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Recent questions tagged digital-logic

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1741
Mux output
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0 votes
1 answer
1743
Madeeasy test series
An EX-OR gate with six variables is as follows Y=A⊕B⊕C⊕D⊕E⊕F The number of min terms in the Boolean expression is_____
An EX-OR gate with six variables is as follows Y=A⊕B⊕C⊕D⊕E⊕F The number of min terms in the Boolean expression is_____
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1744
Made easy test series
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2 answers
1745
Multiplexers
It is said that any boolean function of n variables can be implemented using a mux of n-1 selector lines.so how can we represent a function f(A,B,X)=ABX'+ABX on a 4:1 mux?
It is said that any boolean function of n variables can be implemented using a mux of n-1 selector lines.so how can we represent a function f(A,B,X)=ABX'+ABX on a 4:1 mux...
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7 votes
2 answers
1749
GATE CSE 1988 | Question: 4ii
Using binary full adders and other logic gates (if necessary), design an adder for adding $4$-bit number (including sign) in $2’s$ complement notation.
Using binary full adders and other logic gates (if necessary), design an adder for adding $4$-bit number (including sign) in $2’s$ complement notation.
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2 answers
1751
Frequency of output signal?
I got the ans as 1/(5*25) = 1/125. None of the, match
I got the ans as 1/(5*25) = 1/125. None of the, match
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0 votes
1 answer
1752
Let A,B are 4 digited numbers, how many possible cases are there to have B≥A?
Let A,B are 4 digited numbers, how many possible cases are there to have B≥A? 144 136 120 216
Let A,B are 4 digited numbers, how many possible cases are there to have B≥A? 144 136 120 216
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1753
shift register output
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1754
correction used in BCD code
What is the correction used in BCD addition if the sum falls in invalid zone. 3 6 10 No correction please explain this question.
What is the correction used in BCD addition if the sum falls in invalid zone. 3 6 10 No correctionplease explain this question.
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1755
full adder
Can anyone explain me this theory with an example(from the third line)...??
Can anyone explain me this theory with an example(from the third line)...??
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1 votes
2 answers
1756
propagation delay in NOT gate
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1757
stuck at 0
Given circuit needs to be tested whether it has stuck-at-0 problem or not at pointed place in the diagram. How many number of test vectors can confirm the problem exists or not? 3 9
Given circuit needs to be tested whether it has stuck-at-0 problem or not at pointed place in the diagram.How many number of test vectors can confirm the problem exists o...
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1759
BCD addition
HOW to add 123+789 in bcd using auxiliary flag? Know how to use auuxiliary flag ad do 2 bit bcd addition but if 3 bits are there then can we use auxiliary here?
HOW to add 123+789 in bcd using auxiliary flag? Know how to use auuxiliary flag ad do 2 bit bcd addition but if 3 bits are there then can we use auxiliary here?
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14 votes
1 answer
1760
GATE CSE 1988 | Question: 2-vi
Define the value of $r$ in the following: $\sqrt {(41)_{r}} = (7)_{10}$
Define the value of $r$ in the following: $\sqrt {(41)_{r}} = (7)_{10}$
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20 votes
1 answer
1762
GATE CSE 1988 | Question: 2-iii
Let $*$ be defined as a Boolean operation given as $x*y = \overline{x}\;\;\overline{y}+xy$ and let $C=A*B$. If $C=1$ then prove that $A=B$.
Let $*$ be defined as a Boolean operation given as $x*y = \overline{x}\;\;\overline{y}+xy$ and let $C=A*B$. If $C=1$ then prove that $A=B$.
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0 votes
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1763
shift register
how many clock pulse are required for complete operation of 4 bit parallel-in-serial-out-shift-register ?
how many clock pulse are required for complete operation of 4 bit parallel-in-serial-out-shift-register ?
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3 votes
1 answer
1768
MadeEasy Test Series: Digital Logic - Boolean Expressions
my doubt is here we find that redundant expression ??? but answer is given non redundant expression?? plz check
my doubt is here we find that redundant expression ??? but answer is given non redundant expression?? plz check
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1769
DIgital logic test question
How is two mux starting from left giving any output as select line is given '0' as input ?
How is two mux starting from left giving any output as select line is given '0' as input ?
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1770
sequential circuit
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