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  • Question
  • D/A (digital to analog) conversion:


  • Options
  • A. results in a binary code as the final output
  • B. has to be sampled at 1/2 the highest input frequency
  • C. must be fed through a filter to reproduce the original signal accurately
  • D. both (b) and (c)
  • E. None of the above

  • Correct Answer
  • must be fed through a filter to reproduce the original signal accurately 


  • Automation System problems


    Search Results


    • 1. The processing, which normally consists of a small computer with one or more peripheral devices, connected via a high-speed line to the large control computer is known as

    • Options
    • A. On-line processing
    • B. Remote-terminal processing
    • C. Batch mode processing
    • D. Intelligent terminal Processing
    • E. None of the above
    • Discuss
    • 2. The chosen language for the Japanese Fifth-Generation Compu¬ter Project is:

    • Options
    • A. LISP
    • B. FORTRAN
    • C. COBOL
    • D. PROLOG
    • E. None of the above
    • Discuss
    • 3. The robot:

    • Options
    • A. is very primitive at the present
    • B. represents the most powerful new industrial automation tool currently on the horizon
    • C. will be more useful when robot vision is improved significantly
    • D. All of the above
    • E. None of the above
    • Discuss
    • 4. In the instruction, 500 SUBA # 50 the command field is:

    • Options
    • A. 500
    • B. # 50000
    • C. SUBA
    • D. (b) and (c)
    • E. None of the above
    • Discuss
    • 5. The rate at which scanning is repeated is called the:

    • Options
    • A. stroke rate
    • B. refresh rate
    • C. bandwidth
    • D. resolution
    • E. None of the above
    • Discuss
    • 6. If a sine wave has a frequency of 500 Hz, the period in seconds of the sine wave is:

    • Options
    • A. 5000
    • B. 0.003
    • C. 0.02
    • D. 0.002.
    • E. None of the above
    • Discuss
    • 7. Artificial intelligence operates on the principle of using a _____ base as opposed to a data base.

    • Options
    • A. Character
    • B. Knowledge
    • C. PROLOG
    • D. LISP
    • E. None of the above
    • Discuss
    • 8. A display of a volume model that shows all of its edges is called a:

    • Options
    • A. surface model
    • B. 3-D model
    • C. wire-frame
    • D. solid model
    • E. None of the above
    • Discuss
    • 9. An encoder:

    • Options
    • A. is used to send telegraph signals
    • B. converts an input to a binary number
    • C. converts a binary number to a decimal number.
    • D. can have only four keys
    • E. None of the above
    • Discuss
    • 10. When one must sell a project to management, the most important document he or she can produce is a:

    • Options
    • A. method for financing the project
    • B. summary of the problem
    • C. project evaluation
    • D. procedure for purchase
    • E. None of the above
    • Discuss


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