Recent questions tagged gate2003

2 votes

2 answers

1

Doubt Algorithms Gate 2003
2^2n =O(2^n) True or False Its false but why

2^2n =O(2^n) True or False Its false but why

asked Nov 26, 2017 in Algorithms aka 53 232 views

5 votes

0 answers

2

Modified GATE 2003 question
Consider this GATE 2003 question: https://gateoverflow.in/937/gate2003-46 Here, instead of XOR gates we had OR gates, then which of the following operations can we perform? $A + B, A - B\ and\ A + 1$

Consider this GATE 2003 question: https://gateoverflow.in/937/gate2003-46 Here, instead of XOR gates we had OR gates, then which of the following operations can we perform? $A + B, A - B\ and\ A + 1$

asked Nov 3, 2017 in CO and Architecture Rishabh Gupta 2 352 views

4 votes

0 answers

3

#Gate2003
Consider the following logic program P A(x) <- B(x, y), C(y) <- B(x,x) Which of the following first order sentences is equivalent to P? Can anyone explain how it can be solved ?

Consider the following logic program P A(x) <- B(x, y), C(y) <- B(x,x) Which of the following first order sentences is equivalent to P? Can anyone explain how it can be solved ?

asked Jun 29, 2017 in Mathematical Logic Syedarshadali 508 views

53 votes

3 answers

4

GATE2003-79
A processor uses $\text{2-level}$ page tables for virtual to physical address translation. Page tables for both levels are stored in the main memory. Virtual and physical addresses are both $32$ bits wide. The memory is byte addressable. For virtual to physical address translation, the $10$ ... the page tables of this process is $\text{8 KB}$ $\text{12 KB}$ $\text{16 KB}$ $\text{20 KB}$

A processor uses $\text{2-level}$ page tables for virtual to physical address translation. Page tables for both levels are stored in the main memory. Virtual and physical addresses are both $32$ bits wide. The memory is byte addressable. For virtual to physical address translation, the $10$ most ... the page tables of this process is $\text{8 KB}$ $\text{12 KB}$ $\text{16 KB}$ $\text{20 KB}$

asked Apr 24, 2016 in Operating System jothee 9.6k views

22 votes

3 answers

5

GATE2003-49
Consider the following assembly language program for a hypothetical processor A, B, and C are 8 bit registers. The meanings of various instructions are shown as comments. MOV B, #0 ; $B \leftarrow 0$ MOV C, #8 ; $C \leftarrow 8$ Z: CMP C, #0 ; compare C with 0 JZ ... same as its initial value? RRC A, #1 NOP ; no operation LRC A, #1; left rotate A through carry flag by one bit ADD A, #1

Consider the following assembly language program for a hypothetical processor A, B, and C are 8 bit registers. The meanings of various instructions are shown as comments. MOV B, #0 ; $B \leftarrow 0$ MOV C, #8 ; $C \leftarrow 8$ Z: CMP C, #0 ; compare C with 0 JZ X ; jump ... as same as its initial value? RRC A, #1 NOP ; no operation LRC A, #1; left rotate A through carry flag by one bit ADD A, #1

asked Apr 24, 2016 in CO and Architecture jothee 3.9k views

44 votes

6 answers

6

GATE2003-62
In a permutation $a_1 ... a_n$, of $n$ distinct integers, an inversion is a pair $(a_i, a_j)$ such that $i < j$ and $a_i > a_j$. What would be the worst case time complexity of the Insertion Sort algorithm, if the inputs are restricted to permutations of $1. . . n$ with at most $n$ inversions? $\Theta(n^2)$ $\Theta(n\log n)$ $\Theta(n^{1.5})$ $\Theta(n)$

