2a553a CDC Volume 6

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Comm/Nav CDC volume 6 UREs


Questions and Answers
  • 1. 
    What is the basic element in computer microchips?
    • A. 

      Aluminum

    • B. 

      Plastic

    • C. 

      Silver

    • D. 

      Silicon

  • 2. 
    Chips with circuits that can do the work of all the different parts of a computer are called
    • A. 

      Valves

    • B. 

      Microprocessors

    • C. 

      Circuit boards

    • D. 

      Microchips

  • 3. 
    In the computer complex, what type of gate sends a pulse only when it receives a pulse at both its terminals?
    • A. 

      OR

    • B. 

      GO

    • C. 

      NOR

    • D. 

      AND

  • 4. 
    What is the heart of the entire computer complex data processing system?
    • A. 

      Gate

    • B. 

      Terminal

    • C. 

      CPU

    • D. 

      Transistor

  • 5. 
    What controls the speed of a computer's activities?
    • A. 

      Input equipment

    • B. 

      Output equipment

    • C. 

      Clock

    • D. 

      Timer

  • 6. 
    What part of a computer acts like a sophisticated switchboard operator?
    • A. 

      Arithmetic unit

    • B. 

      Memory

    • C. 

      Control unit

    • D. 

      Logic unit

  • 7. 
    Where does the arithmetic/logic unit of a computer store the intermediate results of arithmetic operations?
    • A. 

      Circuits

    • B. 

      Registers

    • C. 

      Memory

    • D. 

      Buffers

  • 8. 
    In the computer complex, primary memory that usually cannot be erased is called
    • A. 

      Auxiliary

    • B. 

      ROM

    • C. 

      RAM

    • D. 

      Secondary

  • 9. 
    Random access memory is used to
    • A. 

      Store the results of computer calculations

    • B. 

      Provides secondary memory access

    • C. 

      Store computer operating information

    • D. 

      Provide auxiliary storage capabilities

  • 10. 
    Auxiliary storage in a computer refers to
    • A. 

      The size and capacity of storage

    • B. 

      Data processed through the main storage

    • C. 

      Specific storage locations

    • D. 

      Memory stored outside the computer

  • 11. 
    How many pixels per horizontal line does a video graphics array computer monitor have?
    • A. 

      800

    • B. 

      320

    • C. 

      640

    • D. 

      480

  • 12. 
    Using a text-based method to display characters and objects on a computer display refers to
    • A. 

      Displaying information in the form of printed characters

    • B. 

      The transformation of information from the CPU to the screen

    • C. 

      Utilizing Windows-based programs

    • D. 

      Displaying information in the form of individual dots

  • 13. 
    Which function is supported by the avionics control unit complex?
    • A. 

      Hydraulics

    • B. 

      Power plant

    • C. 

      Environmental controls

    • D. 

      Weapons delivery

  • 14. 
    What functions doe the two non-central avionics control units perform?
    • A. 

      Weapons delivery and engine

    • B. 

      Environmental and egress

    • C. 

      Terrain following and radar control

    • D. 

      Navigation and critical

  • 15. 
    The avionics control units are not equipped with
    • A. 

      A CPU

    • B. 

      An input/output controller

    • C. 

      A memory unit

    • D. 

      A print controller

  • 16. 
    Each central avionics control unit can be loaded from the
    • A. 

      Terrain following avionics control unit

    • B. 

      Preprocessor avionics control unit

    • C. 

      Central integrated test system

    • D. 

      Mass storage device

  • 17. 
    Which avionics control unit performs trajectory impact calculations to determine the weapon release point?
    • A. 

      Weapons delivery

    • B. 

      General navigation

    • C. 

      Critical data

    • D. 

      Control and display

  • 18. 
    If the critical data avionics control unit (ACU) is not available when one of the other ACUs fail, the ACU complex
    • A. 

      Reprograms the general navigation ACU to perform the critical data ACU functions and the mission continues

    • B. 

      Continues processing and the secondary mission is assumed

    • C. 

      Powers off automatically and the mission is aborted

    • D. 

      Continues processing the critical functions and the mission continues

  • 19. 
    The radar set is managed by the
    • A. 

      General navigation avionics control unit

    • B. 

      Weapons delivery ACU

    • C. 

      Terrain following ACU

    • D. 

      Critical data ACU

  • 20. 
    The radar data terminal operates in conjunction with the
    • A. 

      Critical data ACU

    • B. 

      General navigation ACU

    • C. 

      Terrain following ACU

    • D. 

      Weapons deliver ACU

  • 21. 
    How many redundant data buses are used in each ACU complex?
    • A. 

      7

    • B. 

      6

    • C. 

      4

    • D. 

      2

  • 22. 
    Which data bus is part of the avionics multiplex data buses?
    • A. 

      R2

    • B. 

      R1

    • C. 

      A

    • D. 

      T

  • 23. 
    How many ACU complex data buses have ground support equipment connectors
    • A. 

      6

    • B. 

      7

    • C. 

      2

    • D. 

      4

  • 24. 
    What data buses are used in the ACU complex
    • A. 

      1553B

    • B. 

      232B

    • C. 

      1553A

    • D. 

      232C

  • 25. 
    The data link terminals
    • A. 

      Impedance matching and transformer coupling

    • B. 

      Transformer coupling and data bus controlling

    • C. 

      Impedance matching and external equipment connections

    • D. 

      External equipment connections and data bus controlling

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