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TRB Computer Sciecne and Engineering Questions

TRB Model Questions
 
21. Computer Keyboard is an example of
 
  • A. Input device
  • B. Output device
  • C. Input and output both
  • D. None of these
Answer: A.
Input device
 
22. Following is not referred as input device
 
  • A. Keyboard
  • B. Mouse
  • C. Scanner
  • D. Printer
Answer: D.
Printer
 
 
23. Scanner and digital camera are example of
 
  • A. Output device
  • B. Input device
  • C. Music device
  • D. None of these
Answer: B.
Input device
 
24. It provides visual display of data ______
 
  • A. Printing
  • B. Data coding
  • C. Speech Recognition
  • D. Monitor or Video Display Unit(VDU)
Answer: D.
Monitor or Video Display Unit(VDU)