Digital Systems (12th Edition)

Chapter 3

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It is preferred to apply constants.LOW or GND. ; ... more

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Variables: A, B ; Between variable and constant, ... more

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, ; The relationship between the input and output ... more

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The value of . ; Consider the given truth table, ... more

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The value of . ; Consider the given truth table, ... more

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32 ; For input circuit, total number of logic ... more

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All the inputs must be ZERO or LOW. ; Draw the OR ... more

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Constant HIGH ; Consider the input level 1(HIGH) ... more

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All five inputs must be HIGH or 1 to obtain the ... more

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If the input is low input then the output will be ... more

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Draw the logic-truth table for the OR gate. ... more

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The output and input of the second and first ... more

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AB0001010110011110 ; Draw the AND  gate and draw ... more

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; Draw the circuit by replacing the OR gate with ... more

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; Draw the circuit by replacing the OR gate with ... more

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The output is . ; Draw the circuit. The NOT gate ... more

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The output is 1. ; Draw the circuit. The OR gate ... more

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; The given expression contains two terms one is... more

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; The expression shows that the terms , and are... more

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; The expression   shows that the terms and are... more

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The three inputs are , , and . ; Draw the table ... more

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0 ; Draw the circuit showing the given inputs. Use... more

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. ; Redraw the given circuit by replacing NOR gate... more

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; The distributive property states that the ... more

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; The Distributive property states that the ... more

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; Write the given theorems respectively, and ... more

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; The DeMorgan law states where and are the ... more

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; Write DeMorgan’s law where , , and are the ... more

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; Write the DeMorgan law , where , , are the ... more

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Three NOR gates are used to implement the given ... more

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; The Logic circuit as shown in Figure 1, the ... more

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There are 3 ICs are required to implement the ... more

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One IC is required. ; Consider the given logic ... more

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Low output is obtained for any high input. ; ... more

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The output is HIGH for only LOW inputs. ; ... more

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LOW output is obtained whenever any input is LOW... more

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Output goes HIGH only when all inputs are HIGH. ; ... more

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will go HIGH when and . ; To activate the alarm ... more

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The output will go LOW, when , and either or or... more

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Two ; Replace alternate NAND into standard form ... more

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Two ; Rewrite the given figure with the ... more

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LOW ; When a logic signal is in its active state, ... more

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, ; When or active-HIGH will assert the alarm ... more

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; An output signal will have two active states, ... more

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The time scale is measured in nanoseconds, and ... more

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From a input to a output. ; Transitions are not ... more

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; The parameter that measures the time after the ... more

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; The parameter that measures the time after the ... more

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Boolean equation, truth table, logic diagram, ... more

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The .bdf files of schematic entry and timing ... more

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Hardware description language. ; The given short-... more

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To program electronic and digital logic circuits... more

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To perform a subsequent list of tasks ; C P ... more

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The given short-form describes the behavior of ... more

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Altera Corporation. ; AHDL language is developed ... more

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U.S. Dept. of Defense. ; The given language is ... more

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Programmable logic devices. ; The given short form... more

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In the switching matrix, use making and breaking ... more

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It converts HDL code into a bit pattern to set up ... more

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The definitions of input and output. ; After the ... more

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An error will be displayed as an Extra / missing... more

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The role of the ENTITY declaration defines the ... more

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The operation of the circuit is defined by ... more

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; The output of an AND operation in between the ... more

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NODE ; In AHDL, the intermediate variables are ... more

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After the Input and output definitions and before ... more

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It doesn't matter whether the or equations in ... more

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; A percent sign, is used to limit blocks of ... more

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; The character used to comment a single line in ... more

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SIGNAL ; The intermediate signal in the given ... more

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In the ARCHITECTURE section and before BEGIN. ; In... more

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It doesn't matter whether the or equations in ... more

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; The character used to comment a single line in ... more

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S.NOABCDIncorrect inputs1.0000--2.1001A3.1101A and... more

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; The formula for different sets of input ... more

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S.NoIncorrect Inputs1.0000, and 2.0010 and 3.0100... more

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; The output of the AND gate used in the circuit ... more

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; Draw the timing diagram for the waveforms shown... more

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S.NoABAND gate  (Y)OR gate (Y)1.10012.01013.11114.... more

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Design the truth table for the 3-input AND gate. ... more

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  ; Inverter consists of single input and single ... more

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; TThere are 3 inputs, so there are possible ... more

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  ; The given circuit consists of two bubbled OR ... more

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; In NOR gates, the This term is  ANDed with A ... more

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15(a):15(b):Hence, the theorems are proved. ; The ... more

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a): b): ; a):Use the Multivariable theorems , , ... more

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,  ; De Morgan’s Theorem-I:The complement of a ... more

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; According to the DeMorgan’s theorem-I, the ... more

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; The output expression for the NAND gate is .De-... more

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; The output expression for NOR gate is .De-... more

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Standard representation:  ; Alternate ... more

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; Choose gate symbols so that bubble and non ... more

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The output will go HIGH when , or or , or when ... more

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There are 5 inputs, so there are possible ... more

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, when or ; The input conditions required to turn... more

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; A digital circuit is implemented using a ... more

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One of the important methods to describe digital ... more

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; The binary equivalent of is .Make any input ... more

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; DeMorgan’s law states that the complement of ... more

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; A two-input gate is used as a gate if the ... more

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The Boolean expression of a 6-input gate is ... more

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; The output expression for the given circuit is... more

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; The output expression for the given circuit is... more

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