Description : What condition must occur to have a change in the output of a D FF?
Last Answer : A positive-going clock pulse.
Description : What two inputs to a J-K FF will override the other inputs?
Last Answer : Clear (CLR) and preset (PS or PR).
Description : What are the inputs to a D FF?
Last Answer : Clock and data
Description : How many inputs does a T FF have?
Last Answer : One.
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 type of FF can be used as an R-S, a T, or a D FF?
Last Answer : J-K flip-flop.
Description : What is the output Boolean expression for a NOR gate with R and T as inputs?
Last Answer : (R +T)’
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 : 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 : What logic levels must exist for the FF to be toggled by the clock?
Last Answer : Both J and K must be HIGH.
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 : 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 must be the logic state of R and S to produce the TRUE output?
Last Answer : Both must be 1s (HIGH) at the same time.
Description : For the circuit shown in figure, the Boolean expression for the output y in terms of inputs P, Q, R and S is
Last Answer : For the circuit shown in figure, the Boolean expression for the output y in terms of inputs P, Q, R and S is P+Q+R+S
Description : With the inputs shown below, what will be the output of S1, S2, and C2?
Last Answer : MSD of the sum.
Description : . What will be the output of a half adder when both inputs are 1s?
Last Answer : Sum equals 0 with a carry of 1.
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 : 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 : What will be the output of a NOR gate when both inputs are HIGH?
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 : 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 : How is the J-K FF affected if PS and CLR are both LOW?
Last Answer : The flip-flop is jammed.
Description : Assume that K goes HIGH and J goes LOW; when will the FF reset?
Last Answer : When the clock pulse goes LOW.
Description : How long is data delayed by a D FF?
Last Answer : Up to one clock pulse.
Description : The output of a JK flipflop with asynchronous preset and clear inputs is 1'. The output can be changed to 0' with one of the following conditions. (A) By applying J = 0, K = 0 and using a clock. (B) ... (C) By applying J = 1, K = 1 and using the clock. (D) By applying a synchronous preset input.
Last Answer : Ans: C Preset state of JK Flip-Flop =1 With J=1 K=1 and the clock next state will be complement of the present state.
Description : If a frequency of 2.5 kHz were measured at the output of 'FF-C' in the circuit shown in the illustration, what would be the clock frequency? EL-0087 A. 0.8 kHz B. 2.5 kHz C. 7.5 kHz D. 20 kHz
Description : If a frequency of 16.8 kHz were measured at the output of 'FF-C' of the circuit shown in the illustration, the clock frequency would be _____________. EL-0087 A. 8.4 kHz B. 50.4 kHz C. 134.4 kHz D. 1680.0 kHz
Last Answer : Answer: C
Description : If the clock frequency to the circuit shown in the illustration were 100 kHz, what would be indicated at the output of 'FF-C'? EL-0087 A. 10.1 kHz B. 12.5 kHz C. 805 kHz D. 1010 kHz
Last Answer : Answer: B
Description : If the clock frequency to the circuit shown in the illustration were 2 kHz, what would be indicated at the output of 'FF-C'? EL-0087 A. 250 Hz B. 666 Hz C. 6 kHz D. 16 kHz
Last Answer : In a NOR gate all inputs must be Low to get high output
Last Answer : A gate in which all inputs must be low to get a high output is called A NOR gate.
Description : If a change in all inputs leads to a proportionate change in output, it is case of - (1) Constant returns to scale (2) Diminishing returns to scale (3) Increasing returns to scale (4) Variable returns to scale
Last Answer : (1) Constant returns to scale Explanation: If output increases by that same proportional change as all inputs change then there are constant returns to scale (CRS). If output increases by less than ... by more than that proportional change in inputs, there are increasing returns to scale (IRS).
Description : If a change in all inputs leads to a proportionate change in output, it is case of (1) Constant returns to scale (2) Diminishing returns to scale (3) Increasing returns to scale (4) Variable returns to scale
Last Answer : Constant returns to scale
Description : Can a difference amplifier have more than two inputs?
Last Answer : No
Description : Can a summing amplifier have more than two inputs?
Last Answer : Yes, a summing amplifier can have as many inputs as desired.
Description : How many inputs and outputs are possible with a differential amplifier?
Last Answer : Two inputs, two outputs.
Description : What are the required radar inputs for proper indicator operation?
Last Answer : Triggers, video, and antenna information.
Description : What is the equivalent logic gate of a two-input NAND gate with both inputs inverted?
Last Answer : OR gate.
Description : What are the two inputs to an amplidyne?
Last Answer : The mechanical force applied to turn the amplidyne, and the electrical input signal.
Description : What type of gate is represented by the output Boolean expression R T Å ?
Last Answer : Exclusive NOR (X-NOR).
Description : What conditions must be met in order to balance a bridge circuit?
Last Answer : A bridge circuit is balanced when the opposite legs of the comparing and measuring circuits exhibit the same voltage drop.
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 : What will be found in the output if two inputs of Ex-OR gate are high ?
Last Answer : If two inputs of Ex-OR gate are high then 0 will be found in the output .
Description : A line represents the different combinations of two variable inputs used in the production of a given amount of output.
Last Answer : Ans. Isoquant
Description : Production function explains the relationship between - (1) initial inputs and ultimate output (2) inputs and ultimate consumption (3) output and consumption (4) output and exports
Last Answer : (1) initial inputs and ultimate output Explanation: Production function explains the relationship between factor input and output under given technology. It explains as to for increasing the ... . Production function explains the physical relationship between input and output under given technology.
Description : Production function expresses - (1) technological relationship between physical inputs and output (2) financial relationship between physical inputs and output (3) relationship between finance and technology (4) relationship between factors of production
Last Answer : (1) technological relationship between physical inputs and output Explanation: Production involves transformation of inputs into outputs. The output is a function of input. The functional relationship between ... be produced from any given quantities of various inputs during a given period of time.