3-E-039: Microprocessors
3-39E1:
In a microprocessor-controlled two-way radio, a “watchdog” timer:
Verifies that the microprocessor is executing the program.
Assures that the transmission is exactly on frequency.
Prevents the transmitter from exceeding allowed power out.
Connects to the system RADAR presentation.
3-39E2:
What does the term “DAC” refer to in a microprocessor circuit?
Digital to analog converter.
Dynamic access controller.
Digital access counter.
Dial analog control.
3-39E3:
Which of the following is not part of a MCU processor?
Voltage Regulator
RAM
ROM
I/O
3-39E4:
What portion of a microprocessor circuit is the pulse generator?
Clock
RAM
ROM
PLL
3-39E5:
In a microprocessor, what is the meaning of the term “ALU”?
Arithmetical logic unit.
Automatic lock/unlock.
Auto latch undo.
Answer local unit.
3-39E6:
What circuit interconnects the microprocessor with the memory and input/output system?
Data bus line.
Control logic bus.
PLL line.
Directional coupler.
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Color key:
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● = Incorrect answer
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