Recent activity by Syeda97 / GATE Overflow for GATE CSE

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1

er diagram to relational model conversion
In case of 1:1 relationships, when can we have a minimum of 1 table? when both the entities have total participation when atleast one entity have total participation

In case of 1:1 relationships, when can we have a minimum of 1 table?when both the entities have total participationwhen atleast one entity have total participation

500 views

commented Jan 26, 2019

8 answers

2

GATE CSE 2018 | Question: 54
Consider an IP packet with a length of $4,500\;\text{bytes}$ that includes a $20\text{-byte}\;\textsf{IPv4}$ header ans $40\text{-byte}$ TCP header. The packet is forwarded to an $\textsf{IPv4}$ router that supports a ... that the fragmentation offset value stored in the first fragment is $0$. The fragmentation offset value stored in the third fragment is ________.

Consider an IP packet with a length of $4,500\;\text{bytes}$ that includes a $20\text{-byte}\;\textsf{IPv4}$ header ans $40\text{-byte}$ TCP header. The packet is forward...

19.2k views

commented Jan 26, 2019

4 answers

3

GATE CSE 2016 Set 1 | Question: 52
Consider that $B$ wants to send a message $m$ that is digitally signed to $A$. Let the pair of private and public keys for $A$ and $B$ be denoted by ${K_{x}}^-$ and ${K_{x}}^+$ for $x=A, B$, respectively. Let $K_{x}(m)$ represent the operation of encrypting $m$ with a ... $\left\{m, {K_{A}}^-(H(m))\right\}$ $\left\{m, {K_{A}}^+(m)\right\}$

Consider that $B$ wants to send a message $m$ that is digitally signed to $A$. Let the pair of private and public keys for $A$ and $B$ be denoted by ${K_{x}}^-$ and ${K_{...

8.6k views

commented Nov 8, 2018

6 answers

4

GATE CSE 1995 | Question: 2.4
What is the value of $X$ printed by the following program? program COMPUTE (input, output); var X:integer; procedure FIND (X:real); begin X:=sqrt(X); end; begin X:=2 FIND(X); writeln(X); end. $2$ $\sqrt{2}$ Run time error None of the above

What is the value of $X$ printed by the following program?program COMPUTE (input, output); var X:integer; procedure FIND (X:real); begin X:=sqrt(X); end; begin X:=2 FIND(...

7.1k views

commented Oct 22, 2018

4 answers

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GATE CSE 1997 | Question: 11
Consider the grammar $S \rightarrow bSe$ $S \rightarrow PQR$ $P \rightarrow bPc$ $P \rightarrow \varepsilon$ $Q \rightarrow cQd$ $Q \rightarrow \varepsilon$ $R \rightarrow dRe$ $R \rightarrow \varepsilon$ where $S, P, Q, R$ ... $i, j, k, m$? Find the smallest string that has two parse trees.

Consider the grammar$S \rightarrow bSe$$S \rightarrow PQR$$P \rightarrow bPc$$P \rightarrow \varepsilon$$Q \rightarrow cQd$$Q \rightarrow \varepsilon$$R \rightarrow dRe...

6.5k views

commented Oct 21, 2018

4 answers

6

ISI 2017
For each positive integer $n$ consider the set $S_n$ defined as follows: $S_1 = \{1\},\:S_2 = \{2, 3\},\:S_3 = \{4,5,6\}, \: \dots $ and in general, $S_{n+1}$ consists of $n+1$ consecutive integers the smallest of which is one more than the largest integer in $S_n$. Then the sum of all the integers in $S_{21}$ equals to $1113$ $53361$ $5082$ $4641$

For each positive integer $n$ consider the set $S_n$ defined as follows: $S_1 = \{1\},\:S_2 = \{2, 3\},\:S_3 = \{4,5,6\}, \: \dots $ and in general, $S_{n+1}$ consists of...

1.8k views

answered Oct 16, 2018

4 answers

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GATE CSE 2004 | Question: 27
Let $A, B, C, D$ be $n \times n$ matrices, each with non-zero determinant. If $ABCD = I$, then $B^{-1}$ is $D^{-1}C^{-1}A^{-1}$ $CDA$ $ADC$ Does not necessarily exist

Let $A, B, C, D$ be $n \times n$ matrices, each with non-zero determinant. If $ABCD = I$, then $B^{-1}$ is $D^{-1}C^{-1}A^{-1}$ $CDA$ $ADC$ Does not necessarily e...

10.2k views

answered Oct 9, 2018

8 answers

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GATE IT 2006 | Question: 68
On a wireless link, the probability of packet error is $0.2$. A stop-and-wait protocol is used to transfer data across the link. The channel condition is assumed to be independent of transmission to transmission. What is the average number of transmission attempts required to transfer $100$ packets? $100$ $125$ $150$ $200$

On a wireless link, the probability of packet error is $0.2$. A stop-and-wait protocol is used to transfer data across the link. The channel condition is assumed to be in...

13.5k views

answered Sep 11, 2018

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