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
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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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