In a permutation $a_1 ... a_n$, of $n$ distinct integers, an inversion is a pair $(a_i, a_j)$ such that $i < j$ and $a_i > a_j$. What would be the worst case time complexity of the Insertion Sort algorithm, if the inputs are restricted to permutations of $1. . . n$ with at most $n$ inversions? $\Theta(n^2)$ $\Theta(n\log n)$ $\Theta(n^{1.5})$ $\Theta(n)$

asked Apr 24, 2016 in Algorithms jothee 7.8k views

28 votes

6 answers

7

GATE2003-74
The following program fragment is written in a programming language that allows global variables and does not allow nested declarations of functions. global int i=100, j=5; void P(x) { int i=10; print(x+10); i=200; j=20; print (x); } main() {P(i+j);} If ... and call by name parameter passing mechanism, the values printed by the above program are $115, 220$ $25, 220$ $25, 15$ $115, 105$

The following program fragment is written in a programming language that allows global variables and does not allow nested declarations of functions. global int i=100, j=5; void P(x) { int i=10; print(x+10); i=200; j=20; print (x); } main() {P(i+j);} If the ... scoping and call by name parameter passing mechanism, the values printed by the above program are $115, 220$ $25, 220$ $25, 15$ $115, 105$

asked Apr 24, 2016 in Compiler Design jothee 3.7k views

38 votes

5 answers

8

GATE2003-81
Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ ... $1$ $V(S)$ at $W, V(T)$ at $X, P(S)$ at $Y, P(T)$ at $Z, S$ and $T$ initially $1$

Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ ... $Z, S$ initially $1$ $V(S)$ at $W, V(T)$ at $X, P(S)$ at $Y, P(T)$ at $Z, S$ and $T$ initially $1$

asked Apr 24, 2016 in Operating System jothee 4.7k views

36 votes

6 answers

9

GATE2003-47
Consider the following circuit composed of XOR gates and non-inverting buffers. The non-inverting buffers have delays $\delta_1 = 2 ns$ and $\delta_2 = 4 ns$ as shown in the figure. Both XOR gates and all wires have zero delays. Assume that all gate inputs, outputs, and wires are stable ... change of logic levels) occur(s) at $B$ during the interval from $0$ to $10$ ns? $1$ $2$ $3$ $4$

Consider the following circuit composed of XOR gates and non-inverting buffers. The non-inverting buffers have delays $\delta_1 = 2 ns$ and $\delta_2 = 4 ns$ as shown in the figure. Both XOR gates and all wires have zero delays. Assume that all gate inputs, outputs, and wires are stable at logic ... (change of logic levels) occur(s) at $B$ during the interval from $0$ to $10$ ns? $1$ $2$ $3$ $4$

asked Dec 2, 2015 in Digital Logic shikharV 6.6k views

41 votes

6 answers

10

GATE2003-23
In a min-heap with $n$ elements with the smallest element at the root, the $7^{th}$ smallest element can be found in time $\Theta (n \log n)$ $\Theta (n)$ $\Theta(\log n)$ $\Theta(1)$

In a min-heap with $n$ elements with the smallest element at the root, the $7^{th}$ smallest element can be found in time $\Theta (n \log n)$ $\Theta (n)$ $\Theta(\log n)$ $\Theta(1)$

asked Sep 19, 2014 in DS Disha 11.7k views

30 votes

4 answers

11

GATE2003-90
Consider the function $f$ defined below. struct item { int data; struct item * next; }; int f(struct item *p) { return ((p == NULL) || (p->next == NULL)|| ((p->data <= p ->next -> data) && f(p->next) ... -decreasing order of data value the elements in the list are sorted in non-increasing order of data value not all elements in the list have the same data value

Consider the function $f$ defined below. struct item { int data; struct item * next; }; int f(struct item *p) { return ((p == NULL) || (p->next == NULL)|| ((p->data <= p ->next -> data) && f(p->next))); } For a given linked list ... in non-decreasing order of data value the elements in the list are sorted in non-increasing order of data value not all elements in the list have the same data value

asked Sep 17, 2014 in DS Kathleen 4.8k views

25 votes

6 answers

12

GATE2003-89
Consider the C program shown below: #include<stdio.h> #define print(x) printf("%d", x) int x; void Q(int z) { z+=x; print(z); } void P(int *y) { int x = *y + 2; Q(x); *y = x - 1; print(x); } main(void) { x = 5; P(&x); print(x); } The output of this program is: $12 \ 7 \ 6$ $22 \ 12 \ 11$ $14 \ 6 \ 6$ $7 \ 6 \ 6$

