Chapter 13 - Audiovisual Systems

Question 1

IEEE 1394 port can connect up to ___ external devices with a data transfer rate up to ____ by IEEE 1394a standards and a rate up to _____ by IEEE 1394b. IEEE 1394 requires devices be within ___ of the connection or bus socket on a computer or other device.

Answer 1

63 external devices
400 MB/s per IEEE 1394a
800 MB/s per IEEE 1394b
15 ft of connection

Question 2

USB 1.0 and 1.1 have a max bandwidth of?

Answer 2

12 Mb/s

Question 3

USB 2.0 has a max bandwidth of?

Answer 3

480 Mb/s

Question 4

USB 3.2 has a max bandwidth of?

Answer 4

20Gb/s

Question 5

How many peripheral devices can be attached to a Universal Serial Bus?

Answer 5

127 devices

Question 6

Generally, if the loudspeakers for a speech reinforcement system are placed higher than ____ above the speaker, listeners who can hear direct sound from the talker as well as the loudspeaker will hear an echo or some distortion.

Answer 6

45ft

Question 7

Speakers shall be placed at ___ intervals in the ceiling.

Answer 7

8ft

Question 8

In audioconferencing environments, if the period between the time a word is spoken and the time its echo is heard exceeds ____ milliseconds (ms), the echo will cause most talkers to stutter.

Answer 8

300ms

Question 9

RGB, horizontal and vertical sync require how many cables?

Answer 9

Five to carry the signal. This is the highest quality

Question 10

RGB and composite sync require how many cables?

Answer 10

Four, three for the RGB and one for the composite sync.