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Recent questions tagged digital-logic

6 votes
1 answer
1921
Ace Page# 103, Q#06
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4 votes
2 answers
1922
Ace Page# 103, Q#09
A circuit which is working as NAND gate with positive level logic system will work as _____ gate with negative level logic system NAND NOR AND OR
A circuit which is working as NAND gate with positive level logic system will work as _____ gate with negative level logic systemNANDNORANDOR
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0 votes
2 answers
1923
UGC NET CSE | June 2010 | Part 2 | Question: 10
The function represented by the $\text{k}$-map given below is $A ⋅ B$ $AB + BC + CA$ $\overline{B \bigoplus C}$ $A ⋅ B ⋅ C$
The function represented by the $\text{k}$-map given below is$A ⋅ B$ $AB + BC + CA$$\overline{B \bigoplus C}$$A ⋅ B ⋅ C$
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0 votes
0 answers
1925
UGC NET CSE | June 2010 | Part 2 | Question: 8
What is the transitive voltage for the voltage input of a CMOS operating from $10V$ supply ? $1V$ $2V$ $5V$ $10V$
What is the transitive voltage for the voltage input of a CMOS operating from $10V$ supply ?$1V$$2V$$5V$ $10V$
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0 votes
1 answer
1926
UGC NET CSE | June 2010 | Part 2 | Question: 7
Advantage of synchronous sequential circuits over asynchronous ones is Faster operation Ease of avoiding problems due to hazard Lower hardware requirement Better noise immunity
Advantage of synchronous sequential circuits over asynchronous ones isFaster operationEase of avoiding problems due to hazardLower hardware requirementBetter noise immuni...
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3 votes
1 answer
1929
Convert Binary to excess-3
Someone help me out.
Someone help me out.
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13 votes
1 answer
1930
prime implicants
Find all prime implicants and all essential prime implicants for... $F(A,B,C,D)=Σ(1,3,4,5,10,11,12,13,14,15)$
Find all prime implicants and all essential prime implicants for...$F(A,B,C,D)=Σ(1,3,4,5,10,11,12,13,14,15)$
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0 votes
2 answers
1933
UGC NET CSE | December 2010 | Part 2 | Question: 8
An Astable multivibrator has : One stable state Two stable states No stable states None of these
An Astable multivibrator has :One stable stateTwo stable statesNo stable statesNone of these
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0 votes
1 answer
1934
UGC NET CSE | December 2010 | Part 2 | Question: 7
$AB + (\bar{A+B})$ is equivalent to $A \bigoplus B$ $A \bigodot B$ $(A \bigoplus B) \bigodot A$ $(A \bigodot B) \bigoplus A$
$AB + (\bar{A+B})$ is equivalent to$A \bigoplus B$ $A \bigodot B$$(A \bigoplus B) \bigodot A$$(A \bigodot B) \bigoplus A$
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1 votes
2 answers
1936
digital logic propagation delay
A ring oscillator consisting of 5 inverter is running at a frequency of 1 MHz. the propagation delay per gate is __________ ?
A ring oscillator consisting of 5 inverter is running at a frequency of 1 MHz. the propagation delay per gate is __________ ?
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4 votes
1 answer
1938
Digital logic
With 4 boolean variables, how many boolean expression & functions and combination can be formed?
With 4 boolean variables, how many boolean expression & functions and combination can be formed?
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7 votes
4 answers
1940
UGC NET CSE | June 2011 | Part 2 | Question: 4
The absorption law in Boolean algebra say that $X + X = X$ $X . X = X$ $X + X . Y = X$ None of the above
The absorption law in Boolean algebra say that$X + X = X$$X . X = X$$X + X . Y = X$ None of the above
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1 votes
1 answer
1941
Counters design
Design a counter using D flip flops that goes through state 0 1 2 4 0 . The undesired (unused ) states must always goes to zer0 (000) on the next clock pulse .
Design a counter using D flip flops that goes through state 0 1 2 4 0 . The undesired (unused ) states must always goes to zer0 (000) on the next clock pulse .
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2 votes
1 answer
1942
UGC NET CSE | June 2016 | Part 3 | Question: 1
Which of the following is a sequential circuit? Multiplexer Decoder Full adder Counter
Which of the following is a sequential circuit?MultiplexerDecoderFull adderCounter
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2 votes
1 answer
1943
GATE 1998
How many minterms (excluding redundant terms) does the minimal switching function f (v,w, x, y, z) = x + ȳ z originally have? a. 16 b. 20 c. 24 d. 32
How many minterms (excluding redundant terms) does the minimal switching functionf (v,w, x, y, z) = x + ȳ z originally have?a. 16b. 20c. 24d. 32
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1 votes
1 answer
1944
GATE 1998 ECE
Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function. A. XYZ B. X Y Z C. X YZ + XY Z D. XY + YZ + ZX
Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function.A....
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3 votes
3 answers
1945
UGC NET CSE | June 2016 | Part 2 | Question: 9
The simplified form of the Boolean equation $(A\bar{B}+A\bar{B}+AC)(\bar{A}\bar{C}+\bar{B})$ is $A\bar{B}$ $A\bar{B}C$ $\bar{A}B$ $ABC$
The simplified form of the Boolean equation $(A\bar{B}+A\bar{B}+AC)(\bar{A}\bar{C}+\bar{B})$ is$A\bar{B}$$A\bar{B}C$$\bar{A}B$$ABC$
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4 votes
2 answers
1946
UGC NET CSE | June 2016 | Part 2 | Question: 8
Simplified Boolean equation for the following truth table is : ... $F=x \bar{y}+\bar{x}y$ $F=\bar{x}z+x\bar{z}$ $F=\bar{x}z+x\bar{z}+xyz$
Simplified Boolean equation for the following truth table is :$\begin{array}{|c|c|c|c|}\hline x & y & z & F \\ \hline \text{0} & \text{0} & \text{0} & \text{0} \\ \hlin...
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3 votes
4 answers
1947
UGC NET CSE | June 2016 | Part 2 | Question: 6
Which of the following logic expression is incorrect ? $1 \oplus 0 =1$ $1 \oplus 1 \oplus 1=1$ $1 \oplus 1 \oplus 0=1$ $1 \oplus 1 =0$
Which of the following logic expression is incorrect ?$1 \oplus 0 =1$$1 \oplus 1 \oplus 1=1$$1 \oplus 1 \oplus 0=1$$1 \oplus 1 =0$
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9 votes
5 answers
1948
No. of Boolean Function
Constraint Equation is given as : $F(x,y,z) = F(\bar x,y,\bar z) + F(x,\bar y,z)$ How many Boolean functions are possible for 3 variable input function F(x,y,z) such that above condition is satisfied ?
Constraint Equation is given as :$F(x,y,z) = F(\bar x,y,\bar z) + F(x,\bar y,z)$How many Boolean functions are possible for 3 variable input function F(x,y,z) such that a...
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1 votes
2 answers
1950
UGC NET CSE | Junet 2015 | Part 3 | Question: 4
The equivalent hexadecimal notation for octal number 2550276 is FADED AEOBE ADOBE ACABE
The equivalent hexadecimal notation for octal number 2550276 isFADEDAEOBEADOBEACABE
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