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Free Exam: Communications Test 4

Number of Questions in Test: 8
Number of Questions in Preview: 5
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Question 1

Audio-Which of the following devices converts sound energy into electrical energy?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 2

Video-Monochromatic light is light of:

Type: Multiple choice
Points: 1
Randomize answers: No

Question 3

History-Which of the follwoing inventors developed an electromechanical counting machine used for the US Census Bureau in the late 1800s?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 4

History-What federal agency did the Communications Act of 1934 establish to regulate interstate wire and radio frequency communications?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 5

Audio-In telephone switching equipment, a PBX is a(n):

Type: Multiple choice
Points: 1
Randomize answers: No

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