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 : 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 : 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 : For an R-S FF to change output conditions, the inputs must be in what states?
Last Answer : 1 and 0, or opposite states.
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 : A NAND gate has Z and X as inputs. What will be the output logic level if Z is HIGH and X is LOW?
Last Answer : HIGH.
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 : What logic levels must exist for the FF to be toggled by the clock?
Last Answer : Both J and K must be HIGH.
Description : In a bistable multivibrator, how many trigger pulses are needed to produce one complete cycle in the output?
Last Answer : Two.
Description : In the power amplifier shown in figure 2-10, what two signals are mixed to produce the output signal?
Last Answer : Local oscillator and coherent oscillator.
Description : When a transmitter uses a high-power oscillator to produce the output pulse, what switches the oscillator on and off?
Last Answer : High-voltage pulse from the modulator.
Description : How many of those combinations will produce a HIGH output?
Last Answer : Seven.
Description : What component causes a generator to produce dc voltage rather than ac voltage at its output terminals?
Last Answer : A commutator
Description : In a logic circuit the NOR and NAND gate functions ____________. A. must be accomplished with a common base transistor arrangement B. are available in diode form C. are exact opposites with the ... . have output conditions that are exact opposites to the output condition for OR and AND, respectively
Last Answer : Answer: D
Description : what- A sign in the grocery store states:All items in aisle 1 r organic.You choose a banana from aisle 1 and you conclude that it must b organic. However the label on the banana says that its conventionally grown (not organic).Whats the error in logic?
Last Answer : The conditional statement was false.
Description : One method of troubleshooting digital circuits in a console is to ___________. A. supply alternate logic levels at the input(s) and test for change of state conditions at the output B. ground all ... output D. vary each input smoothly from 0-10 volts and test for similar variance at the output
Last Answer : Answer: A
Description : What type of gate is represented by the output Boolean expression R T Å ?
Last Answer : Exclusive NOR (X-NOR).
Description : What is the output Boolean expression for a NOR gate with R and T as inputs?
Last Answer : (R +T)’
Description : How much must the fpa plate current vary to produce 100- percent modulation in a plate modulator?
Last Answer : Between 0 and nearly two times its unmodulated value.
Description : What condition must occur to have a change in the output of a D FF?
Last Answer : A positive-going clock pulse.
Description : The output of the sum point must contain information that controls what two factors of load movement in a position servo?
Last Answer : Amount and direction of rotation.
Description : In single-phase alternators, in order for the voltages induced in all the armature windings to add together for a single output, how must the windings be connected?
Last Answer : In series.
Description : The LED lamps of a typical logic probe are normally in what state?
Last Answer : DIM.
Description : A basic S -R flip-flop can be constructed by cross -coupling which basic logic gates : - a) AND or OR gates b) XOR or XNOR gates c) NOR or NAND gates d) AND or NOR gates
Last Answer : A basic S -R flip-flop can be constructed by cross -coupling which basic logic gates : - NOR or NAND gates
Description : What type of logic family uses diodes in the input?
Last Answer : DTL (diode transistor logic).
Description : A, what logic element enables FF3 to toggle with the clock?
Last Answer : The AND gate
Description : What type of logic gates are added to a parallel adder to enable it to subtract?
Last Answer : X-OR gates.
Description : How do we refer to errors caused by faulty logic and coding mistakes?
Last Answer : Bugs.
Description : How many logic gates could be contained in lsi?
Last Answer : 1,000 to 2,000.
Description : . In the arithmetic/logic section, data is returned to what section after processing?
Last Answer : Internal storage.
Description : What capability allows the arithmetic/logic section to test various conditions encountered during processing and take action based on the result?
Last Answer : Logic.
Description : What is the equivalent logic gate of a two-input NAND gate with both inputs inverted?
Last Answer : OR gate.
Description : If logic 1 = -5 vdc and logic 0 = 0 vdc, what logic polarity is being used?
Last Answer : Negative.
Description : If logic 1 = +2 vdc and logic 0 = -2 vdc, what logic polarity is being used?
Last Answer : Positive.
Description : If logic 1 = -5 vdc and logic 0 = -10 vdc, what logic polarity is being used?
Description : With regard to computer logic circuits, what is meant by "complement?"
Last Answer : The opposite of the original statement.
Description : Which digital data encoding method helps overcome a tape recorder’s low-frequency response problems by recording two logic levels for each incoming data bit?
Last Answer : Bi-phase level encoding.
Description : What is the purpose of a logic probe?
Last Answer : They provide you with a visual indication of the logic state at any point you choose in the circuit.
Description : What does a lighted LED indicate on a logic comparator?
Last Answer : A difference in logic states between the reference IC and the IC under test.
Description : A lighted LED on a logic clip represents what logic level?
Last Answer : A "1" state.
Description : What are the two logic states of an IC?
Last Answer : A "1" or "0."
Description : (True or False) The larger the current required to produce full-scale deflection of the meter coil, the better the sensitivity of the meter.
Last Answer : False.
Description : Which TTL logic gate is used for wired ANDing (A) Open collector output (B) Totem Pole (C) Tri state output (D) ECL gates
Last Answer : Ans: A Open collector output.
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 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 : Integrity constraints ensure that changes made to the database by authorized users do not result into loss of data consistency. Which of the following statement(s) is (are) true w.r.t. the examples of integrity constraints? (A) An ... ) and (B) are true; (C) false. (4) (A), (B) and (C) are false.
Last Answer : Answer: 3
Description : State which of the one is false A. In performance testing, usage of tool is a must B. In database testing, database knowledge is a must. C. In Functional Testing, knowledge of business logic is a must D. None of the above.
Last Answer : D. None of the above.