-- card: 94173 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 7720
-- name: #305
----- HyperTalk script -----
on openCard
  global group,rightone
  put 30 into group
  put "D" into rightone
  pass openCard
end openCard



-- part contents for background part 20
----- text -----
Question #30

-- part contents for background part 1
----- text -----
4BG-2B.1 What is the purpose of a "prescaler circuit"?

-- part contents for background part 11
----- text -----
It converts the output of a JK flip-flop to that of an RS flip-flop

-- part contents for background part 27
----- text -----
It multiplies an HF signal so a low-frequency counter can display the operating frequency

-- part contents for background part 28
----- text -----
It prevents oscillation in a low frequency counter circuit

-- part contents for background part 29
----- text -----
It divides an HF signal so a low-frequency counter can display the operating frequency

-- part contents for background part 43
----- text -----
Correct answer is D