0
Use the regular 4 bit full added, but make one of the inputs 1111 = 2's complimentrepresentation of -1. This will serve to decrement the other number by 1. Throw away the 5th bit, the carry bit.
Example
If 5 is entered:
0101
+ 1111
______
0100 = 4
By -: lokesh kourav
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∙ 11y ago
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Design and draw a combinational circuit using AND-OR-NOT gates that accepts an input number of three bits?
Any hardware whatsoever satisfies the conditions of this question ... as long as it hasthree input lines ... since the question neglects to specify what it wants the circuit to dowith the 3-bit input number.
What is the difference between a PAL and a PLA?
PLA is programmable logic array while PAL is Programmable Array Logic. PLA is a kind of programmable logic device used to implement combinational logic circuit. It has Programmable AND Gate linked with Programmable OR Gate. PAL is an combinational PLD that was developed to overcome certain disadvantage of PLA. PLA shows longer delay due to additional fusible links which results from using two programmable array and increase circuit complexity. Thus, PAL is used which is less complex and fast to implement. PAL consists of programmable AND linked with fixed OR.
What are the advantages of half and full adder circuit?
Do you mean :- how to get full adders by using half-adders? For this question refer following answer - A full-adder can be obtained by combining two half-adders and one or gate. Details on full-adder and half-adder can be referenced from following link http://www.fullchipdesign.com/fulladder.htm
Would a bedroom be wired using a series circuit or a parallel circuit?
A parallel circuit
How to Design and draw a combinational circuit using AND-OR-NOT gates that accepts an input number of three bits. The output of the circuit is a 6 bit number that is the square of the input number?
first create truth table, inputs should be combination of 3 bits i.e 8 possible combination. the outputs are the square of each input. you need 6 bits for the outputs since the square of 7 is 49 which is binary notation 49 is (110001) hence 6 bits. same goes for the other inputs. when the table is complete. find the Boolean function that drives each bit, preferably by K-maps to minimize the logic. Then from the equations, simply draw the circuit by using the necessary logic gates. There will be 3 inputs and 6 outputs for the overall circuit. Very easy but tedious. have fun
4 bit combinational circuit incrementer and decrementer using full adders?
God only know :d
Is it possible to make circuit with only multiplexers?
Yes. Any basic gate's Boolean expression can be implemented using a 2:1 multiplexer and hence any combinational circuit can be implemented using only multiplexers.
Design and draw a combinational circuit using AND-OR-NOT gates that accepts 4 input bits and produces two bit output the first of the two bits is set to 1 if the number of 1s in the input is even?
Design and draw a combinational circuit using AND-OR-NOT gates that accepts 4 input bits, and produces two bit output; the first of the two bits is set to 1 if the number of 1's in the input is even; and the second of the output bit is set to 1 if the input have 3 or more (all four) 1 bits.
What are advantages and disadvantages of multiplexer?
Advantages are 1: it reduces number of wires. 2:it reduces circuit complexity and cost. 3:it simplifies logic design. 4:we can implement many combinational circuits using MUX. 5:it does not need kmaps and simplification.
How do you add items on Atlantic penguin?
You need to download it, but I don'trecommend using Item Adders.
How many adders are required to realize a 256 point radix-2 FFT using decimation in time?
254
Design and draw a combinational circuit using AND-OR-NOT gates that accepts an input number of three bits?
Any hardware whatsoever satisfies the conditions of this question ... as long as it hasthree input lines ... since the question neglects to specify what it wants the circuit to dowith the 3-bit input number.
What is the difference between a PAL and a PLA?
PLA is programmable logic array while PAL is Programmable Array Logic. PLA is a kind of programmable logic device used to implement combinational logic circuit. It has Programmable AND Gate linked with Programmable OR Gate. PAL is an combinational PLD that was developed to overcome certain disadvantage of PLA. PLA shows longer delay due to additional fusible links which results from using two programmable array and increase circuit complexity. Thus, PAL is used which is less complex and fast to implement. PAL consists of programmable AND linked with fixed OR.
What are the advantages of half and full adder circuit?
Do you mean :- how to get full adders by using half-adders? For this question refer following answer - A full-adder can be obtained by combining two half-adders and one or gate. Details on full-adder and half-adder can be referenced from following link http://www.fullchipdesign.com/fulladder.htm
Construct BCD to excess3 code using full adder circuit?
4 full adders will be used BCD is a 4 bit code. Each bit of the BCD number will be an input of each full adder. input 1 in first FA. 1 in second and 0 in the last to FA's
Circuit continuity is measured using?
Circuit continuity can be tested by using an ohm meter.
Would a bedroom be wired using a series circuit or a parallel circuit?
A parallel circuit
