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Recent questions tagged gate2015-cse-set2

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1
Doubt: gate2005 2015
https://gateoverflow.in/3784/gate2005-it-37 https://gateoverflow.in/8159/gate2015-2-35 (the second answer of this question) both these follow different diagramatic representations how should one go about making these diagrams
https://gateoverflow.in/3784/gate2005-it-37 https://gateoverflow.in/8159/gate2015-2-35 (the second answer of this question) both these follow different diagramatic representations how should one go about making these diagrams
asked Jan 11, 2019 in Theory of Computation TUSHAR_BHATT 195 views
58 votes
4 answers
2
GATE CSE 2015 Set 2 | Question: 55
Which one of the following well-formed formulae is a tautology? $\forall x \, \exists y \, R(x,y) \, \leftrightarrow \, \exists y \, \forall x \, R(x, y)$ ... $\forall x \, \forall y \, P(x,y) \, \rightarrow \, \forall x \, \forall y \, P(y, x)$
Which one of the following well-formed formulae is a tautology? $\forall x \, \exists y \, R(x,y) \, \leftrightarrow \, \exists y \, \forall x \, R(x, y)$ $( \forall x \, [\exists y \, R(x,y) \, \rightarrow \, S(x, y)]) \, \rightarrow \, \forall x \, \exists y \, S(x, y)$ ... $\forall x \, \forall y \, P(x,y) \, \rightarrow \, \forall x \, \forall y \, P(y, x)$
asked Feb 13, 2015 in Mathematical Logic jothee 10.1k views
30 votes
4 answers
3
GATE CSE 2015 Set 2 | Question: 54
Let $X$ and $Y$ denote the sets containing 2 and 20 distinct objects respectively and $F$ denote the set of all possible functions defined from $X$ to $Y$. Let $f$ be randomly chosen from $F$. The probability of $f$ being one-to-one is ______.
Let $X$ and $Y$ denote the sets containing 2 and 20 distinct objects respectively and $F$ denote the set of all possible functions defined from $X$ to $Y$. Let $f$ be randomly chosen from $F$. The probability of $f$ being one-to-one is ______.
asked Feb 13, 2015 in Set Theory & Algebra jothee 4.7k views
28 votes
6 answers
4
GATE CSE 2015 Set 2 | Question: 53
The number of states in the minimal deterministic finite automaton corresponding to the regular expression $(0+1)^* (10)$ is _____.
The number of states in the minimal deterministic finite automaton corresponding to the regular expression $(0+1)^* (10)$ is _____.
asked Feb 13, 2015 in Theory of Computation jothee 7.8k views
67 votes
9 answers
5
GATE CSE 2015 Set 2 | Question: 52
$\text{Host A}$ sends a $\text{UDP}$ datagram containing $8880\text{ bytes}$ of user data to $\text{host B}$ over an $\text{Ethernet LAN}.$ Ethernet frames may carry data up to $1500\text{ bytes (i.e. MTU = 1500 bytes)}.$ Size of $\text{UDP}$ ... be the contents of offset field in the last fragment? $6$ and $925$ $6$ and $7400$ $7$ and $1110$ $7$ and $8880$
$\text{Host A}$ sends a $\text{UDP}$ datagram containing $8880\text{ bytes}$ of user data to $\text{host B}$ over an $\text{Ethernet LAN}.$ Ethernet frames may carry data up to $1500\text{ bytes (i.e. MTU = 1500 bytes)}.$ Size of $\text{UDP}$ ... and what will be the contents of offset field in the last fragment? $6$ and $925$ $6$ and $7400$ $7$ and $1110$ $7$ and $8880$
asked Feb 13, 2015 in Computer Networks jothee 13.4k views
24 votes
3 answers
6
GATE CSE 2015 Set 2 | Question: 51
Which of the following is/are regular languages? $L_1: \left\{ wxw^R \mid w, x \in \{a, b\} ^* \text{ and } |w|, |x| > 0\right\}, w^R \text{ is the reverse of string } w$ $L_2: \left\{ a^nb^m \mid m \neq n \text { and } m, n \geq 0 \right\}$ $L_3: \left\{ a^pb^qc^r \mid p, q, r \geq 0 \right\}$ $L_1$ and $L_3$ only $L_2$ only $L_2$ and $L_3$ only $L_3$ only
