NS2 Test Bank: NS2-M3C21 - Electronics

Front

That division of electronic warfare involving the use of electromagnetic energy, directed energy or anti-radiation weapons to attack personnel, facilities or equipment with the intent of degrading, neutralizing or destroying enemy combat capability

Back

Electronic Attack (EA)

Front

535,000,000 cycles per second is 35 ______.

Back

megahertz

Front

To cause the amplitude, frequency, phase, or intensity of a carrier wave to vary in accordance with a sound wave or other signal, the frequency of the signal wave usually being very much lower than that of the carrier.

Back

Modulation

Front

Visible light waves are at the upper end of the frequency spectrum, while x-ray waves fall at the lower end. Which change would make this statement correct?

Back

Change "upper" to "lower".

Front

The number of complete oscillations per second of energy (as sound or electromagnetic radiation) in the form of waves

Back

Frequency

Front

Any military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy.

Back

Electronic Warfare (EW)

Front

In pulse modulation, a continuous wave is broken up into pulses followed by periods with no transmission.

Back

Pulse modulation

Front

Many devices used in modern life and in the Navy; including computers, television and radar, are based on electricity and the mechanical wave.

Back

True

Front

Multiple analog signals and digital data streams are incorporated into a single carrier wave.

Back

Multiplexing

Front

What is one of the most widely used applications of radio wave technology?

Back

Cell phones