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Assignment 4 - 14100_418
Assignment 4-Cont. - 14100_420

Fire Controlman Volume 03-Digital Data Systems
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4-11. For referencing input power aboard ship, which of the following documents should you use? 1.  MIL-STD-1399,  Section  300A 2.  MIL-STD-480 3. MIL-HDBK-411 4. Each of the above 4-12. Where does the input line voltage go before it is received by the transformer section of the computer’s power supply? 1.  To  the  rectifier  section 2. To the ON/OFF switch 3. To the blower fan 4. To the filter section IN ANSWERING QUESTIONS 4-13 THROUGH 4-20, SELECT THE POWER SUPPLY SECTION THAT MATCHES THE CHARACTERISTIC DESCRIBED IN EACH  QUESTION. 1.  Regulator 2.   Rectifier 3.   Filter 4.  Transformer 4-13. Isolates the power supply from the input line voltage. 4-14. Provides regulated power to additional circuits for further filtering and/or conversion. 4-15. Converts an ac input signal to pulsating dc voltage or ripple. 4-16. Steps up the input line voltage. 4-17. Maintains the output of the power supply at a constant level. 4-18. Provides the necessary power for the bus system terminating resistors. 4-19. Removes pulsating dc ripple and produces a useable dc voltage. 4-20. Provides dc power to the backplane wire harness, and to remote, operator, and maintenance consoles. 4-21. The voltage levels and logic convention for mainframe and minicomputers are identical. 1.   True 2.   False 4-22. The output of the computer’s power supply can be distributed by which of the following sections? 1. Rectifier only 2. Regulator only 3.  Both  rectifier  and  regulator 4.   Filter 4-23. The power supply must protect the computer from which of the following elements? 1. Incoming power 2. Distributed power 3. Internal cabinet and/or module temperature 4. All of the above 4-24. A power supply will shut off while the computer is running under what condition(s), if any? 1. A low overtemperature condition 2. A high overtemperature condition only 3. A high overtemperature condition and an overcurrent  condition 4.   None IN ANSWERING QUESTIONS 4-25 THROUGH 4-31, SELECT FROM THE FOLLOWING LIST THE SIGNAL GENERATED UNDER THE SPECIFIC CONDITION DESCRIBED IN EACH QUESTION. 1. POWER INTERRUPT (PI) 2. MASTER CLEAR (MC), AUTOMATIC 3.   STOP 4-25. Used for computer initialization after power has been  applied. 4-26. Source power falls below specifications and returns to normal. 4-27. Generates a class I interrupt. 4-28. Logic power goes out of tolerance. 23






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