Consider the C program shown below: #include<stdio.h> #define print(x) printf("%d", x) int x; void Q(int z) { z+=x; print(z); } void P(int *y) { int x = *y + 2; Q(x); *y = x - 1; print(x); } main(void) { x = 5; P(&x); print(x); } The output of this program is: $12 \ 7 \ 6$ $22 \ 12 \ 11$ $14 \ 6 \ 6$ $7 \ 6 \ 6$

asked Sep 17, 2014 in Programming Kathleen 4.6k views

37 votes

6 answers

13

GATE2003-88
In the following $C$ program fragment, $j$, $k$, $n$ and TwoLog_n are integer variables, and $A$ is an array of integers. The variable $n$ is initialized to an integer $\geqslant 3$, and TwoLog_n is initialized to the value of $2^*\lceil \log_2(n) \rceil$ for (k = 3; k <= n; ... $\left\{m \mid m \leq n, \text{m is prime} \right\}$ { }

In the following $C$ program fragment, $j$, $k$, $n$ and TwoLog_n are integer variables, and $A$ is an array of integers. The variable $n$ is initialized to an integer $\geqslant 3$, and TwoLog_n is initialized to the value of $2^*\lceil \log_2(n) \rceil$ for (k = 3; k <= n; k++) A[k] ... $\left\{m \mid m \leq n, \text{m is prime} \right\}$ { }

asked Sep 17, 2014 in Algorithms Kathleen 4.3k views

28 votes

4 answers

14

GATE2003-87
Consider three data items $D1, D2,$ and $D3,$ and the following execution schedule of transactions $T1, T2,$ and $T3.$ In the diagram, $R(D)$ and $W(D)$ denote the actions reading and writing the data item $D$ ... $T2; T1; T3$ The schedule is serializable as $T3; T2; T1$ The schedule is not serializable

Consider three data items $D1, D2,$ and $D3,$ and the following execution schedule of transactions $T1, T2,$ and $T3.$ In the diagram, $R(D)$ and $W(D)$ denote the actions reading and writing the data item $D$ ... $T2; T3; T1$ The schedule is serializable as $T2; T1; T3$ The schedule is serializable as $T3; T2; T1$ The schedule is not serializable

asked Sep 17, 2014 in Databases Kathleen 3.4k views

29 votes

3 answers

15

GATE2003-86
Consider the set of relations shown below and the SQL query that follows. Students: (Roll_number, Name, Date_of_birth) Courses: (Course_number, Course_name, Instructor) Grades: (Roll_number, Course_number, Grade) Select distinct Name from Students, Courses, Grades where Students. ... of students who have got an A grade in at least one of the courses taught by Korth None of the above

Consider the set of relations shown below and the SQL query that follows. Students: (Roll_number, Name, Date_of_birth) Courses: (Course_number, Course_name, Instructor) Grades: (Roll_number, Course_number, Grade) Select distinct Name from Students, Courses, Grades where Students.Roll_number= ... of students who have got an A grade in at least one of the courses taught by Korth None of the above

asked Sep 17, 2014 in Databases Kathleen 5.1k views

29 votes

3 answers

16

GATE2003-85
Consider the following functional dependencies in a database. ... Age) is in second normal form but not in third normal form in third normal form but not in BCNF in BCNF in none of the above

