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1

What is Regular Grammar ?
What is Regular Grammar with an example?

answer edited in Compiler Design Jan 17, 2017

2.9k views

1 answer

2

ISRO-2013-78
Which of the following is not provided as a service in cloud computing? Infrastructure as a service Architecture as a service Software as a service Platform as a service

answer selected in Cloud Computing Jan 9, 2017

7.8k views

2 answers

3

general doubt
What topics we should study in network security in computer networks?? can someone please tell the topics clearly??

answered in Computer Networks Dec 1, 2016

1.4k views

2 answers

4

general doubt
Many questions in Gate IT has been asked about data communication part like serial communication, multiplexing etc in compuer networks. But are these things in syllabus of 2017?

answered in Computer Networks Dec 1, 2016

619 views

0 answers

5

C programming
The output of the following program is: int a=75; printf("%d%%",a); a) 75 b)75 % % c)75% d)none It is giving output as c) ...can anyone please explain why it is not giving output as b)

comment edited in Programming in C Nov 1, 2016

1.3k views

2 answers

6

structure
i have a doubt regarding this #include <stdio.h> typedef struct { char *a; char *b; } t; void f1 (t s); void f2 (t *p); main() { static t s = {"A", "B"}; printf ("%s %s\n", s.a, s.b); f1(s) ... we are replacing "A" to "v" so why there is no any problem loke above ?? code given above is from https://gateoverflow.in/3704/gate2004-it_61

answer edited in Programming in C Nov 1, 2016

428 views

2 answers

7

ME-Test series-Programming DS test
My Query is as it is passing by reference so a in M actually refer to location b.So a=a*a=169 will be updated as b.Then how can b be 13? Please anyone rectify me.

answer edited in Programming in C Nov 1, 2016

456 views

1 answer

8

Madeeasy Test Series
consider a complete binary tree 'T' with key of root node be 'P'. It is given that the left and right subtree of 'P' satisfies the min-heap property. What is the time taken to convert the given tree 'T' to max-heap? a. O(log n) b. O(n) c. O(nlog n) d. O(n2)

answer selected in Programming in C Oct 31, 2016

368 views

2 answers

9

Queue
A queue is a particular kind of abstract data type. Enqueue and Dequeue makes the queue FIFO data structure. There are several efficient implementations of FIFO queues. An efficient implementation is one which can perform the operations of enququeing and dequeueing in O(1) time. The best choice is : a] DLL c] SLL b] Dynamic Array d] any one of these

answer edited in Programming in C Oct 31, 2016

1.6k views

2 answers

10

Kerala PSC AP Exam
What will be the output of the following C program fragment? int n =1; switch(n) { case 1: printf("One"); case 2: printf("Two"); case 3: case 4: case 5: default: printf("Wrong Choice"); } A) One B) One Two Wrong Choice C) Two D) One Two

answer selected in Programming in C Oct 31, 2016

404 views

1 answer

11

DS\Hashing
Consider a hash table of size seven, with starting index zero, and a hash function (3x + 4) mod 7. Assuming the hash table is initially empty, which of the following is the contents of the table when the sequence 1, 3, 8, 10 is inserted into the table using closed hashing? Note that denotes an empty location in the ... 8, 10, -, -, -, 3 (C) 1, -, -, -, -, -, 3 (D) 1, 10, 8, -, -, -, 3

commented in DS Oct 9, 2016

2.6k views

4 answers

12

GATE CSE 2005 | Question: 5
A program $P$ reads in $500$ integers in the range $[0, 100]$ representing the scores of $500$ students. It then prints the frequency of each score above $50$. What would be the best way for $P$ to store the frequencies? An array of $50$ numbers An array of $100$ numbers An array of $500$ numbers A dynamically allocated array of $550$ numbers

commented in DS Oct 9, 2016

20.7k views

1 answer

13

answered in Programming in C Oct 9, 2016

713 views

4 answers

14

GATE IT 2006 | Question: 84
Consider a database with three relation instances shown below. The primary keys for the Drivers and Cars relation are did and cid respectively and the records are stored in ascending order of these primary keys as given in the tables. No indexing ... = C.cid and C.colour = 'green' ) Karthikeyan, Boris Sachin, Salman Karthikeyan, Boris, Sachin Schumacher, Senna

