Description : How many FFs would be required for an 8-bit shift register?
Last Answer : Eight.
Description : . How many FFs are required to count down from 1510?
Last Answer : Four.
Description : If the specified state is OFF, how many FFs may be off at one time?
Last Answer : One.
Description : . What type of counter has clock pulses applied to all FFs?
Last Answer : Synchronous.
Description : J-K FFs used in counters are wired to perform what function?
Last Answer : Toggle.
Description : How may R-S FFs be constructed?
Last Answer : By cross-coupling NAND or OR gates.
Description : . How many R-S FFs are required to store the number 1001012?
Last Answer : Six.
Description : What are R-S FFs used for?
Last Answer : Storing information.
Description : What is the purpose of using differential synchros instead of regular synchros?
Last Answer : Differential synchros can handle more signals than regular synchros and also perform addition and subtraction functions.
Description : Rather than using a stored program, a special-purpose computer's applicability to a particular problem is a function of what?
Last Answer : Its design
Description : What is the purpose of rotating the gimbal assembly in a gyro using a mercury erection system?
Last Answer : Applies torque at the proper point for correct precession.
Description : What is the purpose of using vectors?
Last Answer : To represent quantities that has both magnitude and direction
Description : What are the primary disadvantages of the magic-T?
Last Answer : Low power-handling capability and power losses
Description : The magic-T is composed of what two basic types of T junctions?
Last Answer : E-type and H-type.
Description : Why is the H-type T junction so named?
Last Answer : The junction arm extends in a direction parallel to the H lines in the main waveguide.
Description : What are the two basic types of T junctions?
Description : . What type of FF can be used as an R-S, a T, or a D FF?
Last Answer : J-K flip-flop.
Description : How many inputs does a T FF have?
Description : What type of gate is represented by the output Boolean expression R T Å ?
Last Answer : Exclusive NOR (X-NOR).
Description : Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?
Last Answer : T-coupler
Description : What is the output Boolean expression for a NOR gate with R and T as inputs?
Last Answer : (R +T)’
Description : What is the purpose of a lacing shuttle?
Last Answer : To keep the tape or cord from fouling during the lacing operation.
Description : Besides presenting a neat appearance and supporting each other, what is the other purpose for lacing conductors?
Last Answer : To aid in tracing the conductors when alterations or repairs are required.
Description : What is the purpose of a heat shunt?
Last Answer : To prevent damage to heat-sensitive components.
Description : What purpose does flux serve in the soldering process?
Last Answer : It cleans the metal by removing the oxide layer and prevents further oxidation during the soldering
Description : Hybrid rings are used primarily for what purpose?
Last Answer : High-power duplexes.
Description : What is the purpose of the absorbent material in a directional coupler?
Last Answer : Absorb the energy not directed at the pick-up probe and a portion of the overall energy
Description : What is the primary purpose of a directional coupler?
Last Answer : Sampling energy within a waveguide.
Description : What is the primary purpose of a dummy load?
Last Answer : Absorb all energy without producing standing waves.
Description : What is the purpose of D1 in figure 4-43?
Last Answer : To provide a quick discharge path for C1
Description : What is the purpose of C3?
Last Answer : C3 provides neutralization for Q1.
Description : What is the purpose of R2?
Last Answer : R2 provides the proper bias to the emitter of Q1
Description : What is the purpose of R1?
Last Answer : R1 provides the proper bias to the base of Q1 from VBB .
Description : What is the purpose of a frequency-determining network in an rf amplifier?
Last Answer : To provide maximum impedance at the desired frequency.
Description : What is the purpose of R5?
Last Answer : A swamping resistor for L2
Description : What is the purpose of L2?
Last Answer : A series peaking coil for Q1.
Description : What is the purpose of R4?
Last Answer : A part of the low-frequency compensation network for Q1.
Description : What is the purpose of C1?
Last Answer : A decoupling capacitor for the effects of R2
Description : What is the purpose of L3?
Last Answer : A shunt peaking coil for Q2.
Description : What is the purpose of "stickoff voltage"?
Last Answer : It is used in synchro systems to prevent false synchronizations.
Description : What is the purpose of the coarse setting of a synchro?
Last Answer : .It ensures the synchro is on 0º, not 180º.
Description : What is the purpose of the synchro capacitor?
Last Answer : To improve overall synchro system accuracy by reducing stator currents.
Description : What is the primary purpose of a synchro system?
Last Answer : Precise and rapid transmission of data between equipment and stations.
Description : What is the purpose of the spring or wire around the leads of a new MOSFET?
Last Answer : To prevent damage from static electricity.
Description : The base of a transistor serves a purpose similar to what element of the FET
Last Answer : Gate.
Description : What is the purpose of the rectifier in a magnetic amplifier?
Last Answer : The rectifier eliminates hysteresis loss.
Description : The purpose of a voltage regulator is to provide an output voltage with little or no __
Last Answer : Variation.
Description : In addition to stepping up or stepping down the input line voltage, what additional purpose does the transformer serve?
Last Answer : . It isolates the chassis from the power line.
Description : What is the purpose of the regulator section?
Last Answer : To maintain a constant voltage to the load.
Description : What is the purpose of the filter section?
Last Answer : To change pulsating dc to pure dc.