Consider the following functional dependencies in a database. ... , Age) is in second normal form but not in third normal form in third normal form but not in BCNF in BCNF in none of the above

asked Sep 17, 2014 in Databases Kathleen 5.2k views

53 votes

7 answers

17

GATE2003-84
Host $A$ is sending data to host $B$ over a full duplex link. $A$ and $B$ are using the sliding window protocol for flow control. The send and receive window sizes are $5$ packets each. Data packets (sent only from $A$ to $B$) are all $1000$ bytes long and the transmission ... communication? $7.69 \times 10^6$ Bps $11.11 \times 10^6$ Bps $12.33 \times 10^6$ Bps $15.00 \times 10^6$ Bps

Host $A$ is sending data to host $B$ over a full duplex link. $A$ and $B$ are using the sliding window protocol for flow control. The send and receive window sizes are $5$ packets each. Data packets (sent only from $A$ to $B$) are all $1000$ bytes long and the transmission time for ... communication? $7.69 \times 10^6$ Bps $11.11 \times 10^6$ Bps $12.33 \times 10^6$ Bps $15.00 \times 10^6$ Bps

asked Sep 17, 2014 in Computer Networks Kathleen 11.6k views

21 votes

7 answers

18

GATE2003-83
A $2$ $km$ long broadcast LAN has $10^7$ bps bandwidth and uses CSMA/CD. The signal travels along the wire at $2 \times 10^8$ m/s. What is the minimum packet size that can be used on this network? $50$ $\text{bytes}$ $100$ $\text{bytes}$ $200$ $\text{bytes}$ None of the above

A $2$ $km$ long broadcast LAN has $10^7$ bps bandwidth and uses CSMA/CD. The signal travels along the wire at $2 \times 10^8$ m/s. What is the minimum packet size that can be used on this network? $50$ $\text{bytes}$ $100$ $\text{bytes}$ $200$ $\text{bytes}$ None of the above

asked Sep 17, 2014 in Computer Networks Kathleen 4.6k views

31 votes

6 answers

19

GATE2003-82, ISRO2009-1
The subnet mask for a particular network is $255.255.31.0.$ Which of the following pairs of $\text{IP}$ addresses could belong to this network? $172.57.88.62$ and $172.56.87.23$ $10.35.28.2$ and $10.35.29.4$ $191.203.31.87$ and $191.234.31.88$ $128.8.129.43$ and $128.8.161.55$

The subnet mask for a particular network is $255.255.31.0.$ Which of the following pairs of $\text{IP}$ addresses could belong to this network? $172.57.88.62$ and $172.56.87.23$ $10.35.28.2$ and $10.35.29.4$ $191.203.31.87$ and $191.234.31.88$ $128.8.129.43$ and $128.8.161.55$

asked Sep 17, 2014 in Computer Networks Kathleen 10.7k views

20 votes

3 answers

20

GATE2003-80
Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ is shown below. Process P: Process Q: while(1) { while(1) { W: Y: print '0'; print '1'; print '0'; print '1'; X: Z: } } Synchronization statements ... $P(S)$ at $W, V(S)$ at $X, P(T)$ at $Y, V(T)$ at $Z, S$ initially $1$ , and $T$ initially $0$

Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ is shown below. Process P: Process Q: while(1) { while(1) { W: Y: print '0'; print '1'; print '0'; print '1'; X: Z: } } Synchronization statements can be ... $P(S)$ at $W, V(S)$ at $X, P(T)$ at $Y, V(T)$ at $Z, S$ initially $1$ , and $T$ initially $0$

asked Sep 17, 2014 in Operating System Kathleen 2.7k views

60 votes

3 answers

21

GATE2003-77
A uni-processor computer system only has two processes, both of which alternate $10$ $\text{ms}$ CPU bursts with $90$ $\text{ms}$ I/O bursts. Both the processes were created at nearly the same time. The I/O of both processes can proceed ... scheduling Static priority scheduling with different priorities for the two processes Round robin scheduling with a time quantum of $5$ $\text{ms}$

