ISTM 310 COMPREHENSIVE EXAM 2026 QUESTIONS
AND ANSWERS GRADED A+
✔✔phase - ✔✔The direction in which the sound wave begins is known as:
- amplitude, which our ears detect as loudness
- frequency, which our ears detect as pitch
- phase
- bandwidth
- furlong
✔✔amplitude - ✔✔The height of a sound wave is called its:
- frequency
- phase
- amplitude
- bandwidth
- furlong
✔✔synchronous time division - ✔✔_____________ is not a form of modulation used to
transform digital data into analog signals.
- synchronous time division
- amplitude shift keying
- amplitude modulation
- frequency modulation
- phase modulation
✔✔modulation - ✔✔____________ refers to changing the shape of the sound wave in
different ways to represent a 1 or a 0.
- digitizing.
- sampling
- modulation
- demodulation
- shaping
✔✔Amplitude Modulation - ✔✔With respect to converting digital data into analog
signals, AM stands for:
- Asynchronous Manchester
- Analog Multimode
- Amplitude Modulation
- Anomaly Multiplexing
- Analytical Mosaic
✔✔phase modulation - ✔✔In which type of modulation is a 1 distinguished from a 0 by
shifting the direction in which the wave begins?
- bandwidth modulation
- amplitude modulation
, - frequency modulation
- phase modulation
- codec modulation
✔✔16 - ✔✔When sending four bits at a time using frequency modulation, the number of
different frequency levels that would be needed would be _______.
- 24
- 16
-2
-8
-4
✔✔quadrature amplitude modulation - ✔✔____________ is a modulation technique that
combines two different amplitude combinations with eight different phase combinations
modulation to send four bits per symbol.
- quadrature amplitude modulation
- time division multiplexing
- synchronous digital line control
- pulse code modulation
- baseband signaling
✔✔bandwidth - ✔✔The _____________ of a circuit determines a circuit's capacity.
- frequency
- bandwidth
- phase
- amplitude
- loudness
✔✔20 to 14,000 Hz - ✔✔The typical range of human hearing is:
- 0 to 4,000 Hz
- 0 to 1,200 Hz
- 20 to 14,000 Hz
- 0 to 300 Hz
- 0 to 56,000 Hz
✔✔9100 Hz - ✔✔If the highest frequency of a circuit is 10KHZ and the lowest frequency
is 900 Hz, the bandwidth available for this circuit is :
- 890 Hz
- 8900 HZ
- 9100 Hz
- 9Khz
- 890 KHz
✔✔increase the range of frequencies available for a transmission - ✔✔To get more
"bandwidth" in a digital transmission, you must:
- increase the range of frequencies available for a transmission
AND ANSWERS GRADED A+
✔✔phase - ✔✔The direction in which the sound wave begins is known as:
- amplitude, which our ears detect as loudness
- frequency, which our ears detect as pitch
- phase
- bandwidth
- furlong
✔✔amplitude - ✔✔The height of a sound wave is called its:
- frequency
- phase
- amplitude
- bandwidth
- furlong
✔✔synchronous time division - ✔✔_____________ is not a form of modulation used to
transform digital data into analog signals.
- synchronous time division
- amplitude shift keying
- amplitude modulation
- frequency modulation
- phase modulation
✔✔modulation - ✔✔____________ refers to changing the shape of the sound wave in
different ways to represent a 1 or a 0.
- digitizing.
- sampling
- modulation
- demodulation
- shaping
✔✔Amplitude Modulation - ✔✔With respect to converting digital data into analog
signals, AM stands for:
- Asynchronous Manchester
- Analog Multimode
- Amplitude Modulation
- Anomaly Multiplexing
- Analytical Mosaic
✔✔phase modulation - ✔✔In which type of modulation is a 1 distinguished from a 0 by
shifting the direction in which the wave begins?
- bandwidth modulation
- amplitude modulation
, - frequency modulation
- phase modulation
- codec modulation
✔✔16 - ✔✔When sending four bits at a time using frequency modulation, the number of
different frequency levels that would be needed would be _______.
- 24
- 16
-2
-8
-4
✔✔quadrature amplitude modulation - ✔✔____________ is a modulation technique that
combines two different amplitude combinations with eight different phase combinations
modulation to send four bits per symbol.
- quadrature amplitude modulation
- time division multiplexing
- synchronous digital line control
- pulse code modulation
- baseband signaling
✔✔bandwidth - ✔✔The _____________ of a circuit determines a circuit's capacity.
- frequency
- bandwidth
- phase
- amplitude
- loudness
✔✔20 to 14,000 Hz - ✔✔The typical range of human hearing is:
- 0 to 4,000 Hz
- 0 to 1,200 Hz
- 20 to 14,000 Hz
- 0 to 300 Hz
- 0 to 56,000 Hz
✔✔9100 Hz - ✔✔If the highest frequency of a circuit is 10KHZ and the lowest frequency
is 900 Hz, the bandwidth available for this circuit is :
- 890 Hz
- 8900 HZ
- 9100 Hz
- 9Khz
- 890 KHz
✔✔increase the range of frequencies available for a transmission - ✔✔To get more
"bandwidth" in a digital transmission, you must:
- increase the range of frequencies available for a transmission
