Description : An X-OR gate may be used as what type of adder?
Last Answer : Quarter adder.
Description : . What will be the output of an X-NOR gate when both inputs are LOW?
Last Answer : HIGH.
Description : A two-input X-OR gate will produce a HIGH output when the inputs are at what logic levels?
Last Answer : . One or the other of the inputs must be HIGH, but not both at the same time.
Description : What will be the output of an X-OR gate when both inputs are HIGH?
Last Answer : Low (0)
Description : A NAND gate has Z and X as inputs. What will be the output logic level if Z is HIGH and X is LOW?
Description : Increasing gate length in a sawtooth generator does what to linearity?
Last Answer : Decreases linearity.
Description : What type of gate is represented by the output Boolean expression R T Å ?
Last Answer : Exclusive NOR (X-NOR).
Description : Applying a reverse bias to the gate of an FET has what effect?
Last Answer : Source-to-drain resistance increases.
Description : The range sweep in a range-gate generator is started at the same time as what other pulse?
Last Answer : Transmitter.
Description : What is the equivalent logic gate of a two-input NAND gate with both inputs inverted?
Last Answer : OR gate.
Description : What is the output Boolean expression for an AND gate with A and B as inputs when the B input is inverted?
Last Answer : AB
Description : In what state must the inputs to a NOR gate be in order to produce a logic 1 output?
Last Answer : All inputs must be low.
Description : What is the output Boolean expression for a NOR gate with R and T as inputs?
Last Answer : (R +T)’
Description : What will be the output of a NOR gate when both inputs are HIGH?
Last Answer : Low.
Description : A NAND gate has inputs labeled as A, B, and C. If A and B are HIGH, C must be at what logic level to produce a HIGH output?
Last Answer : . Low.
Description : What is the output Boolean expression for a NAND gate with inputs A, B, and C?
Last Answer : C B A
Description : What must be the state of the inputs to a NAND gate in order to produce a LOW output?
Last Answer : All inputs must be HIGH.
Description : Write the Boolean expression for an OR gate having G, K
Last Answer : . f = G+K+L.
Description : How many input combinations exist for a four-input AND gate?
Last Answer : 16.
Description : What is the Boolean expression for the output of an AND gate that has R and S as inputs?
Last Answer : f = RS.
Description : An FET has a gate source bias of 2 V. The ac input signal is ± 1.2 V. The class of operation is A) A B) B C) C D) AB
Last Answer : D) AB
Description : The field arrangements in waveguides are divided into what two categories to describe the various modes of operation?
Last Answer : Transverse electric (TE) and transverse magnetic (TM).
Description : What amplifier class of operation is the most inefficient but has the least distortion?
Last Answer : Class A.
Description : What two primary items determine the class of operation of an amplifier?
Last Answer : The amount of bias and the amplitude of the input signal
Description : Once ionization has occurred in a thyratron, what control does the control grid have over the tube’s operation?
Last Answer : None.
Description : What type of clock is used when more than one operation is to be completed during one clock cycle?
Last Answer : . A multiphase clock.
Description : What is the key to FET operation?
Last Answer : Effective cross-sectional area of the channel.
Description : What type of bias is required for proper operation of a photodiode?
Last Answer : Reverse bias.
Description : The TRIAC is similar in operation to what device?
Last Answer : SCR
Description : What type of diagram is the most useful in learning the overall operation of a system?
Last Answer : A schematic diagram.
Description : What is the effect on magnetron operation if the magnetic field strength is too high?
Last Answer : The magnetron will not oscillate.
Description : What are the required radar inputs for proper indicator operation?
Last Answer : Triggers, video, and antenna information.
Description : Tracking radar searches a small volume of space during which phase of operation?
Last Answer : Acquisition.
Description : What radar subsystem supplies timing signals to coordinate the operation of the complete system?
Last Answer : Synchronizer.
Description : Quality fiber-end preparation is essential for proper system operation. What properties must an optical fiber-end face have to ensure proper fiber connection?
Last Answer : Be flat, smooth, and perpendicular to the fiber axis.
Description : In single mode operation, the value of the normalized frequency (V) should remain near the 2.405 level. If the value of V is less than 1, do single mode fibers carry a majority of the power in the core or cladding material?
Last Answer : Cladding material.
Description : For efficient operation, should a detector have a high or low responsivity at the operating wavelength?
Last Answer : High.
Description : Describe the operation of an optical detector
Last Answer : It is a transducer that converts an optical signal into an electrical signal. It does this by generating an electrical current proportional to the intensity of incident optical radiation.
Description : A computer that is designed to perform a specific operation and usually satisfies the needs of a particular type of problem, is said to be what type of computer?
Last Answer : Special-purpose.
Description : The underlying principle of operation of the parametric amplifier is based on what property?
Last Answer : Reactance.
Description : Why is the pi mode the most commonly used magnetron mode of operation
Last Answer : Greater power output.
Description : If the constant-speed electrons in a reflex klystron remain in the repeller field for 1 3/4 cycles, what is the mode of operation?
Last Answer : Mode 2.
Description : What is the basic principle of operation of a klystron?
Last Answer : Velocity modulation
Description : What limits the tuning range around the center frequency of a reflex klystron in a particular mode of operation?
Last Answer : The half-power points of the mode.
Description : How do the tape guides on a tape reeling system protect the tape from damage during operation?
Last Answer : They keep the tape straight with respect to both the supply and take-up reels and the magnetic heads.
Description : What are the five most prominent communications modes of operation?
Last Answer : Simplex, half-duplex, semiduplex, duplex, and broadcast.
Description : The suppressor grid is added to a tetrode to reduce what undesirable characteristic of tetrode operation?
Last Answer : Secondary emission.
Description : Operation of an accelerometer is based on what physical property?
Last Answer : Inertia.
Description : What gyro characteristic provides the basis of the operation of a rate gyro?
Last Answer : Precession.