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Free Exam: Communications Test 11

Number of Questions in Test: 10
Number of Questions in Preview: 5
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Question 1

History-This scientist is credited for being the first to conceive the idea of a laser.

Type: Multiple choice
Points: 1
Randomize answers: No

Question 2

Audio-What is the international agency responsible for allocating the frequency spectrum to different types of communications devices?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 3

Graphics-What step in teh phono developing process hardnes the emulsion to keep the picture permanent on the paper?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 4

Video-In a CRT, what is the substance that emits light when energized?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 5

History-What inventor developed the first telephone in 1876?

Type: Multiple choice
Points: 1
Randomize answers: No

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