Which signal path connecting the memory to the microprocessor must be bidirectional?

A) address bus B) control bus C) data bus D) all of the above


C

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The official written record of a business meeting is called the ____________________

Fill in the blank(s) with the appropriate word(s).

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Technician A says that to program EUI fuel flow rates to an ECM, some engines require a new engine file to be downloaded from the OEM data hub. Technician B says that failure to reprogram the calibration code on injector change-out can result is unlikely to cause any harm providing the engine runs smooth at idle after start-up. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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The three phases of diesel ignition include ________

A) Glow plug ignition, ignition delay, controlled combustion B) Slow burn, fast burn, slow burn C) Ignition delay, rapid combustion, controlled combustion D) Glow plug ignition, fast burn, slow burn

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In a parallel compressor system, oil often does not return at the same rate to all of the compressors because:

A) All the compressors do not use the same type of refrigerant oil. B) All the compressors do not operate for the same length of time. C) Parallel compressors are normally stacked vertically, so most of the returning oil returns to the crankcase of the bottom compressor. D) Only some of the compressors require oil return.

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