ASSOCIATE CET FINAL EXAM 2026 ACTUAL QUESTIONS
AND ANSWERS GRADED A+
✔✔A __________ is a reference antenna that all other antennas with gain are
compared to. - ✔✔Dipole
✔✔A high frequency antenna ________ than a low frequency one. - ✔✔is shorter
✔✔Standing waves on a transmission cable: - ✔✔can be caused by poor termination
✔✔Sideband frequencies are produced when a radio carrier frequency is: -
✔✔modulated
✔✔Doubling the power in a transmitter output signal is ______ dB gain. - ✔✔3
✔✔0 dBm V is what levle of received TV signal? - ✔✔1000 microvolts
✔✔A byte is: - ✔✔8 bits
✔✔In a 3 input AND gate: - ✔✔3 input must be high for a high output
✔✔An LCD operates by polarizing the light through filters. The fluid rotates
____________ degrees. - ✔✔90
✔✔To test an SCR with an ohmmeter: - ✔✔With + to anode and - to cathode, short gate
and anode together. Should go from near "open" to near "short."
✔✔Using the R x 100 range and testing between the source and drain of an N channel
JFET: - ✔✔readings should be equal in both directions
✔✔With + voltage to drain or source and a - voltage to the gate on an N channel JFET,
internal resistance of the JEFT will be: - ✔✔high
✔✔Which is LEAST likey to cause ESD damage to a MOSFET? - ✔✔flux
✔✔A logic probe: - ✔✔indicates high and low voltage conditions
✔✔In a typical electrical generator, a small AC voltage applied to the field windings is
able to control the output level of the generator. - ✔✔false
✔✔When working with and testing lead acid batteries: - ✔✔always wear eye protection,
never cause a spark and charge in a ventilated room
, ✔✔Audio signals, such as the output from DVD players, satellite receivers and
preamplifiers, usually are of what amplitude for input to a TV, modulator or other
equipment? - ✔✔1 volt peak to peak
✔✔Which of these signal parameters does a spectrum analyzer show? - ✔✔Magnitude
and frequency
✔✔Permanent, non-volatile, non-removable data storage in a computer is: - ✔✔ROM
✔✔What should be used first to clean a corroded plated soldering iron tip? - ✔✔Flux,
cloth after heating
✔✔When soldering high voltage connections: - ✔✔leave the terminal with smooth and
rounded covering of solder
✔✔Class AB operation of an audio amplifier means that current flows through the active
device(tube, transistor, FET, IC) for ________ degrees of the input signal wave. -
✔✔more than 180 but less than 360
✔✔A track on a computer removable disk is: - ✔✔divided into sectors
✔✔A PC has Conventional RAM and ROM memory area (in a PC it is 0 to 640
kilobytes); Upper memory area (640 Kb to 1 meg) and extended memory area (above 1
megabyte). What other names for internal memory types do PCs have? - ✔✔Tape drive
✔✔Which video system has the highest resolution? - ✔✔XVGA
✔✔You would want to use a dual trace oscilloscope to measure: - ✔✔signal differences
between two points
✔✔Common Intermediate Frequencies (IF's) for AM and FM commercial broadcast
receivers are: - ✔✔455 kHz and 10.7 MHz
✔✔Analog radio receiver signal compression: - ✔✔reduces the high frequency received
signal amplitude
✔✔Coaxial cable line losses at RF frequencies are due to: - ✔✔wire resistance,
capacitive and inductive reactance
✔✔You are troubleshooting audio reproduction equipment and measure the signal to be
input into the audio amplifier. What approximate RMS level would you except that signal
to be? - ✔✔1,000 millivolts
AND ANSWERS GRADED A+
✔✔A __________ is a reference antenna that all other antennas with gain are
compared to. - ✔✔Dipole
✔✔A high frequency antenna ________ than a low frequency one. - ✔✔is shorter
✔✔Standing waves on a transmission cable: - ✔✔can be caused by poor termination
✔✔Sideband frequencies are produced when a radio carrier frequency is: -
✔✔modulated
✔✔Doubling the power in a transmitter output signal is ______ dB gain. - ✔✔3
✔✔0 dBm V is what levle of received TV signal? - ✔✔1000 microvolts
✔✔A byte is: - ✔✔8 bits
✔✔In a 3 input AND gate: - ✔✔3 input must be high for a high output
✔✔An LCD operates by polarizing the light through filters. The fluid rotates
____________ degrees. - ✔✔90
✔✔To test an SCR with an ohmmeter: - ✔✔With + to anode and - to cathode, short gate
and anode together. Should go from near "open" to near "short."
✔✔Using the R x 100 range and testing between the source and drain of an N channel
JFET: - ✔✔readings should be equal in both directions
✔✔With + voltage to drain or source and a - voltage to the gate on an N channel JFET,
internal resistance of the JEFT will be: - ✔✔high
✔✔Which is LEAST likey to cause ESD damage to a MOSFET? - ✔✔flux
✔✔A logic probe: - ✔✔indicates high and low voltage conditions
✔✔In a typical electrical generator, a small AC voltage applied to the field windings is
able to control the output level of the generator. - ✔✔false
✔✔When working with and testing lead acid batteries: - ✔✔always wear eye protection,
never cause a spark and charge in a ventilated room
, ✔✔Audio signals, such as the output from DVD players, satellite receivers and
preamplifiers, usually are of what amplitude for input to a TV, modulator or other
equipment? - ✔✔1 volt peak to peak
✔✔Which of these signal parameters does a spectrum analyzer show? - ✔✔Magnitude
and frequency
✔✔Permanent, non-volatile, non-removable data storage in a computer is: - ✔✔ROM
✔✔What should be used first to clean a corroded plated soldering iron tip? - ✔✔Flux,
cloth after heating
✔✔When soldering high voltage connections: - ✔✔leave the terminal with smooth and
rounded covering of solder
✔✔Class AB operation of an audio amplifier means that current flows through the active
device(tube, transistor, FET, IC) for ________ degrees of the input signal wave. -
✔✔more than 180 but less than 360
✔✔A track on a computer removable disk is: - ✔✔divided into sectors
✔✔A PC has Conventional RAM and ROM memory area (in a PC it is 0 to 640
kilobytes); Upper memory area (640 Kb to 1 meg) and extended memory area (above 1
megabyte). What other names for internal memory types do PCs have? - ✔✔Tape drive
✔✔Which video system has the highest resolution? - ✔✔XVGA
✔✔You would want to use a dual trace oscilloscope to measure: - ✔✔signal differences
between two points
✔✔Common Intermediate Frequencies (IF's) for AM and FM commercial broadcast
receivers are: - ✔✔455 kHz and 10.7 MHz
✔✔Analog radio receiver signal compression: - ✔✔reduces the high frequency received
signal amplitude
✔✔Coaxial cable line losses at RF frequencies are due to: - ✔✔wire resistance,
capacitive and inductive reactance
✔✔You are troubleshooting audio reproduction equipment and measure the signal to be
input into the audio amplifier. What approximate RMS level would you except that signal
to be? - ✔✔1,000 millivolts
