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1
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1
GATE CSE 2013 | Question: 50
The procedure given below is required to find and replace certain characters inside an input character string supplied in array $A$. The characters to be replaced are supplied in array $oldc$ ... given above, how many test cases will be able to capture the flaw? Only one Only two Only three All four
answered
in
DS
Nov 4, 2021
14.3k
views
gatecse-2013
data-structures
array
normal
1
vote
2
GATE CSE 2011 | Question: 33
Consider a finite sequence of random values $X=[x_1,x_2,\dots x_n]$. Let $\mu_x$ be the mean and $\sigma_x$ be the standard deviation of $X$. Let another finite sequence $Y$ of equal length be derived from this as $y_i=a*x_i+b$, where $a$ and $b$ are positive ... $Y$ in $Y$ $\mu_y=a \mu_x + b$ $\sigma_y=a \sigma_x + b$
answered
in
Probability
Sep 16, 2021
8.3k
views
gatecse-2011
probability
random-variable
normal
0
votes
3
GATE CSE 2014 Set 3 | Question: 48
Let $S$ be a sample space and two mutually exclusive events $A$ and $B$ be such that $A \cup B = S$. If $P(.)$ denotes the probability of the event, the maximum value of $P(A)P(B)$ is_____.
answered
in
Probability
Sep 12, 2021
8.8k
views
gatecse-2014-set3
probability
numerical-answers
normal
14
votes
4
GATE CSE 2001 | Question: 22
We wish to construct a $B^+$ tree with fan-out (the number of pointers per node) equal to $3$ for the following set of key values: $80, 50, 10, 70, 30, 100, 90$ Assume that the tree is initially empty and the values are added in the order ... need not be shown. The key values $30$ and $10$ are now deleted from the tree in that order show the tree after each deletion.
answered
in
Databases
Sep 11, 2021
4.8k
views
gatecse-2001
databases
b-tree
normal
descriptive
0
votes
5
Number System Representation
Why 1’s and 2’s representation of +ve signed numbers are same as the signed-magnitude-representation of that number, but 1’s and 2’s representation of -ve signed numbers are different than their signed-magnitude-representation. I mean why don’t we apply the same rule of conversion of 1’s or 2’s representation for +ve number also?
answered
in
Digital Logic
Sep 9, 2021
350
views
1
vote
6
GATE CSE 1996 | Question: 2.25
A micro program control unit is required to generate a total of $25$ control signals. Assume that during any micro instruction, at most two control signals are active. Minimum number of bits required in the control word to generate the required control signals will be: $2$ $2.5$ $10$ $12$
answered
in
CO and Architecture
Sep 7, 2021
24.7k
views
gate1996
co-and-architecture
microprogramming
normal
0
votes
7
GATE CSE 1994 | Question: 12
Assume that a CPU has only two registers $R_1$ and $R_2$ and that only the following instruction is available $XOR \: R_i, R_j;\{R_j \leftarrow R_i \oplus R_j, \text{ for } i, j =1, 2\}$ Using this XOR instruction, find an instruction sequence in ... and $R_2$ The line p of the circuit shown in figure has stuck at $1$ fault. Determine an input test to detect the fault.
answered
in
CO and Architecture
Sep 5, 2021
3.8k
views
gate1994
co-and-architecture
machine-instruction
normal
descriptive
2
votes
8
GATE CSE 2001 | Question: 2.24
Which of the following relational calculus expression is not safe? $\left\{t \mid \exists u \in R_1\left(t[A] = u[A]\right) \land \neg \exists s \in R_2 \left(t[A] = s[A]\right)\right\}$ ...
answered
in
Databases
Aug 28, 2021
8.6k
views
gatecse-2001
relational-calculus
normal
databases
3
votes
9
GATE CSE 2012 | Question: 51
Consider the following relations $A, B$ and $C:$ ... contain? SELECT A.Id FROM A WHERE A.Age > ALL (SELECT B.Age FROM B WHERE B.Name = Arun') $4$ $3$ $0$ $1$
answered
in
Databases
Aug 24, 2021
13.7k
views
gatecse-2012
databases
sql
normal
5
votes
10
GATE CSE 1988 | Question: 12iii
Describe the relational algebraic expression giving the relation returned by the following SQL query. Select SNAME from S Where SNOin (select SNO from SP where PNOin (select PNO from P Where COLOUR='BLUE'))
answered
in
Databases
Aug 18, 2021
2.0k
views
gate1988
normal
descriptive
databases
sql
0
votes
11
GATE CSE 1991 | Question: 03,xiii
Let $r=1(1+0)^*, s=11^*0 \text{ and } t=1^*0 $ be three regular expressions. Which one of the following is true? $L(s) \subseteq L(r)$ and $L(s) \subseteq L(t)$ $L(r) \subseteq L(s)$ and $L(s) \subseteq L(t)$ $L(s) \subseteq L(t)$ and $L(s) \subseteq L(r)$ $L(t) \subseteq L(s)$ and $L(s) \subseteq L(r)$ None of the above
answered
in
Theory of Computation
Aug 12, 2021
11.5k
views
gate1991
theory-of-computation
regular-expression
normal
multiple-selects
4
votes
12
GATE CSE 1996 | Question: 2.23
Consider the following state table for a sequential machine. The number of states in the minimized machine will be ... $4$ $3$ $2$ $1$
answered
in
Digital Logic
Aug 9, 2021
12.9k
views
gate1996
normal
finite-automata
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