answered in Databases Oct 2, 2016

4.2k views

1 answer

15

commented in Programming in C Jul 13, 2016

998 views

1 answer

16

UGC NET CSE | June 2014 | Part 2 | Question: 18
Which of the following statement(s) is (are) not correct ? i. The $2$’s complement of $0$ is $0$. ii. In $2$’s complement, the left most bit cannot be used to express a quantity. iii. For an $n$-bit word ($2$’ ... ;s of positive numbers and $0$’s of the negative numbers. $i$ & $iv$ $i$ & $ii$ $iii$ $iv$

commented in Digital Logic Jul 8, 2016

3.9k views

1 answer

17

UGC NET CSE | June 2012 | Part 3 | Question: 54
What is the size (in terms of bits) of Header length field in IPV4 header? 2 4 8 16

answered in Computer Networks Jul 7, 2016

1.8k views

2 answers

18

UGC NET CSE | June 2012 | Part 3 | Question: 41
Which layer of OSI reference model uses the ICMP (Internet Control Message Protocol)? Transport layer Data link layer Network layer Application layer

answered in Computer Networks Jul 7, 2016

2.0k views

2 answers

19

Draw DFA
Plz somebody draw DFA for following regular expression: r=(1+10)*

edited in Theory of Computation Jul 7, 2016

764 views

2 answers

20

UGC NET CSE | June 2012 | Part 3 | Question: 38
The following postfix expression is evaluated using a stack. 823^/23*+51*- . The top two elements of the stack after first * is evaluated 6,1 5, 7 3,2 1, 5

answered in DS Jul 7, 2016

10.0k views

1 answer

21

UGC NET CSE | June 2012 | Part 3 | Question: 29
Which of the following IP address class is a multicast address? Class A Class B Class C Class D

answered in Computer Networks Jul 7, 2016

3.1k views

4 answers

22

UGC NET CSE | June 2007 | Part 2 | Question: 14
What is the output of the following $\text{’C’}$ program? main() { printf(“%x”,-1>>4); } $\text{ffff}$ $\text{0fff}$ $\text{0000}$ $\text{fff0}$

answer selected in Programming and DS Jul 7, 2016

3.1k views

1 answer

23

Printf
1:Where I find printf body in turbo c I know the prototype defined in stdio.h header file but body is not there? 2:why without include header file program successfully compiled and run?

answer selected in Programming in C Jul 7, 2016

280 views

3 answers

24

ISRO2014-38
How many lines of output does the following C code produce? #include<stdio.h> float i=2.0; float j=1.0; float sum = 0.0; main() { while (i/j > 0.001) { j+=j; sum=sum+(i/j); printf("%f\n", sum); } } 8 9 10 11

answer selected in Programming in C Jul 7, 2016

5.6k views

0 answers

25

what is the number of steps required to derive the string ((() ()) ()) for the folling grammar

closed in Programming in C Jul 6, 2016

401 views

1 answer

26

suitable ds to reverse a string of characters
Which of the following data structured is most efficient in terms of both space and time to reverse a string of characters? Linked list Stack Array Tree

answer selected in Programming in C Jul 6, 2016

375 views

2 answers

27

plz tell comparison between single linked list and double linked list in terms of insert/search/delete

answer selected in Programming in C Jul 6, 2016

431 views

9 answers

28

ISRO2014-3
What is the output of the following C program? #include<stdio.h> #define SQR(x) (x*x) int main() { int a; int b=4; a=SQR(b+2); printf("%d\n",a); return 0; } 14 36 18 20

answer selected in Programming in C Jul 6, 2016

8.1k views

3 answers

29

UGC NET CSE | June 2014 | Part 3 | Question: 11
Match the following with respect to the jump statements $:$ ... $\text{a-iv, b-iii, c-ii, d-i}$ $\text{a-iv, b-iii, c-i, d-ii}$

answered in Programming in C Jul 4, 2016

1.7k views

2 answers

30

ISRO2016-80
When a DNS server accepts and uses incorrect information from a host that has no authority giving that information, then it is called DNS lookup DNS hijacking DNS spoofing None of the mentioned

answer selected in Computer Networks Jul 4, 2016

6.4k views