tell about the basic principles of digital techniques

Problem 2.22 and write a more accurate description of ninputĢ.24 For each of the gates in Figure 2.42:ī. This is not the best statement of the operation of a multiple. “Output is HIGH if one input is HIGH, but not both.”

Table of the function and use it to explain your reasoning.Ģ.22 Find the truth table for the logic circuit shown in FigureĢ.23 Recall the description of a 2-input Exclusive OR gate: What logic function does this represent? Draw the truth The lamp is ON when the switches are in the same positionsĪnd OFF when they are in opposite positions. The circuit also allows anyoneĬoming along after you to do the same thing, no matter On a light from either the top or the bottom of the stairwellĪnd off at the other end. Problem 2.19: Temperature and Pressure Sensors

Interface produces a HIGH output to turn on the motor.ĭraw the symbol and truth table of the gate that correspondsĢ.20 Repeat Problem 2.19 for the case in which the motor is

Shown in Figure 2.39 each produce a logic HIGH if the The temperature sensor and pressure sensor, Temperature and pressure of liquid in a tank exceed a certain How many lines would the truth table of this gate have?Ģ.18 Repeat Problem 2.17 for a 5-input NOR gate.Ģ.19 A pump motor in an industrial plant will start only if the NAND gate with inputs A, B, C, D, and E and output Y. Draw the logic circuit symbol in both distinctiveshapeĢ.15 Repeat Problem 2.14 for a 4-input NOR gate.Ģ.16 State the active levels of the inputs and outputs of aĢ.17 Write a descriptive sentence of the operation of a 5-input Write the truth table and a descriptive sentence.Ĭ. Assume theĢ.14 For a 4-input NAND gate with inputs A, B, C, and D andĪ. Why is a seriesĢ.13 Draw a circuit showing how an OR-gate output will illuminateĪn LED when the gate output is LOW. Open pushbutton be considered an active HIGH orĪctive LOW device? Briefly explain your choice.Ģ.10 Should the normally closed pushbutton be considered anĢ.11 Briefly state what is required for an LED to illuminate.Ģ.12 Briefly state the relationship between the brightness of an Briefly explain how itĢ.9 Refer to Figure 2.10 (logic pushbuttons). Section 2.2 Logic Switches and LED IndicatorsĢ.8 Sketch the circuit of a single-pole single-throw (SPST)

Tell about the basic principles of digital techniques