1. The term LNB is used to represent
a. light neutralizing beam.
b. low noise block converter.
c. long narrow beam.
d. None of the above
2. AM radio signals operate within
which of the following frequency
bands?
a. 88 to 108 MHz
b. 20 to 200 KHz
c. 530 to 1705 KHz
d. All of the above
e. None of the above
3. FM radio signals operate within
which of the following frequency
bands?
a. 88 to 108 MHz
b. 20 to 200 KHz
c. 530 to 1705 KHz
d. All of the above
e. None of the above
4. The relationship between the
width and height of an image
is called
a. aspect ratio.
b. amplitude.
c. A/D converter.
d. bandwidth.
5. A passive sub woofer has a built
in internal amplifier.
a. True
b. False
6. The audible distortion that
happens when an amplifier
cannot increase its output to
match the increased signal
is called
a. balance.
b. bias.
c. clipping.
d. All of the above
7. A component video cable
utilizes 3 RCA type connectors.
a. True
b. False
8. In a surround sound system,
which speaker carries most of
the dialog?
a. Front
b. Rear
c. Center
d. Sub-woofer
9. How many surround speakers
are used in a Dolby 5.1 system?
a. 1
b. 2
c. 3
d. 4
10. How many surround speakers
are used in a Dolby 6.1 system?
a. 1
b. 2
c. 3
d. 4
11. How many surround speakers
are used in a Dolby 7.1 system?
a. 1
b. 2
c. 3
d. 4
12. THX Select is a certification for
large listening rooms.
a. True
b. False
13. TOSLINK is a common RCA
type cable used for composite
video signals.
a. True
b. False
14. Acoustical suspension speakers
use an airtight sealed enclosure.
a. True
b. False
15. A technique of painting an
entire picture frame at once is
called progressive scan.
a. True
False