A uni-processor computer system only has two processes, both of which alternate $10$ $\text{ms}$ CPU bursts with $90$ $\text{ms}$ I/O bursts. Both the processes were created at nearly the same time. The I/O of both processes can proceed in ... first scheduling Static priority scheduling with different priorities for the two processes Round robin scheduling with a time quantum of $5$ $\text{ms}$

asked Sep 17, 2014 in Operating System Kathleen 6.8k views

37 votes

4 answers

22

GATE2003-76
Which of the following is NOT an advantage of using shared, dynamically linked libraries as opposed to using statistically linked libraries? Smaller sizes of executable files Lesser overall page fault rate in the system Faster program startup Existing programs need not be re-linked to take advantage of newer versions of libraries

Which of the following is NOT an advantage of using shared, dynamically linked libraries as opposed to using statistically linked libraries? Smaller sizes of executable files Lesser overall page fault rate in the system Faster program startup Existing programs need not be re-linked to take advantage of newer versions of libraries

asked Sep 17, 2014 in Compiler Design Kathleen 6.1k views

2 votes

3 answers

23

GATE2003-75
Consider the following class definitions in a hypothetical Object Oriented language that supports inheritance and uses dynamic binding. The language should not be assumed to be either Java or C++, though the syntax is similar. Class P { Class Q subclass of P { void f(int i) { void f ... y to P. The output produced by executing the above program fragment will be 1 2 1 2 1 1 2 1 2 2 2 2

Consider the following class definitions in a hypothetical Object Oriented language that supports inheritance and uses dynamic binding. The language should not be assumed to be either Java or C++, though the syntax is similar. Class P { Class Q subclass of P { void f(int i) { void f(int i ... of y to P. The output produced by executing the above program fragment will be 1 2 1 2 1 1 2 1 2 2 2 2

asked Sep 17, 2014 in Programming Kathleen 2k views

26 votes

5 answers

24

GATE2003-73
The following program fragment is written in a programming language that allows global variables and does not allow nested declarations of functions. global int i=100, j=5; void P(x) { int i=10; print(x+10); i=200; j=20; print (x); } main() {P(i+j);} If ... and call by need parameter passing mechanism, the values printed by the above program are: $115, 220$ $25, 220$ $25, 15$ $115, 105$

The following program fragment is written in a programming language that allows global variables and does not allow nested declarations of functions. global int i=100, j=5; void P(x) { int i=10; print(x+10); i=200; j=20; print (x); } main() {P(i+j);} If the ... and call by need parameter passing mechanism, the values printed by the above program are: $115, 220$ $25, 220$ $25, 15$ $115, 105$

asked Sep 17, 2014 in Programming Kathleen 3.4k views

32 votes

5 answers

25

GATE2003-72
The following resolution rule is used in logic programming. Derive clause $(P \vee Q)$ from clauses $(P\vee R),(Q \vee ¬R)$ Which of the following statements related to this rule is FALSE? $((P ∨ R)∧(Q ∨ ¬R))⇒(P ∨ Q)$ ... and only if $(P ∨ R)∧(Q ∨ ¬R)$ is satisfiable $(P ∨ Q)⇒ \text{FALSE}$ if and only if both $P$ and $Q$ are unsatisfiable

The following resolution rule is used in logic programming. Derive clause $(P \vee Q)$ from clauses $(P\vee R),(Q \vee ¬R)$ Which of the following statements related to this rule is FALSE? $((P ∨ R)∧(Q ∨ ¬R))⇒(P ∨ Q)$ is logically valid $(P ∨ Q)⇒((P ∨ R))∧(Q ∨ ¬R))$ ... if and only if $(P ∨ R)∧(Q ∨ ¬R)$ is satisfiable $(P ∨ Q)⇒ \text{FALSE}$ if and only if both $P$ and $Q$ are unsatisfiable

asked Sep 17, 2014 in Mathematical Logic Kathleen 4.3k views

4 votes

0 answers

26

GATE2003-71
Consider the following logic program P $\begin{align*} A(x) &\gets B(x,y), C(y) \\ &\gets B(x,x) \end{align*}$ ... $(\forall x) [(\forall y) [B(x,y) \land C(y)] \Rightarrow A(x)] \land (\exists x)[B(x,x)]$