Which of the following is/are regular languages? $L_1: \left\{ wxw^R \mid w, x \in \{a, b\} ^* \text{ and } |w|, |x| > 0\right\}, w^R \text{ is the reverse of string } w$ $L_2: \left\{ a^nb^m \mid m \neq n \text { and } m, n \geq 0 \right\}$ $L_3: \left\{ a^pb^qc^r \mid p, q, r \geq 0 \right\}$ $L_1$ and $L_3$ only $L_2$ only $L_2$ and $L_3$ only $L_3$ only
asked Feb 13, 2015 in Theory of Computation jothee 6.1k views
41 votes
4 answers
7
GATE CSE 2015 Set 2 | Question: 50
In a connected graph, a bridge is an edge whose removal disconnects the graph. Which one of the following statements is true? A tree has no bridges A bridge cannot be part of a simple cycle Every edge of a clique with size $\geq 3$ is a bridge (A clique is any complete subgraph of a graph) A graph with bridges cannot have cycle
In a connected graph, a bridge is an edge whose removal disconnects the graph. Which one of the following statements is true? A tree has no bridges A bridge cannot be part of a simple cycle Every edge of a clique with size $\geq 3$ is a bridge (A clique is any complete subgraph of a graph) A graph with bridges cannot have cycle
asked Feb 13, 2015 in Graph Theory jothee 8k views
37 votes
4 answers
8
GATE CSE 2015 Set 2 | Question: 49
Consider a typical disk that rotates at $15000$ rotations per minute (RPM) and has a transfer rate of $50 \times 10^6$ ... the disk transfer time, the average time (in milliseconds) to read or write a $512$-byte sector of the disk is _____
Consider a typical disk that rotates at $15000$ rotations per minute (RPM) and has a transfer rate of $50 \times 10^6$ bytes/sec. If the average seek time of the disk is twice the average rotational delay and the controller's transfer time is $10$ times the disk transfer time, the average time (in milliseconds) to read or write a $512$-byte sector of the disk is _____
asked Feb 13, 2015 in Operating System jothee 9.5k views
74 votes
11 answers
9
GATE CSE 2015 Set 2 | Question: 48
A half adder is implemented with XOR and AND gates. A full adder is implemented with two half adders and one OR gate. The propagation delay of an XOR gate is twice that of an AND/OR gate. The propagation delay of an AND/OR ... binary adder is implemented by using four full adders. The total propagation time of this 4-bit binary adder in microseconds is ______.
A half adder is implemented with XOR and AND gates. A full adder is implemented with two half adders and one OR gate. The propagation delay of an XOR gate is twice that of an AND/OR gate. The propagation delay of an AND/OR gate is 1.2 microseconds ... ripple-carry binary adder is implemented by using four full adders. The total propagation time of this 4-bit binary adder in microseconds is ______.
asked Feb 13, 2015 in Digital Logic jothee 24.8k views
52 votes
3 answers
10
GATE CSE 2015 Set 2 | Question: 47
A computer system implements $8$ $\text{kilobyte}$ pages and a $32-bit$ physical address space. Each page table entry contains a valid bit, a dirty bit, three permission bits, and the translation. If the maximum size of the page table of a process is $24$ $\text{megabytes}$, the length of the virtual address supported by the system is _______ bits.
A computer system implements $8$ $\text{kilobyte}$ pages and a $32-bit$ physical address space. Each page table entry contains a valid bit, a dirty bit, three permission bits, and the translation. If the maximum size of the page table of a process is $24$ $\text{megabytes}$, the length of the virtual address supported by the system is _______ bits.
