Practice Quiz in Wire and Wireless Communications System Part 9

A. Copying

B. Scanning

C. Modulation

D. Light variation

A. 30 MHz

B. 45 MHz

C. 55 MHz

D. 40 MHz

A. The result of intermodulating two or more signals of different frequencies to produce a tone having a frequency equal to the sum of the frequencies of the signals intermodulated.

B. The result of intermodulating two or more signals of different frequencies to produce a tone having a frequency higher than that of the signal having the highest frequency.

C. An undesired self-sustained oscillation in a system, generally caused by excessive positive feedback.

D. An art or form of entertainment that can make one rich.

A. This is normal.

B. The device if faulty

C. The receiver is improperly terminated

D. The filter is not resonating

A. Single-frequency interference

B. Crosstalk

C. Phase jitter

D. Noise

A. Splitter

B. Filter

C. Trimmer

D. Attenuator

A. Capture effect

B. Flywheel effect

C. Hall effect

D. Skin effect

A. Half duplex

B. Full duplex

C. Echoplex

D. Lincomplex

A. 10 to 1000 µW

B. 100 to 1000 mW

C. 10 to 1000 nW

D. 100 to 1000 pW

A. A circuit usually in the subscriber loop, between the telephone set and the local central office.

B. A circuit having only two terminals, both terminals having the same instantaneous voltage.

C. A circuit with one input terminal, one output terminal, and a common ground.

D. A circuit consisting of two transmission lines.