Roman Length Encoding
    3. Run Length Encoding
    4. None of these
  6. Which is the more common input device for graphics ?
    1. Keyboard
    2. Mouse
    3. Cursor
    4. All of these
  7. Each roller is attached to wheel called as __________
    1. An encoder
    2. A Decoder
    3. An Evaluater
    4. None of these
  8. ______________ are very commonly used to generate hard copy reports ?
    1. Scanners
    2. Printers
    3. Keyboards
    4. None of these

  9. When a document is not printed, and is instead used directly from the disk it is called as __________
    1. Hard copy
    2. Soft copy
    3. Cardless copy
    4. None of these
  10. DMP stands for ________
    1. Dot Matrix Printer
    2. Daisy Wheel Printer
    3. Daisy Matrix Printer
    4. None of these
  11.  Which printer produces about 3000 to 2,500 lines output per minute ?
    1. Dot Matrix Printer
    2. Daisy Wheel Printer
    3. Line Printer
    4. Chain Printer
  12. _______________ is an example of an input device ?
    1. Plotter
    2. VDU
    3. Mouse
    4. Printer
  13. The principle of colours is based on ________________
    1. RGB
    2. GYN
    3. RBY
    4. YBV
  14. When we press a key on a keyboard the _________________ code is generated internally ?
    1. Key
    2. Scan
    3. Map
    4. ASCII
  15. LCD Screens are generally used in ___________
    1. Desktops
    2. Servers
    3. Laptops
    4. Mainframe clients
Ashish Tiwari
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