Consider the following logic program P $\begin{align*} A(x) &\gets B(x,y), C(y) \\ &\gets B(x,x) \end{align*}$ Which of the following first order sentences is equivalent to P? $(\forall x) [(\exists y) [B(x,y) \land C(y)] \Rightarrow A(x)] \land \neg (\exists x)[B(x,x)]$ ... $(\forall x) [(\forall y) [B(x,y) \land C(y)] \Rightarrow A(x)] \land (\exists x)[B(x,x)]$

asked Sep 17, 2014 in Programming Kathleen 1.9k views

39 votes

4 answers

27

GATE2003-70
Let $G= (V,E)$ be a directed graph with $n$ vertices. A path from $v_i$ to $v_j$ in $G$ is a sequence of vertices ($v_{i},v_{i+1}, \dots , v_j$) such that $(v_k, v_{k+1}) \in E$ for all $k$ in $i$ through $j-1$. A simple path is a path in which no ... path length from $j$ to $k$ If there exists a path from $j$ to $k$, every simple path from $j$ to $k$ contains at most $A[j,k]$ edges

Let $G= (V,E)$ be a directed graph with $n$ vertices. A path from $v_i$ to $v_j$ in $G$ is a sequence of vertices ($v_{i},v_{i+1}, \dots , v_j$) such that $(v_k, v_{k+1}) \in E$ for all $k$ in $i$ through $j-1$. A simple path is a path in which no vertex ... longest path length from $j$ to $k$ If there exists a path from $j$ to $k$, every simple path from $j$ to $k$ contains at most $A[j,k]$ edges

asked Sep 17, 2014 in Algorithms Kathleen 6.2k views

35 votes

10 answers

28

GATE2003-69
The following are the starting and ending times of activities $A, B, C, D, E, F, G$ and $H$ ... in a room only if the room is reserved for the activity for its entire duration. What is the minimum number of rooms required? $3$ $4$ $5$ $6$

The following are the starting and ending times of activities $A, B, C, D, E, F, G$ and $H$ respectively in chronological order: $ a_s \: b_s \: c_s \: a_e \: d_s \: c_e \: e_s \: f_s \: b_e \: d_e \: g_s \: e_e \: f_e \: h_s \: g_e \: h_e $ ... scheduled in a room only if the room is reserved for the activity for its entire duration. What is the minimum number of rooms required? $3$ $4$ $5$ $6$

asked Sep 17, 2014 in Algorithms Kathleen 4.3k views

14 votes

2 answers

29

GATE2003-68
What is the weight of a minimum spanning tree of the following graph? $29$ $31$ $38$ $41$

What is the weight of a minimum spanning tree of the following graph? $29$ $31$ $38$ $41$

asked Sep 17, 2014 in Algorithms Kathleen 2.4k views

57 votes

4 answers

30

GATE2003-67
Let $G =(V,E)$ be an undirected graph with a subgraph $G_1 = (V_1, E_1)$. Weights are assigned to edges of $G$ as follows. $w(e) = \begin{cases} 0 \text{, if } e \in E_1 \\1 \text{, otherwise} \end{cases}$ A single-source shortest path algorithm is ... of edges in the shortest paths from $v_1$ to all vertices of $G$ $G_1$ is connected $V_1$ forms a clique in $G$ $G_1$ is a tree

Let $G =(V,E)$ be an undirected graph with a subgraph $G_1 = (V_1, E_1)$. Weights are assigned to edges of $G$ as follows. $w(e) = \begin{cases} 0 \text{, if } e \in E_1 \\1 \text{, otherwise} \end{cases}$ A single-source shortest path algorithm is executed on ... number of edges in the shortest paths from $v_1$ to all vertices of $G$ $G_1$ is connected $V_1$ forms a clique in $G$ $G_1$ is a tree

asked Sep 17, 2014 in Algorithms Kathleen 7.4k views

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