asked Feb 13, 2015 in Operating System jothee 10.4k views
43 votes
4 answers
11
GATE CSE 2015 Set 2 | Question: 46
Consider a simple checkpointing protocol and the following set of operations in the log. (start, T4); (write, T4, y, 2, 3); (start, T1); (commit, T4); (write, T1, z, 5, 7); (checkpoint); (start, T2); (write, T2, x, 1, 9); (commit, T2); (start, T3); ( ... Undo: T3, T1; Redo: T2 Undo: T3, T1; Redo: T2, T4 Undo: none; Redo: T2, T4, T3, T1 Undo: T3, T1, T4; Redo: T2
Consider a simple checkpointing protocol and the following set of operations in the log. (start, T4); (write, T4, y, 2, 3); (start, T1); (commit, T4); (write, T1, z, 5, 7); (checkpoint); (start, T2); (write, T2, x, 1, 9); (commit, T2); (start, T3); (write, T3, z, 7, 2); ... the redo list? Undo: T3, T1; Redo: T2 Undo: T3, T1; Redo: T2, T4 Undo: none; Redo: T2, T4, T3, T1 Undo: T3, T1, T4; Redo: T2
asked Feb 13, 2015 in Databases jothee 13.3k views
43 votes
6 answers
12
GATE CSE 2015 Set 2 | Question: 45
Suppose you are provided with the following function declaration in the C programming language. int partition(int a[], int n); The function treats the first element of $a[\:]$ as a pivot and rearranges the array so that all elements less than or equal to the pivot is in the ... $(a, $ left_end$, k)$ $(a, n-$left_end$-1, k-$left_end$-1)$ and $(a, $left_end$, k)$
Suppose you are provided with the following function declaration in the C programming language. int partition(int a[], int n); The function treats the first element of $a[\:]$ as a pivot and rearranges the array so that all elements less than or equal to the pivot is in the left part of the array, and ... $(a, $ left_end$, k)$ $(a, n-$left_end$-1, k-$left_end$-1)$ and $(a, $left_end$, k)$
asked Feb 13, 2015 in Algorithms jothee 8.3k views
65 votes
4 answers
13
GATE CSE 2015 Set 2 | Question: 44
Consider the sequence of machine instruction given below: ... forwarding from the PO stage to the OF stage. The number of clock cycles taken for the execution of the above sequence of instruction is _________.
Consider the sequence of machine instruction given below: ... processor uses operand forwarding from the PO stage to the OF stage. The number of clock cycles taken for the execution of the above sequence of instruction is _________.
asked Feb 13, 2015 in CO and Architecture jothee 16k views
3 votes
2 answers
14
GATE CSE 2015 Set 2 | Question: 43
Which one of the following assertions concerning code inspection and code walkthrough is true? Code inspection is carried out once the code has been unit tested Code inspection and code walkthrough are synonyms Adherence to coding standards is checked during code inspection Code walkthrough is usually carried out by an independent test team
Which one of the following assertions concerning code inspection and code walkthrough is true? Code inspection is carried out once the code has been unit tested Code inspection and code walkthrough are synonyms Adherence to coding standards is checked during code inspection Code walkthrough is usually carried out by an independent test team
asked Feb 13, 2015 in IS&Software Engineering jothee 1.6k views
46 votes
2 answers
15
GATE CSE 2015 Set 2 | Question: 42
Consider a processor with byte-addressable memory. Assume that all registers, including program counter (PC) and Program Status Word (PSW), are size of two bytes. A stack in the main memory is implemented from memory location $(0100)_{16}$ and it grows upward. The stack ... value of the stack pointer is: $(016A)_{16}$ $(016C)_{16}$ $(0170)_{16}$ $(0172)_{16}$
Consider a processor with byte-addressable memory. Assume that all registers, including program counter (PC) and Program Status Word (PSW), are size of two bytes. A stack in the main memory is implemented from memory location $(0100)_{16}$ and it grows upward. The stack pointer (SP) points to ... , the value of the stack pointer is: $(016A)_{16}$ $(016C)_{16}$ $(0170)_{16}$ $(0172)_{16}$
asked Feb 13, 2015 in CO and Architecture jothee 8.6k views
21 votes
5 answers
16
GATE CSE 2015 Set 2 | Question: 41
Consider the following routing table at an IP router: $\begin{array}{|l|l|l|} \hline \textbf {Network No} & \textbf {Net Mask} & \textbf{Next Hop} \\\hline \text {128.96.170.0} & \text{255.255.254.0} & \text{Interface $ ... -c, iii-e, iv-d i-a, ii-d, iii-b, iv-e i-b, ii-c, iii-d, iv-e i-b, ii-c, iii-e, iv-d
Consider the following routing table at an IP router: $\begin{array}{|l|l|l|} \hline \textbf {Network No} & \textbf {Net Mask} & \textbf{Next Hop} \\\hline \text {128.96.170.0} & \text{255.255.254.0} & \text{Interface $0$} \\\hline\text {128.96.168.0} & \text{255.255.254.0} & \text{Interface $ ... i-a, ii-c, iii-e, iv-d i-a, ii-d, iii-b, iv-e i-b, ii-c, iii-d, iv-e i-b, ii-c, iii-e, iv-d
asked Feb 13, 2015 in Computer Networks jothee 6.9k views
38 votes
12 answers
17
GATE CSE 2015 Set 2 | Question: 40
The number of onto functions (surjective functions) from set $X = \{1, 2, 3, 4\}$ to set $Y=\{a,b,c\}$ is ______.
The number of onto functions (surjective functions) from set $X = \{1, 2, 3, 4\}$ to set $Y=\{a,b,c\}$ is ______.
asked Feb 13, 2015 in Set Theory & Algebra jothee 11.7k views
7 votes
2 answers
18
GATE CSE 2015 Set 2 | Question: 39
The secant method is used to find the root of an equation $f(x)=0$. It is started from two distinct estimates $x_a$ and $x_b$ for the root. It is an iterative procedure involving linear interpolation to a root. The iteration stops if $f(x_b)$ is very small and then $x_b$ is ... $x_b - (x_b-x_a) f_b / (f_b-f(x_a)) $ $x_a - (x_b-x_a) f_a / (f_b-f(x_a)) $
The secant method is used to find the root of an equation $f(x)=0$. It is started from two distinct estimates $x_a$ and $x_b$ for the root. It is an iterative procedure involving linear interpolation to a root. The iteration stops if $f(x_b)$ is very small and then $x_b$ is the solution. The procedure ... $x_b - (x_b-x_a) f_b / (f_b-f(x_a)) $ $x_a - (x_b-x_a) f_a / (f_b-f(x_a)) $
asked Feb 13, 2015 in Numerical Methods jothee 2.5k views
29 votes
3 answers
19
GATE CSE 2015 Set 2 | Question: 38
Consider the C program below #include <stdio.h> int *A, stkTop; int stkFunc (int opcode, int val) { static int size=0, stkTop=0; switch (opcode) { case -1: size = val; break; case 0: if (stkTop < size ) A[stkTop++]=val; break; default ... 0, 10); printf ("%d\n", stkFunc(1, 0)+ stkFunc(1, 0)); } The value printed by the above program is ________.
Consider the C program below #include <stdio.h> int *A, stkTop; int stkFunc (int opcode, int val) { static int size=0, stkTop=0; switch (opcode) { case -1: size = val; break; case 0: if (stkTop < size ) A[stkTop++]=val; break; default: if (stkTop) return A[--stkTop]; } ... 0, 5); stkFunc (0, 10); printf ("%d\n", stkFunc(1, 0)+ stkFunc(1, 0)); } The value printed by the above program is ________.
asked Feb 12, 2015 in DS jothee 5.6k views
39 votes
12 answers
20
GATE CSE 2015 Set 2 | Question: 37
The number of min-terms after minimizing the following Boolean expression is _______. [D'+AB'+A'C+AC'D+A'C'D]'
The number of min-terms after minimizing the following Boolean expression is _______. [D'+AB'+A'C+AC'D+A'C'D]'
asked Feb 12, 2015 in Digital Logic jothee 8.4k views
22 votes
3 answers
21
GATE CSE 2015 Set 2 | Question: 36
Given below are some algorithms, and some algorithm design paradigms. ... $\text{1-iii, 2-ii, 3-i, 4-iv}$ $\text{1-iii, 2-ii, 3-i, 4-v}$
Given below are some algorithms, and some algorithm design paradigms. ... $\text{1-iii, 2-ii, 3-i, 4-iv}$ $\text{1-iii, 2-ii, 3-i, 4-v}$
asked Feb 12, 2015 in Algorithms jothee 3.8k views
43 votes
11 answers
22
GATE CSE 2015 Set 2 | Question: 35
Consider the alphabet $\Sigma = \{0, 1\}$, the null/empty string $\lambda$ and the set of strings $X_0, X_1, \text{ and } X_2$ generated by the corresponding non-terminals of a regular grammar. $X_0, X_1, \text{ and } X_2$ are related as follows. $X_0 = 1 X_1$ $X_1 = 0 X_1 + 1 X_2$ ... $10(0^*+(10)^*)1$ $10(0^*+(10)^*)^*1$ $1(0+10)^*1$ $10(0+10)^*1 +110(0+10)^*1$
Consider the alphabet $\Sigma = \{0, 1\}$, the null/empty string $\lambda$ and the set of strings $X_0, X_1, \text{ and } X_2$ generated by the corresponding non-terminals of a regular grammar. $X_0, X_1, \text{ and } X_2$ are related as follows. $X_0 = 1 X_1$ $X_1 = 0 X_1 + 1 X_2$ ... in $X_0$? $10(0^*+(10)^*)1$ $10(0^*+(10)^*)^*1$ $1(0+10)^*1$ $10(0+10)^*1 +110(0+10)^*1$
asked Feb 12, 2015 in Theory of Computation jothee 9k views
54 votes
5 answers
23
GATE CSE 2015 Set 2 | Question: 34
Assume that the bandwidth for a $TCP$ connection is $1048560$ bits/sec. Let $\alpha$ be the value of RTT in milliseconds (rounded off to the nearest integer) after which the $TCP$ window scale option is needed. Let $\beta$ be the maximum possible window size with ... $500$ milliseconds, $65535$ $\times $2$^{14}$ $500$ milliseconds, $65535$ $\times $2$^{16}$
Assume that the bandwidth for a $TCP$ connection is $1048560$ bits/sec. Let $\alpha$ be the value of RTT in milliseconds (rounded off to the nearest integer) after which the $TCP$ window scale option is needed. Let $\beta$ be the maximum possible window size with window scale option. Then ... $^{16}$ $500$ milliseconds, $65535$ $\times $2$^{14}$ $500$ milliseconds, $65535$ $\times $2$^{16}$
asked Feb 12, 2015 in Computer Networks jothee 16.4k views
47 votes
3 answers
24
GATE CSE 2015 Set 2 | Question: 33
Which one of the following hash functions on integers will distribute keys most uniformly over $10$ buckets numbered $0$ to $9$ for $i$ ranging from $0$ to $2020$? $h(i) = i^2 \text{mod } 10$ $h(i) = i^3 \text{mod } 10$ $h(i) = (11 \ast i^2) \text{mod } 10$ $h(i) = (12 \ast i^2) \text{mod } 10$
Which one of the following hash functions on integers will distribute keys most uniformly over $10$ buckets numbered $0$ to $9$ for $i$ ranging from $0$ to $2020$? $h(i) = i^2 \text{mod } 10$ $h(i) = i^3 \text{mod } 10$ $h(i) = (11 \ast i^2) \text{mod } 10$ $h(i) = (12 \ast i^2) \text{mod } 10$
asked Feb 12, 2015 in DS jothee 8.2k views
27 votes
2 answers
25
GATE CSE 2015 Set 2 | Question: 32
Consider two relations $R_1(A,B)$ with the tuples $(1,5), (3,7)$ and $R_2(A,C) = (1,7),(4,9)$. Assume that $R(A,B,C)$ is the full natural outer join of $R_1$ and $R_2$ ... contains all $a, b, c, d, e, f, g$. $R$ contains $e, f, g$ but not $a, b$. $R$ contains $e$ but not $f, g$.
Consider two relations $R_1(A,B)$ with the tuples $(1,5), (3,7)$ and $R_2(A,C) = (1,7),(4,9)$. Assume that $R(A,B,C)$ is the full natural outer join of $R_1$ and $R_2$ ... $R$ contains all $a, b, c, d, e, f, g$. $R$ contains $e, f, g$ but not $a, b$. $R$ contains $e$ but not $f, g$.
asked Feb 12, 2015 in Databases jothee 4.6k views
57 votes
8 answers
26
GATE CSE 2015 Set 2 | Question: 31
A Young tableau is a $2D$ array of integers increasing from left to right and from top to bottom. Any unfilled entries are marked with $\infty$, and hence there cannot be any entry to the right of, or below a $\infty$. The following Young tableau ... The minimum number of entries (other than $1$) to be shifted, to remove $1$ from the given Young tableau is _____.
A Young tableau is a $2D$ array of integers increasing from left to right and from top to bottom. Any unfilled entries are marked with $\infty$, and hence there cannot be any entry to the right of, or below a $\infty$. The following Young tableau consists of unique ... $1$) to be shifted, to remove $1$ from the given Young tableau is _____.
asked Feb 12, 2015 in DS jothee 6.7k views
28 votes
4 answers
27
GATE CSE 2015 Set 2 | Question: 30
Consider $6$ memory partitions of sizes $200$ $\text{KB}$, $400$ $\text{KB}$, $600$ $\text{KB}$, $500$ $\text{KB}$, $300$ $\text{KB}$and $250$ $\text{KB}$, where $\text{KB}$refers to $\text{kilobyte}$. These partitions need to be allotted to four processes of ... and $250$ $\text{KB}$ $250$ $\text{KB}$ and $300$ $\text{KB}$ $300$ $\text{KB}$ and $400$ $\text{KB}$
Consider $6$ memory partitions of sizes $200$ $\text{KB}$, $400$ $\text{KB}$, $600$ $\text{KB}$, $500$ $\text{KB}$, $300$ $\text{KB}$and $250$ $\text{KB}$, where $\text{KB}$refers to $\text{kilobyte}$. These partitions need to be allotted to four processes of sizes $357$ ... $\text{KB}$ and $250$ $\text{KB}$ $250$ $\text{KB}$ and $300$ $\text{KB}$ $300$ $\text{KB}$ and $400$ $\text{KB}$
asked Feb 12, 2015 in Operating System jothee 4k views
32 votes
5 answers
28
GATE CSE 2015 Set 2 | Question: 29
Consider the intermediate code given below. (1) i=1 (2) j=1 (3) t1 = 5 * i (4) t2 = t1 + j (5) t3 = 4 * t2 (6) t4 = t3 (7) a[t4] = -1 (8) j = j + 1 (9) if j <= 5 goto (3) (10) i = i +1 (11) if i < 5 goto (2) The number of nodes and edges in control-flow-graph constructed for the above code, respectively, are 5 and 7 6 and 7 5 and 5 7 and 8
Consider the intermediate code given below. (1) i=1 (2) j=1 (3) t1 = 5 * i (4) t2 = t1 + j (5) t3 = 4 * t2 (6) t4 = t3 (7) a[t4] = -1 (8) j = j + 1 (9) if j <= 5 goto (3) (10) i = i +1 (11) if i < 5 goto (2) The number of nodes and edges in control-flow-graph constructed for the above code, respectively, are 5 and 7 6 and 7 5 and 5 7 and 8
asked Feb 12, 2015 in Compiler Design jothee 13.9k views
21 votes
4 answers
29
GATE CSE 2015 Set 2 | Question: 28
A graph is self-complementary if it is isomorphic to its complement. For all self-complementary graphs on $n$ vertices, $n$ is A multiple of 4 Even Odd Congruent to 0 $mod$ 4, or, 1 $mod$ 4.
A graph is self-complementary if it is isomorphic to its complement. For all self-complementary graphs on $n$ vertices, $n$ is A multiple of 4 Even Odd Congruent to 0 $mod$ 4, or, 1 $mod$ 4.
asked Feb 12, 2015 in Graph Theory jothee 4.9k views
27 votes
4 answers
30
GATE CSE 2015 Set 2 | Question: 27
Perform the following operations on the matrix $\begin{bmatrix} 3 & 4 & 45 \\ 7 & 9 & 105 \\ 13 & 2 & 195 \end{bmatrix}$ Add the third row to the second row Subtract the third column from the first column. The determinant of the resultant matrix is _____.
Perform the following operations on the matrix $\begin{bmatrix} 3 & 4 & 45 \\ 7 & 9 & 105 \\ 13 & 2 & 195 \end{bmatrix}$ Add the third row to the second row Subtract the third column from the first column. The determinant of the resultant matrix is _____.
asked Feb 12, 2015 in Linear Algebra jothee 3.6k views
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