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Recent questions tagged digital-logic

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digital
Which of these boolean functions is/are functionally complete? A f(x, y, z) = x' + yz' B f(x, y) = x' + xy C f(x, y, z) = xy' + x' + x'z D None of these

someshawasthi asked in Digital Logic 3 days ago

by someshawasthi

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2

A certain 4 input gate called a LEMON gate realizes the function LEMON(A,B,C,D) = BC(A+D). Show a realization of the function f (w,x,y,z) = Σ(0, 1, 6, 9, 10, 11, 14, 15) with only three LEMON gates and one OR gate. (Assume complemented inputs as available).

jakes asked in Digital Logic Mar 22

by jakes

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Float representation using normalised mantissa
while representing an exponent in floating point number why do we add a biased term? What is the benifit of adding this??

Sk Jamil Ahemad asked in Digital Logic Mar 20

by Sk Jamil Ahemad

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4

1. Express the following function as a sum of minterms: F(A, B, C, D) = B'D+A'D + BD
1. Express the following function as a sum of minterms: F(A, B, C, D) = B'D+A'D + BD

moustafa asked in Digital Logic Mar 9

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ripple carry adder
Half Adder is implemented with XOR and AND gate. A. FA is implemented with 2 HA and 1 OR gate The propagation delay of XOR -gate is twice that of AND / OR gate. Propagation delay of AND/OR is 1.2 ms. A 4-bit ripple carry binary adder is implemented using 4 full adder. the total propagation time of this 4 bit binary adder in micro second is ________?

someshawasthi asked in Digital Logic Mar 4

by someshawasthi

57 views

2 votes

2 answers

6

GATE CSE 2023 | Question: 11
The output of a $2$-input multiplexer is connected back to one of its inputs as shown in the figure. Match the functional equivalence of this circuit to one of the following options. $\text{D}$ Flip-flop $\text{D}$ Latch Half-adder Demultiplexer

admin asked in Digital Logic Feb 15

by admin

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1 vote

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7

GATE CSE 2023 | Question: 22
A particular number is written as $132$ in radix-$4$ representation. The same number in radix-$5$ representation is _____________.

admin asked in Digital Logic Feb 15

by admin

1.1k views

1 vote

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8

GATE CSE 2023 | Question: 33
Consider a sequential digital circuit consisting of $\mathrm{T}$ flip-flops and $\mathrm{D}$ flip-flops as shown in the figure. $\text{CLKIN}$ is the clock input to the circuit. At the beginning, $\text{Q1, Q2}$ and $\text{Q3}$ have values $0,1$ and $1,$ respectively. ... $\text{NEVER}$ be obtained with this digital circuit? $(0,0,1)$ $(1,0,0)$ $(1,0,1)$ $(1,1,1)$

admin asked in Digital Logic Feb 15

by admin

875 views

2 votes

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GATE CSE 2023 | Question: 34
A Boolean digital circuit is composed using two $4$-input multiplexers $\text{(M1 and M2)}$ and one $2$-input multiplexer $\text{(M3)}$ as shown in the figure. $\text{X0-X7}$ are the inputs of the multiplexers $\text{M1 and M2}$ and could be connected to either $0$ or $1.$ The select lines of the ... $(1,1,0,0,1,1,0,1)$ $(1,1,0,1,1,1,0,0)$ $(0,0,1,1,0,1,1,1)$

admin asked in Digital Logic Feb 15

by admin

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2 votes

1 answer

10

GATE CSE 2023 | Memory Based Question: 22
The initial state of a given sequential circuit is $Q_0 Q_1 Q_2=011$. Which of the following state does not occur $101$ $111$ $001$ $100$

GO Classes asked in Digital Logic Feb 6

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when i make excitation table of any flip flop i saw sometimes we write Q left side of A, B and sometimes right side of A,B what is the meaning of this plz tell me

Gaurav Kumar2002 asked in Digital Logic Jan 27

by Gaurav Kumar2002

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4 votes

3 answers

12

Made easy Gate mock test -1
A Boolean Function must satisfy the condition f(a,b,c) = f(c,b,a). how many such functions are possible?

TusharKumar asked in Digital Logic Jan 21

314 views

3 votes

1 answer

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How many NAND gates required?

h4kr asked in Digital Logic Jan 21

by h4kr

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Recent questions tagged digital-logic