Register
Webpage for Digital Logic:

Recent questions tagged digital-logic

1 votes
1 answer
2162
Digital Counter Problem
User Avatar
3 votes
1 answer
2163
boolean expressions
The maximum number of boolean expressions that can be formed for the function f(x,y,z) satisfying the relation f(x',y,z')=f(x,y,z) is
The maximum number of boolean expressions that can be formed for the function f(x,y,z) satisfying the relation f(x',y,z')=f(x,y,z) is
User Avatar
2 votes
1 answer
2164
How to approach this problem
Given answer: A Please explain
Given answer: APlease explain
User Avatar
8 votes
2 answers
2165
Boolean expression from venn diagram
The Boolean Expression for the shaded area in the venn diagram. $A\bar{C}W + \bar{AB}CW$ $ABC + \bar{A}BW$ $(A+B+C) W$ $AW + \bar{B}W+AB$ I couldn't understand the explaination of the above problem please explain.
The Boolean Expression for the shaded area in the venn diagram.$A\bar{C}W + \bar{AB}CW$$ABC + \bar{A}BW$$(A+B+C) W$$AW + \bar{B}W+AB$I couldn't understand the explainatio...
User Avatar
4 votes
1 answer
2166
Is this question part of syllabus?
Given answer: B
Given answer: B
User Avatar
2 votes
1 answer
2167
What's the best way to approach this question in digital logic?
Given answer: A Please explain
Given answer: APlease explain
User Avatar
2 votes
4 answers
2168
Identifying self dual function
Given answer: D I am not getting how to approach this question.
Given answer: DI am not getting how to approach this question.
User Avatar
1 votes
2 answers
2170
How to approach this question on digital logic?
Given answer: D Please explain
Given answer: DPlease explain
User Avatar
13 votes
1 answer
2171
TIFR CSE 2015 | Part A | Question: 4
The Boolean function obtained by adding an inverter to each and every input of an $\text{AND}$ gate is: $\text{OR}$ $\text{XOR}$ $\text{NAND}$ $\text{NOR}$ None of the above
The Boolean function obtained by adding an inverter to each and every input of an $\text{AND}$ gate is:$\text{OR}$$\text{XOR}$$\text{NAND}$$\text{NOR}$None of the above
User Avatar
2 votes
2 answers
2174
Digital
Explain whether x'y+xy' is functionally complete opr or not???
Explain whether x'y+xy' is functionally complete opr or not???
User Avatar
20 votes
2 answers
2177
GATE CSE 1991 | Question: 5-b
Find the minimum sum of products form of the logic function $ f(A,B,C,D) = \Sigma_{m}(0,2,8,10,15)+ \Sigma _{d}(3,11,12,14)$ where $m$ and $d$ represent minterm and don't care term respectively.
Find the minimum sum of products form of the logic function $ f(A,B,C,D) = \Sigma_{m}(0,2,8,10,15)+ \Sigma _{d}(3,11,12,14)$ where $m$ and $d$ represent minterm and don't...
User Avatar
1 votes
1 answer
2179
The number of bits (in binary) required to represent 25-digit decimal number
The number of bits (in binary) required to represent 25-digit decimal number
The number of bits (in binary) required to represent 25-digit decimal number
User Avatar
1 votes
1 answer
2180
How to realize the Boolean Expression $C + B'A$ using Gates?
Note: It's B compliment.
Note: It's B compliment.
User Avatar
21 votes
1 answer
2182
GATE CSE 1997 | Question: 71
Let $f=(\bar{w} + y)(\bar{x} +y)(w+\bar{x}+z)(\bar{w}+z)(\bar{x}+z)$ Express $f$ as the minimal sum of products. Write only the answer. If the output line is stuck at $0$, for how many input combinations will the value of $f$ be correct?
Let $f=(\bar{w} + y)(\bar{x} +y)(w+\bar{x}+z)(\bar{w}+z)(\bar{x}+z)$Express $f$ as the minimal sum of products. Write only the answer.If the output line is stuck at $0$, ...
User Avatar
12 votes
3 answers
2183
ISRO2015-4
A modulus -$12$ ring counter requires a minimum of $10$ flip-flops $12$ flip-flops $8$ flip-flops $6$ flip-flops
A modulus -$12$ ring counter requires a minimum of$10$ flip-flops$12$ flip-flops$8$ flip-flops$6$ flip-flops
User Avatar
9 votes
5 answers
2184
ISRO2015-7
If half adders and full adders are implements using gates, then for the addition of two $17$ bit numbers (using minimum gates) the number of half adders and full adders required will be $0,17$ $16,1$ $1,16$ $8,8$
If half adders and full adders are implements using gates, then for the addition of two $17$ bit numbers (using minimum gates) the number of half adders and full adders r...
User Avatar
7 votes
3 answers
2185
ISRO2011-6
Evaluate $\text{(X xor Y) xor Y}?$ All $\text{1's}$ All $\text{0's}$ $\text{X}$ $\text{Y}$
Evaluate $\text{(X xor Y) xor Y}?$All $\text{1's}$All $\text{0's}$$\text{X}$$\text{Y}$
User Avatar
0 votes
3 answers
2186
Digital logic : Find the value of f
I know , this is pretty basic question , still could not get it right I got the answer as $B + \overline{C}$ Am I doing something terribly stupid here ?
I know , this is pretty basic question , still could not get it rightI got the answer as $B + \overline{C}$Am I doing something terribly stupid here ?
User Avatar
0 votes
2 answers
2187
counting speed
what is the maximum counting speed of 4-bit binary counter which is composed of flip-flops with a propagation delay of 25ns?
what is the maximum counting speed of 4-bit binary counter which is composed of flip-flops with a propagation delay of 25ns?
User Avatar
1 votes
1 answer
2189
boolean algebra
which of the following boolean algebra expression is incorrect ? a . (abc)' + bc + ac = c b . (a+b)(a'(b'+c'))' + b'c' + a'c' = 1 c . ab + a'c + bc = ab +ac d . ab + ac' = b guys can anyone solve this question... i am not finding the way how to solve this...
which of the following boolean algebra expression is incorrect ?a . (abc)' + bc + ac = cb . (a+b)(a'(b'+c'))' + b'c' + a'c' = 1c . ab + a'c + bc = ab +acd . ab + ac' = bg...
User Avatar
Page: