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card_70145.txt
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Text File
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1994-05-12
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1KB
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42 lines
-- card: 70145 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 4601
-- name: #257
----- HyperTalk script -----
on openCard
global group,rightone
put 22 into group
put "D" into rightone
pass openCard
end openCard
-- part contents for background part 20
----- text -----
Question #257
-- part contents for background part 1
----- text -----
T8B06 Why do many radio receivers have several IF filters of different bandwidths that can be selected by the operator?
-- part contents for background part 11
----- text -----
Because some frequency bands are wider than others
-- part contents for background part 27
----- text -----
Because different bandwidths help increase the receiver sensitivity
-- part contents for background part 28
----- text -----
Because different bandwidths improve S-meter readings
-- part contents for background part 29
----- text -----
Because some emission types need a wider bandwidth than others to be received properly
-- part contents for background part 43
----- text -----
Correct answer is D