3-E-040: Counters, Dividers, Converters
3-40E1:
What is the purpose of a prescaler circuit?
Divides an HF signal so that a low-frequency counter can display the operating frequency.
Converts the output of a JK flip-flop to that of an RS flip-flop.
Multiplies an HF signal so a low-frequency counter can display the operating frequency.
Prevents oscillation in a low frequency counter circuit.
3-40E2:
What does the term “BCD” mean?
Binary coded decimal.
Binaural coded digit.
Bit count decimal.
Broad course digit.
3-40E3:
What is the function of a decade counter digital IC?
Produce one output pulse for every ten input pulses.
Decode a decimal number for display on a seven-segment LED display.
Produce ten output pulses for every input pulse.
Add two decimal numbers.
3-40E4:
What integrated circuit device converts an analog signal to a digital signal?
ADC
DAC
DCC
CDC
3-40E5:
What integrated circuit device converts digital signals to analog signals?
DAC
ADC
DCC
CDC
3-40E6:
In binary numbers, how would you note the quantity TWO?
0010
0002
2000
0020
|
Color key:
|
|
● = Unseen
|
|
● = Weak
|
|
● = Review
|
|
● = Learned
|
|
● = Incorrect answer
|
