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Recent questions tagged gb2019dl1
+2
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1
answer
1
GATEBOOK2019DL11
When a $2$input NOR gate has all its input lines and output line inverted, it becomes: NAND gate EXNOR gate EXOR gate OR gate
asked
Oct 27, 2018
in
Digital Logic
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GATEBOOK
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15.3k
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101
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gb2019dl1
digitallogic
logicgates
+1
vote
1
answer
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GATEBOOK2019DL12
The number of minterms in an expression for $n$input ExNOR gate can be given by: $2^{\frac{n^2}{2}}$ $\frac{2^{n}}{2}$ $\frac{n^2}{2}$ $n$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
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15.3k
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120
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gb2019dl1
0
votes
3
answers
3
GATEBOOK2019DL13
Which of the following statements is/are true? AND gate resembles switches in parallel while OR gate resembles switches in series connection. AND gate resembles switches in series while OR gate resembles switches in parallel connection. AND ... switches in parallel connection. AND gate resembles switches in parallel while NOR gate resembles switches in series connection.
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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58
views
gb2019dl1
+1
vote
3
answers
4
GATEBOOK2019DL14
The minimum number of at most 2input gates (AND, OR and NOT gates) required to realize following expression is________ $\overline{a}. \overline{(\overline{a}\overline{b}+\overline{(a+c)})}$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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139
views
gb2019dl1
numericalanswers
+1
vote
2
answers
5
GATEBOOK2019DL15
Which of the following expression represents the Boolean function shown in kmap below: $A$ $B$ $f(A, B)$ $0$ $0$ $1$ $0$ $1$ $D$ $1$ $0$ $1$ $1$ $1$ $D$ $\text{OR gate}$ $\text{AND gate}$ $\overline{B}$ $1$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
points)

87
views
gb2019dl1
+1
vote
2
answers
6
GATEBOOK2019DL16
A three variable Boolean function is defined as $f(A,B,C)=\sum \{0,1,6,7\}$. If $\overline{f(A,B,C)}$ is defined as complement of $f(A,B,C)$ then the simplified expression for $\overline{f(A,B,C)}$ can be given by: $B \oplus C$ $1$ $A\odot B$ $A\oplus B$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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58
views
gb2019dl1
0
votes
1
answer
7
GATEBOOK2019DL17
The Gray code representation of $117_{10}$ is: $1111001$ $1001111$ $1110110$ $1110101$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
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(
15.3k
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39
views
gb2019dl1
0
votes
1
answer
8
GATEBOOK2019DL18
When all inputs to a logic circuit are high, still the output is low, then the gate can be: either ExOR or NAND but not NOR either ExNOR or NAND but not NOR either ExOR or NOR but not NAND none of the above
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
points)

44
views
gb2019dl1
+2
votes
1
answer
9
GATEBOOK2019DL19
Consider the Kmap shown below with four variables where, “D” denotes don’t care states. The number of Essential Prime implicants in the Kmap shown above is______
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
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(
15.3k
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93
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gb2019dl1
numericalanswers
+1
vote
1
answer
10
GATEBOOK2019DL110
What happens when a bitstring of length $mbit$ is ExNORed with itself ntimes as shown: $[(B \odot (B \odot (B \odot (B....\text{n times}]$ complements when n is even complements when n is odd produces $2^m1$ when n is even remains unchanged when n is even
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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125
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gb2019dl1
+2
votes
2
answers
11
GATEBOOK2019DL111
Logical ExNOR operation (of two variables A and B) is equivalent to which of the following set expressions? $(A \cup B)(A \cap B)$ $(1 (A \cap B) )$ $(1(A \cup B) (A \cap B))$ $(1(A \cup B)) \cup (A \cap B)$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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76
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gb2019dl1
+1
vote
3
answers
12
GATEBOOK2019DL112
Which of the following is equivalent to following Boolean expression: $\overline{D} + (\overline{A}B\overline{C} + A\overline{B}.\overline{C})D + AC\overline{D} + \overline{(\overline{A}\oplus 0).A}$ $D$ $\overline{D}$ $0$ $(B+\overline{B}D+\overline{B}\overline{D})$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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103
views
gb2019dl1
+1
vote
1
answer
13
GATEBOOK2019DL113
Minimum number of NOR gates required to realize following Boolean function is: $f(A,B,C) = AB + \overline{C}$ $3$ $4$ $5$ $6$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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82
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gb2019dl1
+3
votes
3
answers
14
GATEBOOK2019DL114
Consider the Kmap shown below with four variables. The value of multiplication of the number of prime implicants and number of Essential Prime implicants in the Kmap shown above is________
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
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15.3k
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118
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gb2019dl1
numericalanswers
0
votes
1
answer
15
GATEBOOK2019DL115
The output $Y$ in the circuit shown below, is always $1$ when: Odd number of inputs are $1$ Even number of inputs are $0$ At least $2$ of the inputs are $1$ At least $1$ of the inputs are $1$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
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15.3k
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40
views
gb2019dl1
0
votes
1
answer
16
GATEBOOK2019DL116
The gray code for a decimal number $N$ is $11111111_2$. This number $N$ is converted into $P$ which belongs to $8421$ code system. What is the Hexadecimal representation for P? $ABC$ $F55$ $170$ $790$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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101
views
gb2019dl1
+2
votes
1
answer
17
GATEBOOK2019DL117
The four variable function f is given as collection of sumofproduct terms as follows: $f(A,B,C,D) = \{2,3,8,10,11,12,14,15\}$ Which of the following correctly represents the pair (P,Q) where P represents the minimized expression for this function and Q stands for minimum number ... $A\overline{D}+AC+\overline{B}C, \: 8$ $A\overline{C}+AD+\overline{B}C, \: 6$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
points)

60
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gb2019dl1
+2
votes
1
answer
18
GATEBOOK2019DL118
Given function $f_1$, $f_2$ and $f_3$ as follows: $f_1 = \sum m \{2,3,4,5\}$ $f_2 = \sum m \{1,2,3,4,6\}$ $f_3 = \sum m \{1,3,5,6\}$ and the logic circuit shown below: Which of the following collection of minterms best represents the function $f$? $\sum m\{1,2,3,4,5,6\}$ $\sum m\{2,3,4,5,6\}$ $\sum m\{1,3,4,5,6\}$ $\sum m\{1,2,3,4,6\}$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
points)

55
views
gb2019dl1
+2
votes
1
answer
19
GATEBOOK2019DL119
If decimal value of $(402)_y$ is $7_{10}$ less than that of $(173)_x$ then possible values of $x$ and $y$ in octal number system respectively are: $11,16$ $15,9$ $9,12$ $17,11$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
Boss
(
15.3k
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86
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gb2019dl1
0
votes
2
answers
20
GATEBOOK2019DL120
Consider the $16$bit floatingpoint format which has $9$ rightmost bits for the mantissa and $6$ bits for the excess$31$ exponent (base $2$) in the middle and most significant bit stands for sign of the float number. Which of the following represents the difference between the ... value (using implicit leading 1) in this system? $2^{39}$ $2^{35}$ $2^{38}$ $2^{32}$
asked
Oct 27, 2018
in
Digital Logic
by
GATEBOOK
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15.3k
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144
views
gb2019dl1
floatingpointrepresentation
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